|  | ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | 
|  | ; RUN: llc -verify-machineinstrs -O3 -restrict-statepoint-remat < %s | FileCheck %s | 
|  | target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" | 
|  | target triple = "x86_64-apple-macosx10.11.0" | 
|  |  | 
|  | declare void @bar() #0 | 
|  | declare void @baz() | 
|  |  | 
|  | define void @test1(i32 %a) gc "statepoint-example" { | 
|  | ; CHECK-LABEL: test1: | 
|  | ; CHECK:       ## %bb.0: ## %entry | 
|  | ; CHECK-NEXT:    pushq %rax | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 16 | 
|  | ; CHECK-NEXT:    callq _bar | 
|  | ; CHECK-NEXT:  Ltmp0: | 
|  | ; CHECK-NEXT:    popq %rax | 
|  | ; CHECK-NEXT:    retq | 
|  | entry: | 
|  | ; We expect the argument to be passed in an extra register to bar | 
|  | %statepoint_token1 = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @bar, i32 0, i32 2, i32 0, i32 0) ["deopt"(i32 %a)] | 
|  | ret void | 
|  | } | 
|  |  | 
|  | define void @test2(i32 %a, i32 %b) gc "statepoint-example" { | 
|  | ; CHECK-LABEL: test2: | 
|  | ; CHECK:       ## %bb.0: ## %entry | 
|  | ; CHECK-NEXT:    pushq %rbp | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 16 | 
|  | ; CHECK-NEXT:    pushq %rbx | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 24 | 
|  | ; CHECK-NEXT:    pushq %rax | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 32 | 
|  | ; CHECK-NEXT:    .cfi_offset %rbx, -24 | 
|  | ; CHECK-NEXT:    .cfi_offset %rbp, -16 | 
|  | ; CHECK-NEXT:    movl %esi, %ebx | 
|  | ; CHECK-NEXT:    movl %edi, %ebp | 
|  | ; CHECK-NEXT:    callq _bar | 
|  | ; CHECK-NEXT:  Ltmp1: | 
|  | ; CHECK-NEXT:    callq _bar | 
|  | ; CHECK-NEXT:  Ltmp2: | 
|  | ; CHECK-NEXT:    addq $8, %rsp | 
|  | ; CHECK-NEXT:    popq %rbx | 
|  | ; CHECK-NEXT:    popq %rbp | 
|  | ; CHECK-NEXT:    retq | 
|  | entry: | 
|  | ; Because the first call clobbers esi, we have to move the values into | 
|  | ; new registers.  Note that they stay in the registers for both calls. | 
|  | call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @bar, i32 0, i32 2, i32 0, i32 0) ["deopt"(i32 %a, i32 %b)] | 
|  | call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @bar, i32 0, i32 2, i32 0, i32 0) ["deopt"(i32 %b, i32 %a)] | 
|  | ret void | 
|  | } | 
|  |  | 
|  | define void @test3(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i32 %h, i32 %i) gc "statepoint-example" { | 
|  | ; CHECK-LABEL: test3: | 
|  | ; CHECK:       ## %bb.0: ## %entry | 
|  | ; CHECK-NEXT:    pushq %rax | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 16 | 
|  | ; CHECK-NEXT:    callq _bar | 
|  | ; CHECK-NEXT:  Ltmp3: | 
|  | ; CHECK-NEXT:    popq %rax | 
|  | ; CHECK-NEXT:    retq | 
|  | entry: | 
|  | ; We directly reference the argument slot | 
|  | %statepoint_token1 = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @bar, i32 0, i32 2, i32 0, i32 0) ["deopt"(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i32 %h, i32 %i)] | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; This case just confirms that we don't crash when given more live values | 
|  | ; than registers.  This is a case where we *have* to use a stack slot.  This | 
|  | ; also ends up being a good test of whether we can fold loads from immutable | 
|  | ; stack slots into the statepoint. | 
|  | define void @test4(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i32 %h, i32 %i, i32 %j, i32 %k, i32 %l, i32 %m, i32 %n, i32 %o, i32 %p, i32 %q, i32 %r, i32 %s, i32 %t, i32 %u, i32 %v, i32 %w, i32 %x, i32 %y, i32 %z) gc "statepoint-example" { | 
