| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals |
| ; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,TUNIT |
| ; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,CGSCC |
| |
| @g = global ptr null ; <ptr> [#uses=1] |
| |
| ;. |
| ; CHECK: @[[G:[a-zA-Z0-9_$"\\.-]+]] = global ptr null |
| ; CHECK: @[[LOOKUP_TABLE:[a-zA-Z0-9_$"\\.-]+]] = global [2 x i1] [i1 false, i1 true] |
| ; CHECK: @[[G2:[a-zA-Z0-9_$"\\.-]+]] = global ptr null |
| ; CHECK: @[[G3:[a-zA-Z0-9_$"\\.-]+]] = global ptr null |
| ;. |
| define ptr @c1(ptr %q) { |
| ; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) |
| ; CHECK-LABEL: define {{[^@]+}}@c1 |
| ; CHECK-SAME: (ptr nofree readnone returned "no-capture-maybe-returned" [[Q:%.*]]) #[[ATTR0:[0-9]+]] { |
| ; CHECK-NEXT: ret ptr [[Q]] |
| ; |
| ret ptr %q |
| } |
| |
| ; It would also be acceptable to mark %q as readnone. Update @c3 too. |
| define void @c2(ptr %q) { |
| ; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write) |
| ; CHECK-LABEL: define {{[^@]+}}@c2 |
| ; CHECK-SAME: (ptr nofree writeonly [[Q:%.*]]) #[[ATTR1:[0-9]+]] { |
| ; CHECK-NEXT: store ptr [[Q]], ptr @g, align 8 |
| ; CHECK-NEXT: ret void |
| ; |
| store ptr %q, ptr @g |
| ret void |
| } |
| |
| define void @c3(ptr %q) { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write) |
| ; TUNIT-LABEL: define {{[^@]+}}@c3 |
| ; TUNIT-SAME: (ptr nofree writeonly [[Q:%.*]]) #[[ATTR1]] { |
| ; TUNIT-NEXT: call void @c2(ptr nofree writeonly [[Q]]) #[[ATTR17:[0-9]+]] |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(write) |
| ; CGSCC-LABEL: define {{[^@]+}}@c3 |
| ; CGSCC-SAME: (ptr nofree writeonly [[Q:%.*]]) #[[ATTR2:[0-9]+]] { |
| ; CGSCC-NEXT: call void @c2(ptr nofree writeonly [[Q]]) #[[ATTR20:[0-9]+]] |
| ; CGSCC-NEXT: ret void |
| ; |
| call void @c2(ptr %q) |
| ret void |
| } |
| |
| define i1 @c4(ptr %q, i32 %bitno) { |
| ; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) |
| ; CHECK-LABEL: define {{[^@]+}}@c4 |
| ; CHECK-SAME: (ptr nofree readnone [[Q:%.*]], i32 [[BITNO:%.*]]) #[[ATTR0]] { |
| ; CHECK-NEXT: [[TMP:%.*]] = ptrtoint ptr [[Q]] to i32 |
| ; CHECK-NEXT: [[TRUETMP2:%.*]] = lshr i32 [[TMP]], [[BITNO]] |
| ; CHECK-NEXT: [[BIT:%.*]] = trunc i32 [[TRUETMP2]] to i1 |
| ; CHECK-NEXT: br i1 [[BIT]], label [[L1:%.*]], label [[L0:%.*]] |
| ; CHECK: l0: |
| ; CHECK-NEXT: ret i1 false |
| ; CHECK: l1: |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %tmp = ptrtoint ptr %q to i32 |
| %tmp2 = lshr i32 %tmp, %bitno |
| %bit = trunc i32 %tmp2 to i1 |
| br i1 %bit, label %l1, label %l0 |
| l0: |
| ret i1 0 ; escaping value not caught by def-use chaining. |
| l1: |
| ret i1 1 ; escaping value not caught by def-use chaining. |
| } |
| |
| ; c4b is c4 but without the escaping part |
| define i1 @c4b(ptr %q, i32 %bitno) { |
| ; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) |
| ; CHECK-LABEL: define {{[^@]+}}@c4b |
| ; CHECK-SAME: (ptr nocapture nofree readnone [[Q:%.*]], i32 [[BITNO:%.*]]) #[[ATTR0]] { |
| ; CHECK-NEXT: [[TMP:%.*]] = ptrtoint ptr [[Q]] to i32 |
| ; CHECK-NEXT: [[TRUETMP2:%.*]] = lshr i32 [[TMP]], [[BITNO]] |
| ; CHECK-NEXT: [[BIT:%.*]] = trunc i32 [[TRUETMP2]] to i1 |
| ; CHECK-NEXT: br i1 [[BIT]], label [[L1:%.*]], label [[L0:%.*]] |
| ; CHECK: l0: |
| ; CHECK-NEXT: ret i1 false |
| ; CHECK: l1: |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %tmp = ptrtoint ptr %q to i32 |
| %tmp2 = lshr i32 %tmp, %bitno |
| %bit = trunc i32 %tmp2 to i1 |
| br i1 %bit, label %l1, label %l0 |
| l0: |
| ret i1 0 ; not escaping! |
| l1: |
| ret i1 0 ; not escaping! |
| } |
| |
| @lookup_table = global [2 x i1] [ i1 0, i1 1 ] |
| |
| define i1 @c5(ptr %q, i32 %bitno) { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read) |
| ; TUNIT-LABEL: define {{[^@]+}}@c5 |
| ; TUNIT-SAME: (ptr nofree readonly [[Q:%.*]], i32 [[BITNO:%.*]]) #[[ATTR2:[0-9]+]] { |
| ; TUNIT-NEXT: [[TMP:%.*]] = ptrtoint ptr [[Q]] to i32 |
| ; TUNIT-NEXT: [[TRUETMP2:%.*]] = lshr i32 [[TMP]], [[BITNO]] |
| ; TUNIT-NEXT: [[BIT:%.*]] = and i32 [[TRUETMP2]], 1 |
| ; TUNIT-NEXT: [[LOOKUP:%.*]] = getelementptr [2 x i1], ptr @lookup_table, i32 0, i32 [[BIT]] |
| ; TUNIT-NEXT: [[VAL:%.*]] = load i1, ptr [[LOOKUP]], align 1 |
| ; TUNIT-NEXT: ret i1 [[VAL]] |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read) |
| ; CGSCC-LABEL: define {{[^@]+}}@c5 |
| ; CGSCC-SAME: (ptr nofree readonly [[Q:%.*]], i32 [[BITNO:%.*]]) #[[ATTR3:[0-9]+]] { |
| ; CGSCC-NEXT: [[TMP:%.*]] = ptrtoint ptr [[Q]] to i32 |
| ; CGSCC-NEXT: [[TRUETMP2:%.*]] = lshr i32 [[TMP]], [[BITNO]] |
| ; CGSCC-NEXT: [[BIT:%.*]] = and i32 [[TRUETMP2]], 1 |
| ; CGSCC-NEXT: [[LOOKUP:%.*]] = getelementptr [2 x i1], ptr @lookup_table, i32 0, i32 [[BIT]] |
| ; CGSCC-NEXT: [[VAL:%.*]] = load i1, ptr [[LOOKUP]], align 1 |
| ; CGSCC-NEXT: ret i1 [[VAL]] |
| ; |
| %tmp = ptrtoint ptr %q to i32 |
| %tmp2 = lshr i32 %tmp, %bitno |
| %bit = and i32 %tmp2, 1 |
| ; subtle escape mechanism follows |
| %lookup = getelementptr [2 x i1], ptr @lookup_table, i32 0, i32 %bit |
| %val = load i1, ptr %lookup |
| ret i1 %val |
| } |
| |