|  | ; CHECK-LABEL: test4: | 
|  | ; CHECK:       ## %bb.0: ## %entry | 
|  | ; CHECK-NEXT:    pushq %rax | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 16 | 
|  | ; CHECK-NEXT:    callq _bar | 
|  | ; CHECK-NEXT:  Ltmp4: | 
|  | ; CHECK-NEXT:    popq %rax | 
|  | ; CHECK-NEXT:    retq | 
|  | entry: | 
|  | %statepoint_token1 = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @bar, i32 0, i32 2, i32 0, i32 0) ["deopt"(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i32 %h, i32 %i, i32 %j, i32 %k, i32 %l, i32 %m, i32 %n, i32 %o, i32 %p, i32 %q, i32 %r, i32 %s, i32 %t, i32 %u, i32 %v, i32 %w, i32 %x, i32 %y, i32 %z)] | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; A live-through gc-value must be spilled even if it is also a live-in deopt | 
|  | ; value.  For live-in, we could technically report the register copy, but from | 
|  | ; a code quality perspective it's better to reuse the required stack slot so | 
|  | ; as to put less stress on the register allocator for no benefit. | 
|  | define  ptr addrspace(1) @test5(i32 %a, ptr addrspace(1) %p) gc "statepoint-example" { | 
|  | ; CHECK-LABEL: test5: | 
|  | ; CHECK:       ## %bb.0: ## %entry | 
|  | ; CHECK-NEXT:    pushq %rax | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 16 | 
|  | ; CHECK-NEXT:    movq %rsi, (%rsp) | 
|  | ; CHECK-NEXT:    callq _bar | 
|  | ; CHECK-NEXT:  Ltmp5: | 
|  | ; CHECK-NEXT:    movq (%rsp), %rax | 
|  | ; CHECK-NEXT:    popq %rcx | 
|  | ; CHECK-NEXT:    retq | 
|  | entry: | 
|  | %token = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @bar, i32 0, i32 2, i32 0, i32 0) ["gc-live"(ptr addrspace(1) %p), "deopt"(i32 %a)] | 
|  | %p2 = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %token,  i32 0, i32 0) | 
|  | ret ptr addrspace(1) %p2 | 
|  | } | 
|  |  | 
|  | ; Show the interaction of live-through spilling followed by live-in. | 
|  | define void @test6(i32 %a) gc "statepoint-example" { | 
|  | ; CHECK-LABEL: test6: | 
|  | ; CHECK:       ## %bb.0: ## %entry | 
|  | ; CHECK-NEXT:    pushq %rbx | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 16 | 
|  | ; CHECK-NEXT:    subq $16, %rsp | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 32 | 
|  | ; CHECK-NEXT:    .cfi_offset %rbx, -16 | 
|  | ; CHECK-NEXT:    movl %edi, %ebx | 
|  | ; CHECK-NEXT:    movl %edi, {{[0-9]+}}(%rsp) | 
|  | ; CHECK-NEXT:    callq _baz | 
|  | ; CHECK-NEXT:  Ltmp6: | 
|  | ; CHECK-NEXT:    callq _bar | 
|  | ; CHECK-NEXT:  Ltmp7: | 
|  | ; CHECK-NEXT:    addq $16, %rsp | 
|  | ; CHECK-NEXT:    popq %rbx | 
|  | ; CHECK-NEXT:    retq | 
|  | entry: | 
|  | call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @baz, i32 0, i32 0, i32 0, i32 0) ["deopt"(i32 %a)] | 
|  | call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @bar, i32 0, i32 2, i32 0, i32 0) ["deopt"(i32 %a)] | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; A variant of test6 where values are not directly foldable from stack slots. | 
|  | ; This stresses our rematerialization handling. | 
|  | define void @test7(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i32 %h, i32 %i, i32 %j, i32 %k, i32 %l, i32 %m, i32 %n, i32 %o, i32 %p, i32 %q, i32 %r, i32 %s, i32 %t, i32 %u, i32 %v, i32 %w, i32 %x, i32 %y, i32 %z) gc "statepoint-example" { | 
|  | ; The code for this is terrible, check simply for correctness for the moment | 
|  | ; CHECK-LABEL: test7: | 
|  | ; CHECK:       ## %bb.0: ## %entry | 
|  | ; CHECK-NEXT:    pushq %rbp | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 16 | 
|  | ; CHECK-NEXT:    pushq %r15 | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 24 | 
|  | ; CHECK-NEXT:    pushq %r14 | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 32 | 
|  | ; CHECK-NEXT:    pushq %r13 | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 40 | 
|  | ; CHECK-NEXT:    pushq %r12 | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 48 | 
|  | ; CHECK-NEXT:    pushq %rbx | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 56 | 
|  | ; CHECK-NEXT:    subq $88, %rsp | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 144 | 
|  | ; CHECK-NEXT:    .cfi_offset %rbx, -56 | 
|  | ; CHECK-NEXT:    .cfi_offset %r12, -48 | 
|  | ; CHECK-NEXT:    .cfi_offset %r13, -40 | 
|  | ; CHECK-NEXT:    .cfi_offset %r14, -32 | 
|  | ; CHECK-NEXT:    .cfi_offset %r15, -24 | 
|  | ; CHECK-NEXT:    .cfi_offset %rbp, -16 | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl %edi, %edi | 
|  | ; CHECK-NEXT:    movl %esi, %esi | 
|  | ; CHECK-NEXT:    movl %edx, %edx | 
|  | ; CHECK-NEXT:    movl %ecx, %ecx | 
|  | ; CHECK-NEXT:    movl %r8d, %r8d | 
|  | ; CHECK-NEXT:    movl %r9d, %r9d | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, (%rsp) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %ebp | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %r13d | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %r12d | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %r15d | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %r14d | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %ebx | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %r11d | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %r10d | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    callq _bar ## 88-byte Folded Reload | 
|  | ; CHECK-NEXT:  Ltmp8: | 
|  | ; CHECK-NEXT:    addq $88, %rsp | 
|  | ; CHECK-NEXT:    popq %rbx | 
|  | ; CHECK-NEXT:    popq %r12 | 
|  | ; CHECK-NEXT:    popq %r13 | 
|  | ; CHECK-NEXT:    popq %r14 | 
|  | ; CHECK-NEXT:    popq %r15 | 
|  | ; CHECK-NEXT:    popq %rbp | 
|  | ; CHECK-NEXT:    retq | 
|  | entry: | 
|  | %a64 = zext i32 %a to i64 | 
|  | %b64 = zext i32 %b to i64 | 
|  | %c64 = zext i32 %c to i64 | 
|  | %d64 = zext i32 %d to i64 | 
|  | %e64 = zext i32 %e to i64 | 
|  | %f64 = zext i32 %f to i64 | 
|  | %g64 = zext i32 %g to i64 | 
|  | %h64 = zext i32 %h to i64 | 
|  | %i64 = zext i32 %i to i64 | 
|  | %j64 = zext i32 %j to i64 | 
|  | %k64 = zext i32 %k to i64 | 
|  | %l64 = zext i32 %l to i64 | 
|  | %m64 = zext i32 %m to i64 | 
|  | %n64 = zext i32 %n to i64 | 
|  | %o64 = zext i32 %o to i64 | 
|  | %p64 = zext i32 %p to i64 | 
|  | %q64 = zext i32 %q to i64 | 
|  | %r64 = zext i32 %r to i64 | 
|  | %s64 = zext i32 %s to i64 | 
|  | %t64 = zext i32 %t to i64 | 
|  | %u64 = zext i32 %u to i64 | 
|  | %v64 = zext i32 %v to i64 | 
|  | %w64 = zext i32 %w to i64 | 
|  | %x64 = zext i32 %x to i64 | 
|  | %y64 = zext i32 %y to i64 | 
|  | %z64 = zext i32 %z to i64 | 
|  | %statepoint_token1 = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @bar, i32 0, i32 2, i32 0, i32 0) ["deopt"(i64 %a64, i64 %b64, i64 %c64, i64 %d64, i64 %e64, i64 %f64, i64 %g64, i64 %h64, i64 %i64, i64 %j64, i64 %k64, i64 %l64, i64 %m64, i64 %n64, i64 %o64, i64 %p64, i64 %q64, i64 %r64, i64 %s64, i64 %t64, i64 %u64, i64 %v64, i64 %w64, i64 %x64, i64 %y64, i64 %z64)] | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; a variant of test7 with mixed types chosen to exercise register aliases | 