| declare void @throw_if_bit_set(ptr, i8) readonly |
| |
| define i1 @c6(ptr %q, i8 %bit) personality ptr @__gxx_personality_v0 { |
| ; TUNIT: Function Attrs: nosync memory(read) |
| ; TUNIT-LABEL: define {{[^@]+}}@c6 |
| ; TUNIT-SAME: (ptr readonly [[Q:%.*]], i8 [[BIT:%.*]]) #[[ATTR4:[0-9]+]] personality ptr @__gxx_personality_v0 { |
| ; TUNIT-NEXT: invoke void @throw_if_bit_set(ptr readonly [[Q]], i8 [[BIT]]) #[[ATTR4]] |
| ; TUNIT-NEXT: to label [[RET0:%.*]] unwind label [[RET1:%.*]] |
| ; TUNIT: ret0: |
| ; TUNIT-NEXT: ret i1 false |
| ; TUNIT: ret1: |
| ; TUNIT-NEXT: [[EXN:%.*]] = landingpad { ptr, i32 } |
| ; TUNIT-NEXT: cleanup |
| ; TUNIT-NEXT: ret i1 true |
| ; |
| ; CGSCC: Function Attrs: nosync memory(read) |
| ; CGSCC-LABEL: define {{[^@]+}}@c6 |
| ; CGSCC-SAME: (ptr readonly [[Q:%.*]], i8 [[BIT:%.*]]) #[[ATTR5:[0-9]+]] personality ptr @__gxx_personality_v0 { |
| ; CGSCC-NEXT: invoke void @throw_if_bit_set(ptr readonly [[Q]], i8 [[BIT]]) #[[ATTR5]] |
| ; CGSCC-NEXT: to label [[RET0:%.*]] unwind label [[RET1:%.*]] |
| ; CGSCC: ret0: |
| ; CGSCC-NEXT: ret i1 false |
| ; CGSCC: ret1: |
| ; CGSCC-NEXT: [[EXN:%.*]] = landingpad { ptr, i32 } |
| ; CGSCC-NEXT: cleanup |
| ; CGSCC-NEXT: ret i1 true |
| ; |
| invoke void @throw_if_bit_set(ptr %q, i8 %bit) |
| to label %ret0 unwind label %ret1 |
| ret0: |
| ret i1 0 |
| ret1: |
| %exn = landingpad {ptr, i32} |
| cleanup |
| ret i1 1 |
| } |
| |
| declare i32 @__gxx_personality_v0(...) |
| |
| define ptr @lookup_bit(ptr %q, i32 %bitno) readnone nounwind { |
| ; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) |
| ; CHECK-LABEL: define {{[^@]+}}@lookup_bit |
| ; CHECK-SAME: (ptr nofree readnone [[Q:%.*]], i32 [[BITNO:%.*]]) #[[ATTR0]] { |
| ; CHECK-NEXT: [[TMP:%.*]] = ptrtoint ptr [[Q]] to i32 |
| ; CHECK-NEXT: [[TRUETMP2:%.*]] = lshr i32 [[TMP]], [[BITNO]] |
| ; CHECK-NEXT: [[BIT:%.*]] = and i32 [[TRUETMP2]], 1 |
| ; CHECK-NEXT: [[LOOKUP:%.*]] = getelementptr [2 x i1], ptr @lookup_table, i32 0, i32 [[BIT]] |
| ; CHECK-NEXT: ret ptr [[LOOKUP]] |
| ; |
| %tmp = ptrtoint ptr %q to i32 |
| %tmp2 = lshr i32 %tmp, %bitno |
| %bit = and i32 %tmp2, 1 |
| %lookup = getelementptr [2 x i1], ptr @lookup_table, i32 0, i32 %bit |
| ret ptr %lookup |
| } |
| |
| define i1 @c7(ptr %q, i32 %bitno) { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read) |
| ; TUNIT-LABEL: define {{[^@]+}}@c7 |
| ; TUNIT-SAME: (ptr nofree readonly [[Q:%.*]], i32 [[BITNO:%.*]]) #[[ATTR2]] { |
| ; TUNIT-NEXT: [[PTR:%.*]] = call ptr @lookup_bit(ptr noalias nofree readnone [[Q]], i32 [[BITNO]]) #[[ATTR18:[0-9]+]] |
| ; TUNIT-NEXT: [[VAL:%.*]] = load i1, ptr [[PTR]], align 1 |
| ; TUNIT-NEXT: ret i1 [[VAL]] |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(read) |
| ; CGSCC-LABEL: define {{[^@]+}}@c7 |
| ; CGSCC-SAME: (ptr nofree readonly [[Q:%.*]], i32 [[BITNO:%.*]]) #[[ATTR6:[0-9]+]] { |
| ; CGSCC-NEXT: [[PTR:%.*]] = call ptr @lookup_bit(ptr noalias nofree readnone [[Q]], i32 [[BITNO]]) #[[ATTR21:[0-9]+]] |
| ; CGSCC-NEXT: [[VAL:%.*]] = load i1, ptr [[PTR]], align 1 |
| ; CGSCC-NEXT: ret i1 [[VAL]] |
| ; |
| %ptr = call ptr @lookup_bit(ptr %q, i32 %bitno) |
| %val = load i1, ptr %ptr |
| ret i1 %val |
| } |
| |
| |
| define i32 @nc1(ptr %q, ptr %p, i1 %b) { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn |
| ; TUNIT-LABEL: define {{[^@]+}}@nc1 |
| ; TUNIT-SAME: (ptr nofree [[Q:%.*]], ptr nocapture nofree [[P:%.*]], i1 [[B:%.*]]) #[[ATTR5:[0-9]+]] { |
| ; TUNIT-NEXT: e: |
| ; TUNIT-NEXT: br label [[L:%.*]] |
| ; TUNIT: l: |
| ; TUNIT-NEXT: [[X:%.*]] = phi ptr [ [[P]], [[E:%.*]] ] |
| ; TUNIT-NEXT: [[Y:%.*]] = phi ptr [ [[Q]], [[E]] ] |
| ; TUNIT-NEXT: [[TRUETMP2:%.*]] = select i1 [[B]], ptr [[P]], ptr [[Q]] |
| ; TUNIT-NEXT: [[VAL:%.*]] = load i32, ptr [[TRUETMP2]], align 4 |
| ; TUNIT-NEXT: store i32 0, ptr [[P]], align 4 |
| ; TUNIT-NEXT: store ptr [[Q]], ptr @g, align 8 |
| ; TUNIT-NEXT: ret i32 [[VAL]] |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn |
| ; CGSCC-LABEL: define {{[^@]+}}@nc1 |
| ; CGSCC-SAME: (ptr nofree [[Q:%.*]], ptr nocapture nofree [[P:%.*]], i1 [[B:%.*]]) #[[ATTR7:[0-9]+]] { |
| ; CGSCC-NEXT: e: |
| ; CGSCC-NEXT: br label [[L:%.*]] |
| ; CGSCC: l: |
| ; CGSCC-NEXT: [[X:%.*]] = phi ptr [ [[P]], [[E:%.*]] ] |
| ; CGSCC-NEXT: [[Y:%.*]] = phi ptr [ [[Q]], [[E]] ] |
| ; CGSCC-NEXT: [[TRUETMP2:%.*]] = select i1 [[B]], ptr [[P]], ptr [[Q]] |
| ; CGSCC-NEXT: [[VAL:%.*]] = load i32, ptr [[TRUETMP2]], align 4 |
| ; CGSCC-NEXT: store i32 0, ptr [[P]], align 4 |
| ; CGSCC-NEXT: store ptr [[Q]], ptr @g, align 8 |
| ; CGSCC-NEXT: ret i32 [[VAL]] |
| ; |
| e: |
| br label %l |
| l: |
| %x = phi ptr [ %p, %e ] |
| %y = phi ptr [ %q, %e ] |
| %tmp2 = select i1 %b, ptr %x, ptr %y |
| %val = load i32, ptr %tmp2 ; <i32> [#uses=1] |
| store i32 0, ptr %x |
| store ptr %y, ptr @g |
| ret i32 %val |
| } |
| |
| define i32 @nc1_addrspace(ptr %q, ptr addrspace(1) %p, i1 %b) { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn |
| ; TUNIT-LABEL: define {{[^@]+}}@nc1_addrspace |
| ; TUNIT-SAME: (ptr nofree [[Q:%.*]], ptr addrspace(1) nocapture nofree [[P:%.*]], i1 [[B:%.*]]) #[[ATTR5]] { |