|  | define void @test8(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i32 %h, i32 %i, i32 %j, i32 %k, i32 %l, i32 %m, i32 %n, i32 %o, i32 %p, i32 %q, i32 %r, i32 %s, i32 %t, i32 %u, i32 %v, i32 %w, i32 %x, i32 %y, i32 %z) gc "statepoint-example" { | 
|  | ; The code for this is terrible, check simply for correctness for the moment | 
|  | ; CHECK-LABEL: test8: | 
|  | ; CHECK:       ## %bb.0: ## %entry | 
|  | ; CHECK-NEXT:    pushq %rbp | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 16 | 
|  | ; CHECK-NEXT:    pushq %r15 | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 24 | 
|  | ; CHECK-NEXT:    pushq %r14 | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 32 | 
|  | ; CHECK-NEXT:    pushq %r13 | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 40 | 
|  | ; CHECK-NEXT:    pushq %r12 | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 48 | 
|  | ; CHECK-NEXT:    pushq %rbx | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 56 | 
|  | ; CHECK-NEXT:    subq $72, %rsp | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 128 | 
|  | ; CHECK-NEXT:    .cfi_offset %rbx, -56 | 
|  | ; CHECK-NEXT:    .cfi_offset %r12, -48 | 
|  | ; CHECK-NEXT:    .cfi_offset %r13, -40 | 
|  | ; CHECK-NEXT:    .cfi_offset %r14, -32 | 
|  | ; CHECK-NEXT:    .cfi_offset %r15, -24 | 
|  | ; CHECK-NEXT:    .cfi_offset %rbp, -16 | 
|  | ; CHECK-NEXT:    movl %r9d, %r10d | 
|  | ; CHECK-NEXT:    movl %r8d, %r9d | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, (%rsp) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %ebp | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %r13d | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %r12d | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %r15d | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %r14d | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %ebx | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %r11d | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %r8d | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    callq _bar ## 72-byte Folded Reload | 
|  | ; CHECK-NEXT:  Ltmp9: | 
|  | ; CHECK-NEXT:    addq $72, %rsp | 
|  | ; CHECK-NEXT:    popq %rbx | 
|  | ; CHECK-NEXT:    popq %r12 | 
|  | ; CHECK-NEXT:    popq %r13 | 
|  | ; CHECK-NEXT:    popq %r14 | 
|  | ; CHECK-NEXT:    popq %r15 | 
|  | ; CHECK-NEXT:    popq %rbp | 
|  | ; CHECK-NEXT:    retq | 
|  | entry: | 
|  | %a8 = trunc i32 %a to i8 | 
|  | %b8 = trunc i32 %b to i8 | 
|  | %c8 = trunc i32 %c to i8 | 
|  | %d8 = trunc i32 %d to i8 | 
|  | %e16 = trunc i32 %e to i16 | 
|  | %f16 = trunc i32 %f to i16 | 
|  | %g16 = trunc i32 %g to i16 | 
|  | %h16 = trunc i32 %h to i16 | 
|  | %i64 = zext i32 %i to i64 | 
|  | %j64 = zext i32 %j to i64 | 
|  | %k64 = zext i32 %k to i64 | 
|  | %l64 = zext i32 %l to i64 | 
|  | %m64 = zext i32 %m to i64 | 
|  | %n64 = zext i32 %n to i64 | 
|  | %o64 = zext i32 %o to i64 | 
|  | %p64 = zext i32 %p to i64 | 
|  | %q64 = zext i32 %q to i64 | 
|  | %r64 = zext i32 %r to i64 | 
|  | %s64 = zext i32 %s to i64 | 
|  | %t64 = zext i32 %t to i64 | 
|  | %u64 = zext i32 %u to i64 | 
|  | %v64 = zext i32 %v to i64 | 
|  | %w64 = zext i32 %w to i64 | 
|  | %x64 = zext i32 %x to i64 | 
|  | %y64 = zext i32 %y to i64 | 
|  | %z64 = zext i32 %z to i64 | 
|  | %statepoint_token1 = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @bar, i32 0, i32 2, i32 0, i32 0) ["deopt"(i8 %a8, i8 %b8, i8 %c8, i8 %d8, i16 %e16, i16 %f16, i16 %g16, i16 %h16, i64 %i64, i64 %j64, i64 %k64, i64 %l64, i64 %m64, i64 %n64, i64 %o64, i64 %p64, i64 %q64, i64 %r64, i64 %s64, i64 %t64, i64 %u64, i64 %v64, i64 %w64, i64 %x64, i64 %y64, i64 %z64)] | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; Test perfect forwarding of argument registers and stack slots to the | 