| ; TUNIT-NEXT: e: |
| ; TUNIT-NEXT: br label [[L:%.*]] |
| ; TUNIT: l: |
| ; TUNIT-NEXT: [[X:%.*]] = phi ptr addrspace(1) [ [[P]], [[E:%.*]] ] |
| ; TUNIT-NEXT: [[Y:%.*]] = phi ptr [ [[Q]], [[E]] ] |
| ; TUNIT-NEXT: [[TMP:%.*]] = addrspacecast ptr addrspace(1) [[P]] to ptr |
| ; TUNIT-NEXT: [[TRUETMP2:%.*]] = select i1 [[B]], ptr [[TMP]], ptr [[Q]] |
| ; TUNIT-NEXT: [[VAL:%.*]] = load i32, ptr [[TRUETMP2]], align 4 |
| ; TUNIT-NEXT: store i32 0, ptr addrspace(1) [[P]], align 4 |
| ; TUNIT-NEXT: store ptr [[Q]], ptr @g, align 8 |
| ; TUNIT-NEXT: ret i32 [[VAL]] |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn |
| ; CGSCC-LABEL: define {{[^@]+}}@nc1_addrspace |
| ; CGSCC-SAME: (ptr nofree [[Q:%.*]], ptr addrspace(1) nocapture nofree [[P:%.*]], i1 [[B:%.*]]) #[[ATTR7]] { |
| ; CGSCC-NEXT: e: |
| ; CGSCC-NEXT: br label [[L:%.*]] |
| ; CGSCC: l: |
| ; CGSCC-NEXT: [[X:%.*]] = phi ptr addrspace(1) [ [[P]], [[E:%.*]] ] |
| ; CGSCC-NEXT: [[Y:%.*]] = phi ptr [ [[Q]], [[E]] ] |
| ; CGSCC-NEXT: [[TMP:%.*]] = addrspacecast ptr addrspace(1) [[P]] to ptr |
| ; CGSCC-NEXT: [[TRUETMP2:%.*]] = select i1 [[B]], ptr [[TMP]], ptr [[Q]] |
| ; CGSCC-NEXT: [[VAL:%.*]] = load i32, ptr [[TRUETMP2]], align 4 |
| ; CGSCC-NEXT: store i32 0, ptr addrspace(1) [[P]], align 4 |
| ; CGSCC-NEXT: store ptr [[Q]], ptr @g, align 8 |
| ; CGSCC-NEXT: ret i32 [[VAL]] |
| ; |
| e: |
| br label %l |
| l: |
| %x = phi ptr addrspace(1) [ %p, %e ] |
| %y = phi ptr [ %q, %e ] |
| %tmp = addrspacecast ptr addrspace(1) %x to ptr ; <ptr> [#uses=2] |
| %tmp2 = select i1 %b, ptr %tmp, ptr %y |
| %val = load i32, ptr %tmp2 ; <i32> [#uses=1] |
| store i32 0, ptr %tmp |
| store ptr %y, ptr @g |
| ret i32 %val |
| } |
| |
| define void @nc2(ptr %p, ptr %q) { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn |
| ; TUNIT-LABEL: define {{[^@]+}}@nc2 |
| ; TUNIT-SAME: (ptr nocapture nofree [[P:%.*]], ptr nofree [[Q:%.*]]) #[[ATTR5]] { |
| ; TUNIT-NEXT: [[TMP1:%.*]] = call i32 @nc1(ptr nofree [[Q]], ptr nocapture nofree [[P]], i1 noundef false) #[[ATTR19:[0-9]+]] |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn |
| ; CGSCC-LABEL: define {{[^@]+}}@nc2 |
| ; CGSCC-SAME: (ptr nocapture nofree align 4 [[P:%.*]], ptr nofree [[Q:%.*]]) #[[ATTR8:[0-9]+]] { |
| ; CGSCC-NEXT: [[TMP1:%.*]] = call i32 @nc1(ptr nofree [[Q]], ptr nocapture nofree align 4 [[P]], i1 noundef false) #[[ATTR22:[0-9]+]] |
| ; CGSCC-NEXT: ret void |
| ; |
| %1 = call i32 @nc1(ptr %q, ptr %p, i1 0) ; <i32> [#uses=0] |
| ret void |
| } |
| |
| |
| define void @nc3(ptr %p) { |
| ; CHECK-LABEL: define {{[^@]+}}@nc3 |
| ; CHECK-SAME: (ptr nocapture nofree noundef nonnull [[P:%.*]]) { |
| ; CHECK-NEXT: call void [[P]]() |
| ; CHECK-NEXT: ret void |
| ; |
| call void %p() |
| ret void |
| } |
| |
| ; The following test is tricky because improvements to AAIsDead can cause the call to be removed. |
| ; FIXME: readonly and nocapture missing on the pointer. |
| declare void @external(ptr readonly) nounwind argmemonly |
| define void @nc4(ptr %p) { |
| ; TUNIT: Function Attrs: nounwind memory(argmem: readwrite) |
| ; TUNIT-LABEL: define {{[^@]+}}@nc4 |
| ; TUNIT-SAME: (ptr nofree [[P:%.*]]) #[[ATTR6:[0-9]+]] { |
| ; TUNIT-NEXT: call void @external(ptr nofree readonly [[P]]) #[[ATTR20:[0-9]+]] |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: nounwind memory(argmem: readwrite) |
| ; CGSCC-LABEL: define {{[^@]+}}@nc4 |
| ; CGSCC-SAME: (ptr nofree [[P:%.*]]) #[[ATTR9:[0-9]+]] { |
| ; CGSCC-NEXT: call void @external(ptr nofree readonly [[P]]) #[[ATTR23:[0-9]+]] |
| ; CGSCC-NEXT: ret void |
| ; |
| call void @external(ptr %p) |
| ret void |
| } |
| |
| define void @nc5(ptr %f, ptr %p) { |
| ; CHECK-LABEL: define {{[^@]+}}@nc5 |
| ; CHECK-SAME: (ptr nocapture nofree noundef nonnull [[F:%.*]], ptr nocapture [[P:%.*]]) { |
| ; CHECK-NEXT: call void [[F]](ptr nocapture [[P]]) |
| ; CHECK-NEXT: ret void |
| ; |
| call void %f(ptr %p) readonly nounwind |
| call void %f(ptr nocapture %p) |
| ret void |
| } |
| |
| ; It would be acceptable to add readnone to %y1_1 and %y1_2. |
| define void @test1_1(ptr %x1_1, ptr %y1_1, i1 %c) { |
| ; TUNIT: Function Attrs: nofree nosync nounwind memory(write) |
| ; TUNIT-LABEL: define {{[^@]+}}@test1_1 |
| ; TUNIT-SAME: (ptr nocapture nofree readnone [[X1_1:%.*]], ptr nocapture nofree readnone [[Y1_1:%.*]], i1 [[C:%.*]]) #[[ATTR7:[0-9]+]] { |
| ; TUNIT-NEXT: [[TMP1:%.*]] = call ptr @test1_2(ptr noalias nocapture nofree readnone undef, ptr noalias nofree readnone "no-capture-maybe-returned" [[Y1_1]], i1 noundef [[C]]) #[[ATTR7]] |
| ; TUNIT-NEXT: store ptr null, ptr @g, align 8 |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: nofree nosync nounwind memory(write) |
| ; CGSCC-LABEL: define {{[^@]+}}@test1_1 |
| ; CGSCC-SAME: (ptr nocapture nofree readnone [[X1_1:%.*]], ptr nocapture nofree readnone [[Y1_1:%.*]], i1 [[C:%.*]]) #[[ATTR10:[0-9]+]] { |
| ; CGSCC-NEXT: [[TMP1:%.*]] = call ptr @test1_2(ptr noalias nocapture nofree readnone undef, ptr noalias nofree readnone "no-capture-maybe-returned" [[Y1_1]], i1 noundef [[C]]) #[[ATTR10]] |
| ; CGSCC-NEXT: store ptr null, ptr @g, align 8 |
| ; CGSCC-NEXT: ret void |
| ; |
| call ptr @test1_2(ptr %x1_1, ptr %y1_1, i1 %c) |
| store ptr null, ptr @g |
| ret void |
| } |
| |
| define ptr @test1_2(ptr %x1_2, ptr %y1_2, i1 %c) { |
| ; TUNIT: Function Attrs: nofree nosync nounwind memory(write) |
| ; TUNIT-LABEL: define {{[^@]+}}@test1_2 |
| ; TUNIT-SAME: (ptr nocapture nofree readnone [[X1_2:%.*]], ptr nofree readnone returned "no-capture-maybe-returned" [[Y1_2:%.*]], i1 noundef [[C:%.*]]) #[[ATTR7]] { |
| ; TUNIT-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]] |
| ; TUNIT: t: |
| ; TUNIT-NEXT: call void @test1_1(ptr noalias nocapture nofree readnone undef, ptr noalias nocapture nofree readnone [[Y1_2]], i1 noundef [[C]]) #[[ATTR7]] |
| ; TUNIT-NEXT: store ptr null, ptr @g, align 8 |
| ; TUNIT-NEXT: br label [[F]] |
| ; TUNIT: f: |
| ; TUNIT-NEXT: ret ptr [[Y1_2]] |
| ; |
| ; CGSCC: Function Attrs: nofree nosync nounwind memory(write) |
| ; CGSCC-LABEL: define {{[^@]+}}@test1_2 |
| ; CGSCC-SAME: (ptr nocapture nofree readnone [[X1_2:%.*]], ptr nofree readnone returned "no-capture-maybe-returned" [[Y1_2:%.*]], i1 noundef [[C:%.*]]) #[[ATTR10]] { |
| ; CGSCC-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]] |
| ; CGSCC: t: |
| ; CGSCC-NEXT: call void @test1_1(ptr noalias nocapture nofree readnone undef, ptr noalias nocapture nofree readnone [[Y1_2]], i1 noundef [[C]]) #[[ATTR10]] |
| ; CGSCC-NEXT: store ptr null, ptr @g, align 8 |
| ; CGSCC-NEXT: br label [[F]] |
| ; CGSCC: f: |
| ; CGSCC-NEXT: ret ptr [[Y1_2]] |
| ; |
| br i1 %c, label %t, label %f |
| t: |
| call void @test1_1(ptr %x1_2, ptr %y1_2, i1 %c) |
| store ptr null, ptr @g |
| br label %f |
| f: |
| ret ptr %y1_2 |
| } |
| |
| define void @test2(ptr %x2) { |
| ; TUNIT: Function Attrs: nofree nosync nounwind memory(write) |
| ; TUNIT-LABEL: define {{[^@]+}}@test2 |
| ; TUNIT-SAME: (ptr nocapture nofree readnone [[X2:%.*]]) #[[ATTR7]] { |
| ; TUNIT-NEXT: call void @test2(ptr noalias nocapture nofree readnone undef) #[[ATTR7]] |
| ; TUNIT-NEXT: store ptr null, ptr @g, align 8 |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: nofree nosync nounwind memory(write) |
| ; CGSCC-LABEL: define {{[^@]+}}@test2 |
| ; CGSCC-SAME: (ptr nocapture nofree readnone [[X2:%.*]]) #[[ATTR10]] { |
| ; CGSCC-NEXT: call void @test2(ptr noalias nocapture nofree readnone undef) #[[ATTR10]] |
| ; CGSCC-NEXT: store ptr null, ptr @g, align 8 |
| ; CGSCC-NEXT: ret void |
| ; |
| call void @test2(ptr %x2) |
| store ptr null, ptr @g |
| ret void |
| } |
| |
| define void @test3(ptr %x3, ptr %y3, ptr %z3) { |
| ; TUNIT: Function Attrs: nofree nosync nounwind memory(write) |
| ; TUNIT-LABEL: define {{[^@]+}}@test3 |
| ; TUNIT-SAME: (ptr nocapture nofree readnone [[X3:%.*]], ptr nocapture nofree readnone [[Y3:%.*]], ptr nocapture nofree readnone [[Z3:%.*]]) #[[ATTR7]] { |
| ; TUNIT-NEXT: call void @test3(ptr noalias nocapture nofree readnone undef, ptr noalias nocapture nofree readnone undef, ptr noalias nocapture nofree readnone undef) #[[ATTR7]] |
| ; TUNIT-NEXT: store ptr null, ptr @g, align 8 |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: nofree nosync nounwind memory(write) |
| ; CGSCC-LABEL: define {{[^@]+}}@test3 |
| ; CGSCC-SAME: (ptr nocapture nofree readnone [[X3:%.*]], ptr nocapture nofree readnone [[Y3:%.*]], ptr nocapture nofree readnone [[Z3:%.*]]) #[[ATTR10]] { |
| ; CGSCC-NEXT: call void @test3(ptr noalias nocapture nofree readnone undef, ptr noalias nocapture nofree readnone undef, ptr noalias nocapture nofree readnone undef) #[[ATTR10]] |
| ; CGSCC-NEXT: store ptr null, ptr @g, align 8 |
| ; CGSCC-NEXT: ret void |
| ; |
| call void @test3(ptr %z3, ptr %y3, ptr %x3) |
| store ptr null, ptr @g |
| ret void |
| } |
| |
| define void @test4_1(ptr %x4_1, i1 %c) { |
| ; TUNIT: Function Attrs: nofree nosync nounwind memory(write) |
| ; TUNIT-LABEL: define {{[^@]+}}@test4_1 |
| ; TUNIT-SAME: (ptr nocapture nofree readnone [[X4_1:%.*]], i1 [[C:%.*]]) #[[ATTR7]] { |
| ; TUNIT-NEXT: [[TMP1:%.*]] = call ptr @test4_2(ptr noalias nocapture nofree readnone undef, ptr noalias nofree readnone "no-capture-maybe-returned" [[X4_1]], ptr noalias nocapture nofree readnone undef, i1 noundef [[C]]) #[[ATTR7]] |
| ; TUNIT-NEXT: store ptr null, ptr @g, align 8 |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: nofree nosync nounwind memory(write) |
| ; CGSCC-LABEL: define {{[^@]+}}@test4_1 |
| ; CGSCC-SAME: (ptr nocapture nofree readnone [[X4_1:%.*]], i1 [[C:%.*]]) #[[ATTR10]] { |
| ; CGSCC-NEXT: [[TMP1:%.*]] = call ptr @test4_2(ptr noalias nocapture nofree readnone undef, ptr noalias nofree readnone "no-capture-maybe-returned" [[X4_1]], ptr noalias nocapture nofree readnone undef, i1 noundef [[C]]) #[[ATTR10]] |
| ; CGSCC-NEXT: store ptr null, ptr @g, align 8 |
| ; CGSCC-NEXT: ret void |
| ; |
| call ptr @test4_2(ptr %x4_1, ptr %x4_1, ptr %x4_1, i1 %c) |
| store ptr null, ptr @g |
| ret void |
| } |
| |
| define ptr @test4_2(ptr %x4_2, ptr %y4_2, ptr %z4_2, i1 %c) { |
| ; TUNIT: Function Attrs: nofree nosync nounwind memory(write) |