|  | ; deopt bundle uses | 
|  | define void @test9(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i32 %h, i32 %i, i32 %j, i32 %k, i32 %l, i32 %m, i32 %n, i32 %o, i32 %p, i32 %q, i32 %r, i32 %s, i32 %t, i32 %u, i32 %v, i32 %w, i32 %x, i32 %y, i32 %z) gc "statepoint-example" { | 
|  | ; CHECK-LABEL: test9: | 
|  | ; CHECK:       ## %bb.0: ## %entry | 
|  | ; CHECK-NEXT:    pushq %rax | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 16 | 
|  | ; CHECK-NEXT:    callq _bar | 
|  | ; CHECK-NEXT:  Ltmp10: | 
|  | ; CHECK-NEXT:    popq %rax | 
|  | ; CHECK-NEXT:    retq | 
|  |  | 
|  | entry: | 
|  | %statepoint_token1 = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @bar, i32 0, i32 2, i32 0, i32 0) ["deopt"(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i32 %h, i32 %i, i32 %j, i32 %k, i32 %l, i32 %m, i32 %n, i32 %o, i32 %p, i32 %q, i32 %r, i32 %s, i32 %t, i32 %u, i32 %v, i32 %w, i32 %x, i32 %y, i32 %z)] | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; Test enough folding of argument slots when we have one call which clobbers | 
|  | ; registers before a second which needs them - i.e. we must do something with | 
|  | ; arguments originally passed in registers | 
|  | define void @test10(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i32 %h, i32 %i, i32 %j, i32 %k, i32 %l, i32 %m, i32 %n, i32 %o, i32 %p, i32 %q, i32 %r, i32 %s, i32 %t, i32 %u, i32 %v, i32 %w, i32 %x, i32 %y, i32 %z) gc "statepoint-example" { | 
|  | ; FIXME (minor): It would be better to just spill (and fold reload) for | 
|  | ; argument registers then spill and fill all the CSRs. | 
|  | ; CHECK-LABEL: test10: | 
|  | ; CHECK:       ## %bb.0: ## %entry | 
|  | ; CHECK-NEXT:    pushq %rbp | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 16 | 
|  | ; CHECK-NEXT:    pushq %r15 | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 24 | 
|  | ; CHECK-NEXT:    pushq %r14 | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 32 | 
|  | ; CHECK-NEXT:    pushq %r13 | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 40 | 
|  | ; CHECK-NEXT:    pushq %r12 | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 48 | 
|  | ; CHECK-NEXT:    pushq %rbx | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 56 | 
|  | ; CHECK-NEXT:    pushq %rax | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 64 | 
|  | ; CHECK-NEXT:    .cfi_offset %rbx, -56 | 
|  | ; CHECK-NEXT:    .cfi_offset %r12, -48 | 
|  | ; CHECK-NEXT:    .cfi_offset %r13, -40 | 
|  | ; CHECK-NEXT:    .cfi_offset %r14, -32 | 
|  | ; CHECK-NEXT:    .cfi_offset %r15, -24 | 
|  | ; CHECK-NEXT:    .cfi_offset %rbp, -16 | 
|  | ; CHECK-NEXT:    movl %r9d, %ebp | 
|  | ; CHECK-NEXT:    movl %r8d, %ebx | 
|  | ; CHECK-NEXT:    movl %ecx, %r14d | 
|  | ; CHECK-NEXT:    movl %edx, %r15d | 
|  | ; CHECK-NEXT:    movl %esi, %r12d | 
|  | ; CHECK-NEXT:    movl %edi, %r13d | 
|  | ; CHECK-NEXT:    callq _bar | 
|  | ; CHECK-NEXT:  Ltmp11: | 
|  | ; CHECK-NEXT:    callq _bar | 
|  | ; CHECK-NEXT:  Ltmp12: | 
|  | ; CHECK-NEXT:    addq $8, %rsp | 
|  | ; CHECK-NEXT:    popq %rbx | 
|  | ; CHECK-NEXT:    popq %r12 | 
|  | ; CHECK-NEXT:    popq %r13 | 
|  | ; CHECK-NEXT:    popq %r14 | 
|  | ; CHECK-NEXT:    popq %r15 | 
|  | ; CHECK-NEXT:    popq %rbp | 
|  | ; CHECK-NEXT:    retq | 
|  |  | 
|  | entry: | 
|  | %statepoint_token1 = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @bar, i32 0, i32 2, i32 0, i32 0) ["deopt"(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i32 %h, i32 %i, i32 %j, i32 %k, i32 %l, i32 %m, i32 %n, i32 %o, i32 %p, i32 %q, i32 %r, i32 %s, i32 %t, i32 %u, i32 %v, i32 %w, i32 %x, i32 %y, i32 %z)] | 
|  | %statepoint_token2 = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @bar, i32 0, i32 2, i32 0, i32 0) ["deopt"(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i32 %h, i32 %i, i32 %j, i32 %k, i32 %l, i32 %m, i32 %n, i32 %o, i32 %p, i32 %q, i32 %r, i32 %s, i32 %t, i32 %u, i32 %v, i32 %w, i32 %x, i32 %y, i32 %z)] | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; Check that we can remat some uses of a def despite not remating before the | 
|  | ; statepoint user. | 
|  | define i64 @test11(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i32 %h, i32 %i, i32 %j, i32 %k, i32 %l, i32 %m, i32 %n, i32 %o, i32 %p, i32 %q, i32 %r, i32 %s, i32 %t, i32 %u, i32 %v, i32 %w, i32 %x, i32 %y, i32 %z) gc "statepoint-example" { | 
|  | ; FIXME: The codegen for this is correct, but horrible.  Lots of room for | 
|  | ; improvement if we so desire. | 
|  | ; CHECK-LABEL: test11: | 
|  | ; CHECK:       ## %bb.0: ## %entry | 
|  | ; CHECK-NEXT:    pushq %rbp | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 16 | 
|  | ; CHECK-NEXT:    pushq %r15 | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 24 | 
|  | ; CHECK-NEXT:    pushq %r14 | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 32 | 
|  | ; CHECK-NEXT:    pushq %r13 | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 40 | 
|  | ; CHECK-NEXT:    pushq %r12 | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 48 | 
|  | ; CHECK-NEXT:    pushq %rbx | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 56 | 
|  | ; CHECK-NEXT:    subq $168, %rsp | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 224 | 
|  | ; CHECK-NEXT:    .cfi_offset %rbx, -56 | 
|  | ; CHECK-NEXT:    .cfi_offset %r12, -48 | 
|  | ; CHECK-NEXT:    .cfi_offset %r13, -40 | 
|  | ; CHECK-NEXT:    .cfi_offset %r14, -32 | 
|  | ; CHECK-NEXT:    .cfi_offset %r15, -24 | 
|  | ; CHECK-NEXT:    .cfi_offset %rbp, -16 | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl %edi, %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl %esi, %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl %edx, %r14d | 
|  | ; CHECK-NEXT:    movl %ecx, %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl %r8d, %r15d | 
|  | ; CHECK-NEXT:    movl %r9d, %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %r13d | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %ebp | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %r12d | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %ebx | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill | 
|  | ; CHECK-NEXT:    callq _bar ## 160-byte Folded Reload | 
|  | ; CHECK-NEXT:  Ltmp13: | 
|  | ; CHECK-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rax ## 8-byte Reload | 
|  | ; CHECK-NEXT:    addq {{[-0-9]+}}(%r{{[sb]}}p), %rax ## 8-byte Folded Reload | 
|  | ; CHECK-NEXT:    addq {{[-0-9]+}}(%r{{[sb]}}p), %r14 ## 8-byte Folded Reload | 
|  | ; CHECK-NEXT:    addq %rax, %r14 | 
|  | ; CHECK-NEXT:    addq {{[-0-9]+}}(%r{{[sb]}}p), %r15 ## 8-byte Folded Reload | 
|  | ; CHECK-NEXT:    addq %r14, %r15 | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    addq %rax, %r15 | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    addq %rax, %rbx | 