| ; TUNIT-LABEL: define {{[^@]+}}@test4_2 |
| ; TUNIT-SAME: (ptr nocapture nofree readnone [[X4_2:%.*]], ptr nofree readnone returned "no-capture-maybe-returned" [[Y4_2:%.*]], ptr nocapture nofree readnone [[Z4_2:%.*]], i1 noundef [[C:%.*]]) #[[ATTR7]] { |
| ; TUNIT-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]] |
| ; TUNIT: t: |
| ; TUNIT-NEXT: call void @test4_1(ptr nofree noundef readnone align 4294967296 null, i1 noundef [[C]]) #[[ATTR7]] |
| ; TUNIT-NEXT: store ptr null, ptr @g, align 8 |
| ; TUNIT-NEXT: br label [[F]] |
| ; TUNIT: f: |
| ; TUNIT-NEXT: ret ptr [[Y4_2]] |
| ; |
| ; CGSCC: Function Attrs: nofree nosync nounwind memory(write) |
| ; CGSCC-LABEL: define {{[^@]+}}@test4_2 |
| ; CGSCC-SAME: (ptr nocapture nofree readnone [[X4_2:%.*]], ptr nofree readnone returned "no-capture-maybe-returned" [[Y4_2:%.*]], ptr nocapture nofree readnone [[Z4_2:%.*]], i1 noundef [[C:%.*]]) #[[ATTR10]] { |
| ; CGSCC-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]] |
| ; CGSCC: t: |
| ; CGSCC-NEXT: call void @test4_1(ptr nofree noundef readnone align 4294967296 null, i1 noundef [[C]]) #[[ATTR10]] |
| ; CGSCC-NEXT: store ptr null, ptr @g, align 8 |
| ; CGSCC-NEXT: br label [[F]] |
| ; CGSCC: f: |
| ; CGSCC-NEXT: ret ptr [[Y4_2]] |
| ; |
| br i1 %c, label %t, label %f |
| t: |
| call void @test4_1(ptr null, i1 %c) |
| store ptr null, ptr @g |
| br label %f |
| f: |
| ret ptr %y4_2 |
| } |
| |
| declare ptr @test5_1(ptr %x5_1) |
| |
| define void @test5_2(ptr %x5_2) { |
| ; CHECK-LABEL: define {{[^@]+}}@test5_2 |
| ; CHECK-SAME: (ptr [[X5_2:%.*]]) { |
| ; CHECK-NEXT: [[TMP1:%.*]] = call ptr @test5_1(ptr [[X5_2]]) |
| ; CHECK-NEXT: store ptr null, ptr @g, align 8 |
| ; CHECK-NEXT: ret void |
| ; |
| call ptr @test5_1(ptr %x5_2) |
| store ptr null, ptr @g |
| ret void |
| } |
| |
| declare void @test6_1(ptr %x6_1, ptr nocapture %y6_1, ...) |
| |
| define void @test6_2(ptr %x6_2, ptr %y6_2, ptr %z6_2) { |
| ; CHECK-LABEL: define {{[^@]+}}@test6_2 |
| ; CHECK-SAME: (ptr [[X6_2:%.*]], ptr nocapture [[Y6_2:%.*]], ptr [[Z6_2:%.*]]) { |
| ; CHECK-NEXT: call void (ptr, ptr, ...) @test6_1(ptr [[X6_2]], ptr nocapture [[Y6_2]], ptr [[Z6_2]]) |
| ; CHECK-NEXT: store ptr null, ptr @g, align 8 |
| ; CHECK-NEXT: ret void |
| ; |
| call void (ptr, ptr, ...) @test6_1(ptr %x6_2, ptr %y6_2, ptr %z6_2) |
| store ptr null, ptr @g |
| ret void |
| } |
| |
| define void @test_cmpxchg(ptr %p) { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nounwind willreturn memory(argmem: readwrite) |
| ; TUNIT-LABEL: define {{[^@]+}}@test_cmpxchg |
| ; TUNIT-SAME: (ptr nocapture nofree noundef nonnull align 4 dereferenceable(4) [[P:%.*]]) #[[ATTR8:[0-9]+]] { |
| ; TUNIT-NEXT: [[TMP1:%.*]] = cmpxchg ptr [[P]], i32 0, i32 1 acquire monotonic, align 4 |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree norecurse nounwind willreturn memory(argmem: readwrite) |
| ; CGSCC-LABEL: define {{[^@]+}}@test_cmpxchg |
| ; CGSCC-SAME: (ptr nocapture nofree noundef nonnull align 4 dereferenceable(4) [[P:%.*]]) #[[ATTR11:[0-9]+]] { |
| ; CGSCC-NEXT: [[TMP1:%.*]] = cmpxchg ptr [[P]], i32 0, i32 1 acquire monotonic, align 4 |
| ; CGSCC-NEXT: ret void |
| ; |
| cmpxchg ptr %p, i32 0, i32 1 acquire monotonic |
| ret void |
| } |
| |
| define void @test_cmpxchg_ptr(ptr %p, ptr %q) { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nounwind willreturn memory(argmem: readwrite) |
| ; TUNIT-LABEL: define {{[^@]+}}@test_cmpxchg_ptr |
| ; TUNIT-SAME: (ptr nocapture nofree noundef nonnull align 8 dereferenceable(8) [[P:%.*]], ptr nofree [[Q:%.*]]) #[[ATTR8]] { |
| ; TUNIT-NEXT: [[TMP1:%.*]] = cmpxchg ptr [[P]], ptr null, ptr [[Q]] acquire monotonic, align 8 |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree norecurse nounwind willreturn memory(argmem: readwrite) |
| ; CGSCC-LABEL: define {{[^@]+}}@test_cmpxchg_ptr |
| ; CGSCC-SAME: (ptr nocapture nofree noundef nonnull align 8 dereferenceable(8) [[P:%.*]], ptr nofree [[Q:%.*]]) #[[ATTR11]] { |
| ; CGSCC-NEXT: [[TMP1:%.*]] = cmpxchg ptr [[P]], ptr null, ptr [[Q]] acquire monotonic, align 8 |
| ; CGSCC-NEXT: ret void |
| ; |
| cmpxchg ptr %p, ptr null, ptr %q acquire monotonic |
| ret void |
| } |
| |
| define void @test_atomicrmw(ptr %p) { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nounwind willreturn memory(argmem: readwrite) |
| ; TUNIT-LABEL: define {{[^@]+}}@test_atomicrmw |
| ; TUNIT-SAME: (ptr nocapture nofree noundef nonnull align 4 dereferenceable(4) [[P:%.*]]) #[[ATTR8]] { |
| ; TUNIT-NEXT: [[TMP1:%.*]] = atomicrmw add ptr [[P]], i32 1 seq_cst, align 4 |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree norecurse nounwind willreturn memory(argmem: readwrite) |
| ; CGSCC-LABEL: define {{[^@]+}}@test_atomicrmw |
| ; CGSCC-SAME: (ptr nocapture nofree noundef nonnull align 4 dereferenceable(4) [[P:%.*]]) #[[ATTR11]] { |
| ; CGSCC-NEXT: [[TMP1:%.*]] = atomicrmw add ptr [[P]], i32 1 seq_cst, align 4 |
| ; CGSCC-NEXT: ret void |
| ; |
| atomicrmw add ptr %p, i32 1 seq_cst |
| ret void |
| } |
| |
| define void @test_volatile(ptr %x) { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nounwind willreturn memory(argmem: readwrite) |
| ; TUNIT-LABEL: define {{[^@]+}}@test_volatile |
| ; TUNIT-SAME: (ptr nofree align 4 [[X:%.*]]) #[[ATTR8]] { |
| ; TUNIT-NEXT: entry: |
| ; TUNIT-NEXT: [[GEP:%.*]] = getelementptr i32, ptr [[X]], i64 1 |
| ; TUNIT-NEXT: store volatile i32 0, ptr [[GEP]], align 4 |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree norecurse nounwind willreturn memory(argmem: readwrite) |
| ; CGSCC-LABEL: define {{[^@]+}}@test_volatile |
| ; CGSCC-SAME: (ptr nofree align 4 [[X:%.*]]) #[[ATTR11]] { |
| ; CGSCC-NEXT: entry: |
| ; CGSCC-NEXT: [[GEP:%.*]] = getelementptr i32, ptr [[X]], i64 1 |
| ; CGSCC-NEXT: store volatile i32 0, ptr [[GEP]], align 4 |
| ; CGSCC-NEXT: ret void |
| ; |
| entry: |
| %gep = getelementptr i32, ptr %x, i64 1 |
| store volatile i32 0, ptr %gep, align 4 |
| ret void |
| } |
| |
| define void @nocaptureLaunder(ptr %p) { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite, inaccessiblemem: readwrite) |
| ; TUNIT-LABEL: define {{[^@]+}}@nocaptureLaunder |
| ; TUNIT-SAME: (ptr nocapture nofree [[P:%.*]]) #[[ATTR9:[0-9]+]] { |
| ; TUNIT-NEXT: entry: |
| ; TUNIT-NEXT: [[B:%.*]] = call ptr @llvm.launder.invariant.group.p0(ptr nofree [[P]]) #[[ATTR21:[0-9]+]] |
| ; TUNIT-NEXT: store i8 42, ptr [[B]], align 1 |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite, inaccessiblemem: readwrite) |
| ; CGSCC-LABEL: define {{[^@]+}}@nocaptureLaunder |
| ; CGSCC-SAME: (ptr nocapture nofree [[P:%.*]]) #[[ATTR12:[0-9]+]] { |
| ; CGSCC-NEXT: entry: |
| ; CGSCC-NEXT: [[B:%.*]] = call ptr @llvm.launder.invariant.group.p0(ptr nofree [[P]]) #[[ATTR24:[0-9]+]] |
| ; CGSCC-NEXT: store i8 42, ptr [[B]], align 1 |
| ; CGSCC-NEXT: ret void |
| ; |
| entry: |
| %b = call ptr @llvm.launder.invariant.group.p0(ptr %p) |
| store i8 42, ptr %b |
| ret void |
| } |
| |
| @g2 = global ptr null |
| define void @captureLaunder(ptr %p) { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn |
| ; TUNIT-LABEL: define {{[^@]+}}@captureLaunder |
| ; TUNIT-SAME: (ptr nofree [[P:%.*]]) #[[ATTR5]] { |
| ; TUNIT-NEXT: [[B:%.*]] = call ptr @llvm.launder.invariant.group.p0(ptr nofree [[P]]) #[[ATTR21]] |
| ; TUNIT-NEXT: store ptr [[B]], ptr @g2, align 8 |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn |
| ; CGSCC-LABEL: define {{[^@]+}}@captureLaunder |
| ; CGSCC-SAME: (ptr nofree [[P:%.*]]) #[[ATTR7]] { |
| ; CGSCC-NEXT: [[B:%.*]] = call ptr @llvm.launder.invariant.group.p0(ptr nofree [[P]]) #[[ATTR24]] |
| ; CGSCC-NEXT: store ptr [[B]], ptr @g2, align 8 |
| ; CGSCC-NEXT: ret void |
| ; |
| %b = call ptr @llvm.launder.invariant.group.p0(ptr %p) |
| store ptr %b, ptr @g2 |
| ret void |
| } |
| |
| define void @nocaptureStrip(ptr %p) { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) |
| ; TUNIT-LABEL: define {{[^@]+}}@nocaptureStrip |
| ; TUNIT-SAME: (ptr nocapture nofree writeonly [[P:%.*]]) #[[ATTR10:[0-9]+]] { |
| ; TUNIT-NEXT: entry: |
| ; TUNIT-NEXT: [[B:%.*]] = call ptr @llvm.strip.invariant.group.p0(ptr noalias nofree readnone [[P]]) #[[ATTR22:[0-9]+]] |
| ; TUNIT-NEXT: store i8 42, ptr [[B]], align 1 |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) |
| ; CGSCC-LABEL: define {{[^@]+}}@nocaptureStrip |
| ; CGSCC-SAME: (ptr nocapture nofree writeonly [[P:%.*]]) #[[ATTR13:[0-9]+]] { |
| ; CGSCC-NEXT: entry: |
| ; CGSCC-NEXT: [[B:%.*]] = call ptr @llvm.strip.invariant.group.p0(ptr noalias nofree readnone [[P]]) #[[ATTR21]] |
| ; CGSCC-NEXT: store i8 42, ptr [[B]], align 1 |
| ; CGSCC-NEXT: ret void |
| ; |
| entry: |
| %b = call ptr @llvm.strip.invariant.group.p0(ptr %p) |
| store i8 42, ptr %b |
| ret void |
| } |
| |
| @g3 = global ptr null |
| define void @captureStrip(ptr %p) { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write) |
| ; TUNIT-LABEL: define {{[^@]+}}@captureStrip |
| ; TUNIT-SAME: (ptr nofree writeonly [[P:%.*]]) #[[ATTR1]] { |
| ; TUNIT-NEXT: [[B:%.*]] = call ptr @llvm.strip.invariant.group.p0(ptr noalias nofree readnone [[P]]) #[[ATTR22]] |
| ; TUNIT-NEXT: store ptr [[B]], ptr @g3, align 8 |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write) |
| ; CGSCC-LABEL: define {{[^@]+}}@captureStrip |
| ; CGSCC-SAME: (ptr nofree writeonly [[P:%.*]]) #[[ATTR1]] { |
| ; CGSCC-NEXT: [[B:%.*]] = call ptr @llvm.strip.invariant.group.p0(ptr noalias nofree readnone [[P]]) #[[ATTR21]] |
| ; CGSCC-NEXT: store ptr [[B]], ptr @g3, align 8 |
| ; CGSCC-NEXT: ret void |
| ; |
| %b = call ptr @llvm.strip.invariant.group.p0(ptr %p) |
| store ptr %b, ptr @g3 |
| ret void |
| } |
| |
| define i1 @captureICmp(ptr %x) { |
| ; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) |
| ; CHECK-LABEL: define {{[^@]+}}@captureICmp |
| ; CHECK-SAME: (ptr nofree readnone [[X:%.*]]) #[[ATTR0]] { |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq ptr [[X]], null |
| ; CHECK-NEXT: ret i1 [[TMP1]] |
| ; |
| %1 = icmp eq ptr %x, null |
| ret i1 %1 |
| } |
| |
| define i1 @captureICmpRev(ptr %x) { |
| ; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) |
| ; CHECK-LABEL: define {{[^@]+}}@captureICmpRev |
| ; CHECK-SAME: (ptr nofree readnone [[X:%.*]]) #[[ATTR0]] { |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq ptr null, [[X]] |
| ; CHECK-NEXT: ret i1 [[TMP1]] |
| ; |
| %1 = icmp eq ptr null, %x |
| ret i1 %1 |
| } |
| |
| define i1 @nocaptureInboundsGEPICmp(ptr %x) { |
| ; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) |
| ; CHECK-LABEL: define {{[^@]+}}@nocaptureInboundsGEPICmp |
| ; CHECK-SAME: (ptr nocapture nofree readnone [[X:%.*]]) #[[ATTR0]] { |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %1 = getelementptr inbounds i32, ptr %x, i32 5 |
| %2 = icmp eq ptr %1, null |
| ret i1 %2 |
| } |
| |
| define i1 @nocaptureInboundsGEPICmpRev(ptr %x) { |
| ; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) |
| ; CHECK-LABEL: define {{[^@]+}}@nocaptureInboundsGEPICmpRev |
| ; CHECK-SAME: (ptr nocapture nofree readnone [[X:%.*]]) #[[ATTR0]] { |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %1 = getelementptr inbounds i32, ptr %x, i32 5 |
| %2 = icmp ne ptr null, %1 |
| ret i1 %2 |
| } |
| |
| define i1 @nocaptureDereferenceableOrNullICmp(ptr dereferenceable_or_null(4) %x) { |
| ; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) |
| ; CHECK-LABEL: define {{[^@]+}}@nocaptureDereferenceableOrNullICmp |
| ; CHECK-SAME: (ptr nocapture nofree noundef readnone dereferenceable_or_null(4) [[X:%.*]]) #[[ATTR0]] { |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq ptr [[X]], null |
| ; CHECK-NEXT: ret i1 [[TMP1]] |
| ; |
| %1 = icmp eq ptr %x, null |
| ret i1 %1 |
| } |
| |
| define i1 @captureDereferenceableOrNullICmp(ptr dereferenceable_or_null(4) %x) null_pointer_is_valid { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind null_pointer_is_valid willreturn memory(none) |
| ; TUNIT-LABEL: define {{[^@]+}}@captureDereferenceableOrNullICmp |
| ; TUNIT-SAME: (ptr nofree noundef readnone dereferenceable_or_null(4) [[X:%.*]]) #[[ATTR11:[0-9]+]] { |
| ; TUNIT-NEXT: [[TMP1:%.*]] = icmp eq ptr [[X]], null |
| ; TUNIT-NEXT: ret i1 [[TMP1]] |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind null_pointer_is_valid willreturn memory(none) |
| ; CGSCC-LABEL: define {{[^@]+}}@captureDereferenceableOrNullICmp |
| ; CGSCC-SAME: (ptr nofree noundef readnone dereferenceable_or_null(4) [[X:%.*]]) #[[ATTR14:[0-9]+]] { |
| ; CGSCC-NEXT: [[TMP1:%.*]] = icmp eq ptr [[X]], null |
| ; CGSCC-NEXT: ret i1 [[TMP1]] |
| ; |
| %1 = icmp eq ptr %x, null |
| ret i1 %1 |
| } |
| |
| declare void @unknown(ptr) |
| ; We know that 'null' in AS 0 does not alias anything and cannot be captured. Though the latter is not qurried -> derived atm. |
| define void @test_callsite() { |
| ; CHECK-LABEL: define {{[^@]+}}@test_callsite() { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: call void @unknown(ptr noundef align 4294967296 null) |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| call void @unknown(ptr null) |
| ret void |
| } |
| |
| declare ptr @unknownpi8pi8(ptr,ptr returned) |
| define ptr @test_returned1(ptr %A, ptr returned %B) nounwind readonly { |
| ; TUNIT: Function Attrs: nosync nounwind memory(read) |
| ; TUNIT-LABEL: define {{[^@]+}}@test_returned1 |
| ; TUNIT-SAME: (ptr nocapture [[A:%.*]], ptr returned [[B:%.*]]) #[[ATTR12:[0-9]+]] { |
| ; TUNIT-NEXT: entry: |
| ; TUNIT-NEXT: [[P:%.*]] = call ptr @unknownpi8pi8(ptr [[A]], ptr [[B]]) |
| ; TUNIT-NEXT: ret ptr [[P]] |
| ; |
| ; CGSCC: Function Attrs: nosync nounwind memory(read) |
| ; CGSCC-LABEL: define {{[^@]+}}@test_returned1 |
| ; CGSCC-SAME: (ptr nocapture [[A:%.*]], ptr returned [[B:%.*]]) #[[ATTR15:[0-9]+]] { |
| ; CGSCC-NEXT: entry: |
| ; CGSCC-NEXT: [[P:%.*]] = call ptr @unknownpi8pi8(ptr [[A]], ptr [[B]]) |
| ; CGSCC-NEXT: ret ptr [[P]] |
| ; |
| entry: |
| %p = call ptr @unknownpi8pi8(ptr %A, ptr %B) |
| ret ptr %p |
| } |
| |
| define ptr @test_returned2(ptr %A, ptr %B) { |
| ; TUNIT: Function Attrs: nosync nounwind memory(read) |
| ; TUNIT-LABEL: define {{[^@]+}}@test_returned2 |
| ; TUNIT-SAME: (ptr readonly [[A:%.*]], ptr readonly [[B:%.*]]) #[[ATTR12]] { |
| ; TUNIT-NEXT: entry: |
| ; TUNIT-NEXT: [[P:%.*]] = call ptr @unknownpi8pi8(ptr readonly [[A]], ptr readonly [[B]]) #[[ATTR12]] |
| ; TUNIT-NEXT: ret ptr [[P]] |
| ; |
| ; CGSCC: Function Attrs: nosync nounwind memory(read) |
| ; CGSCC-LABEL: define {{[^@]+}}@test_returned2 |
| ; CGSCC-SAME: (ptr readonly [[A:%.*]], ptr readonly [[B:%.*]]) #[[ATTR15]] { |
| ; CGSCC-NEXT: entry: |
| ; CGSCC-NEXT: [[P:%.*]] = call ptr @unknownpi8pi8(ptr readonly [[A]], ptr readonly [[B]]) #[[ATTR15]] |
| ; CGSCC-NEXT: ret ptr [[P]] |
| ; |
| entry: |
| %p = call ptr @unknownpi8pi8(ptr %A, ptr %B) nounwind readonly |
| ret ptr %p |
| } |
| |
| declare ptr @maybe_returned_ptr(ptr readonly %ptr) readonly nounwind willreturn |
| declare i8 @maybe_returned_val(ptr %ptr) readonly nounwind willreturn |
| declare void @val_use(i8 %ptr) readonly nounwind willreturn |
| |
| ; FIXME: Both pointers should be nocapture |
| define void @ptr_uses(ptr %ptr, ptr %wptr) { |
| ; TUNIT: Function Attrs: mustprogress nosync nounwind willreturn |
| ; TUNIT-LABEL: define {{[^@]+}}@ptr_uses |
| ; TUNIT-SAME: (ptr nofree [[PTR:%.*]], ptr nocapture nofree noundef nonnull writeonly dereferenceable(1) [[WPTR:%.*]]) #[[ATTR14:[0-9]+]] { |
| ; TUNIT-NEXT: store i8 0, ptr [[WPTR]], align 1 |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: mustprogress nosync nounwind willreturn |
| ; CGSCC-LABEL: define {{[^@]+}}@ptr_uses |
| ; CGSCC-SAME: (ptr nofree [[PTR:%.*]], ptr nocapture nofree noundef nonnull writeonly dereferenceable(1) [[WPTR:%.*]]) #[[ATTR17:[0-9]+]] { |
| ; CGSCC-NEXT: store i8 0, ptr [[WPTR]], align 1 |
| ; CGSCC-NEXT: ret void |
| ; |
| %call_ptr = call ptr @maybe_returned_ptr(ptr %ptr) |
| %call_val = call i8 @maybe_returned_val(ptr %call_ptr) |
| call void @val_use(i8 %call_val) |
| store i8 0, ptr %wptr |
| ret void |
| } |
| |
| declare ptr @llvm.launder.invariant.group.p0(ptr) |
| declare ptr @llvm.strip.invariant.group.p0(ptr) |
| ;. |
| ; TUNIT: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) } |
| ; TUNIT: attributes #[[ATTR1]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(write) } |
| ; TUNIT: attributes #[[ATTR2]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(read) } |
| ; TUNIT: attributes #[[ATTR3:[0-9]+]] = { memory(read) } |
| ; TUNIT: attributes #[[ATTR4]] = { nosync memory(read) } |
| ; TUNIT: attributes #[[ATTR5]] = { mustprogress nofree norecurse nosync nounwind willreturn } |
| ; TUNIT: attributes #[[ATTR6]] = { nounwind memory(argmem: readwrite) } |
| ; TUNIT: attributes #[[ATTR7]] = { nofree nosync nounwind memory(write) } |
| ; TUNIT: attributes #[[ATTR8]] = { mustprogress nofree norecurse nounwind willreturn memory(argmem: readwrite) } |
| ; TUNIT: attributes #[[ATTR9]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite, inaccessiblemem: readwrite) } |
| ; TUNIT: attributes #[[ATTR10]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) } |
| ; TUNIT: attributes #[[ATTR11]] = { mustprogress nofree norecurse nosync nounwind null_pointer_is_valid willreturn memory(none) } |
| ; TUNIT: attributes #[[ATTR12]] = { nosync nounwind memory(read) } |
| ; TUNIT: attributes #[[ATTR13:[0-9]+]] = { nounwind willreturn memory(read) } |
| ; TUNIT: attributes #[[ATTR14]] = { mustprogress nosync nounwind willreturn } |
| ; TUNIT: attributes #[[ATTR15:[0-9]+]] = { nocallback nofree nosync nounwind speculatable willreturn memory(inaccessiblemem: readwrite) } |
| ; TUNIT: attributes #[[ATTR16:[0-9]+]] = { nocallback nofree nosync nounwind speculatable willreturn memory(none) } |
| ; TUNIT: attributes #[[ATTR17]] = { nofree nosync nounwind willreturn memory(write) } |
| ; TUNIT: attributes #[[ATTR18]] = { nofree nosync nounwind willreturn memory(none) } |
| ; TUNIT: attributes #[[ATTR19]] = { nofree nosync nounwind willreturn } |
| ; TUNIT: attributes #[[ATTR20]] = { nounwind } |
| ; TUNIT: attributes #[[ATTR21]] = { nofree willreturn } |
| ; TUNIT: attributes #[[ATTR22]] = { nofree nosync willreturn } |
| ;. |
| ; CGSCC: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) } |
| ; CGSCC: attributes #[[ATTR1]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(write) } |
| ; CGSCC: attributes #[[ATTR2]] = { mustprogress nofree nosync nounwind willreturn memory(write) } |
| ; CGSCC: attributes #[[ATTR3]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(read) } |
| ; CGSCC: attributes #[[ATTR4:[0-9]+]] = { memory(read) } |
| ; CGSCC: attributes #[[ATTR5]] = { nosync memory(read) } |
| ; CGSCC: attributes #[[ATTR6]] = { mustprogress nofree nosync nounwind willreturn memory(read) } |
| ; CGSCC: attributes #[[ATTR7]] = { mustprogress nofree norecurse nosync nounwind willreturn } |
| ; CGSCC: attributes #[[ATTR8]] = { mustprogress nofree nosync nounwind willreturn } |
| ; CGSCC: attributes #[[ATTR9]] = { nounwind memory(argmem: readwrite) } |
| ; CGSCC: attributes #[[ATTR10]] = { nofree nosync nounwind memory(write) } |
| ; CGSCC: attributes #[[ATTR11]] = { mustprogress nofree norecurse nounwind willreturn memory(argmem: readwrite) } |
| ; CGSCC: attributes #[[ATTR12]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite, inaccessiblemem: readwrite) } |
| ; CGSCC: attributes #[[ATTR13]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) } |
| ; CGSCC: attributes #[[ATTR14]] = { mustprogress nofree norecurse nosync nounwind null_pointer_is_valid willreturn memory(none) } |
| ; CGSCC: attributes #[[ATTR15]] = { nosync nounwind memory(read) } |
| ; CGSCC: attributes #[[ATTR16:[0-9]+]] = { nounwind willreturn memory(read) } |
| ; CGSCC: attributes #[[ATTR17]] = { mustprogress nosync nounwind willreturn } |
| ; CGSCC: attributes #[[ATTR18:[0-9]+]] = { nocallback nofree nosync nounwind speculatable willreturn memory(inaccessiblemem: readwrite) } |
| ; CGSCC: attributes #[[ATTR19:[0-9]+]] = { nocallback nofree nosync nounwind speculatable willreturn memory(none) } |
| ; CGSCC: attributes #[[ATTR20]] = { nofree nounwind willreturn memory(write) } |
| ; CGSCC: attributes #[[ATTR21]] = { nofree nosync willreturn } |
| ; CGSCC: attributes #[[ATTR22]] = { nofree nounwind willreturn } |
| ; CGSCC: attributes #[[ATTR23]] = { nounwind } |
| ; CGSCC: attributes #[[ATTR24]] = { nofree willreturn } |
| ;. |