|  | ; CHECK-NEXT:    addq %r15, %rbx | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    addq %rax, %r12 | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    addq %rax, %r12 | 
|  | ; CHECK-NEXT:    addq %rbx, %r12 | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    addq %rax, %rbp | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    addq %rax, %rbp | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    addq %rax, %rbp | 
|  | ; CHECK-NEXT:    addq %r12, %rbp | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    addq %rax, %r13 | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    addq %rax, %r13 | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    addq %rax, %r13 | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    addq %rax, %r13 | 
|  | ; CHECK-NEXT:    addq %rbp, %r13 | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %ecx | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    addq %rax, %rcx | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    addq %rax, %rcx | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    addq %rax, %rcx | 
|  | ; CHECK-NEXT:    movl {{[0-9]+}}(%rsp), %eax | 
|  | ; CHECK-NEXT:    addq %rax, %rcx | 
|  | ; CHECK-NEXT:    addq %r13, %rcx | 
|  | ; CHECK-NEXT:    movq %rcx, %rax | 
|  | ; CHECK-NEXT:    addq $168, %rsp | 
|  | ; CHECK-NEXT:    popq %rbx | 
|  | ; CHECK-NEXT:    popq %r12 | 
|  | ; CHECK-NEXT:    popq %r13 | 
|  | ; CHECK-NEXT:    popq %r14 | 
|  | ; CHECK-NEXT:    popq %r15 | 
|  | ; CHECK-NEXT:    popq %rbp | 
|  | ; CHECK-NEXT:    retq | 
|  |  | 
|  | entry: | 
|  | %a64 = zext i32 %a to i64 | 
|  | %b64 = zext i32 %b to i64 | 
|  | %c64 = zext i32 %c to i64 | 
|  | %d64 = zext i32 %d to i64 | 
|  | %e64 = zext i32 %e to i64 | 
|  | %f64 = zext i32 %f to i64 | 
|  | %g64 = zext i32 %g to i64 | 
|  | %h64 = zext i32 %h to i64 | 
|  | %i64 = zext i32 %i to i64 | 
|  | %j64 = zext i32 %j to i64 | 
|  | %k64 = zext i32 %k to i64 | 
|  | %l64 = zext i32 %l to i64 | 
|  | %m64 = zext i32 %m to i64 | 
|  | %n64 = zext i32 %n to i64 | 
|  | %o64 = zext i32 %o to i64 | 
|  | %p64 = zext i32 %p to i64 | 
|  | %q64 = zext i32 %q to i64 | 
|  | %r64 = zext i32 %r to i64 | 
|  | %s64 = zext i32 %s to i64 | 
|  | %t64 = zext i32 %t to i64 | 
|  | %u64 = zext i32 %u to i64 | 
|  | %v64 = zext i32 %v to i64 | 
|  | %w64 = zext i32 %w to i64 | 
|  | %x64 = zext i32 %x to i64 | 
|  | %y64 = zext i32 %y to i64 | 
|  | %z64 = zext i32 %z to i64 | 
|  | call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @bar, i32 0, i32 2, i64 0, i64 0) ["deopt"(i64 %a64, i64 %b64, i64 %c64, i64 %d64, i64 %e64, i64 %f64, i64 %g64, i64 %h64, i64 %i64, i64 %j64, i64 %k64, i64 %l64, i64 %m64, i64 %n64, i64 %o64, i64 %p64, i64 %q64, i64 %r64, i64 %s64, i64 %t64, i64 %u64, i64 %v64, i64 %w64, i64 %x64, i64 %y64, i64 %z64)] | 
|  | %addab = add i64 %a64, %b64 | 
|  | %addc = add i64 %addab, %c64 | 
|  | %addd = add i64 %addc, %d64 | 
|  | %adde = add i64 %addd, %e64 | 
|  | %addf = add i64 %adde, %f64 | 
|  | %addg = add i64 %addf, %g64 | 
|  | %addh = add i64 %addg, %h64 | 
|  | %addi = add i64 %addh, %i64 | 
|  | %addj = add i64 %addi, %j64 | 
|  | %addk = add i64 %addj, %k64 | 
|  | %addl = add i64 %addk, %l64 | 
|  | %addm = add i64 %addl, %m64 | 
|  | %addn = add i64 %addm, %n64 | 
|  | %addo = add i64 %addn, %o64 | 
|  | %addp = add i64 %addo, %p64 | 
|  | %addq = add i64 %addp, %q64 | 
|  | %addr = add i64 %addq, %r64 | 
|  | %adds = add i64 %addr, %s64 | 
|  | %addt = add i64 %adds, %t64 | 
|  | %addu = add i64 %addt, %u64 | 
|  | %addv = add i64 %addu, %v64 | 
|  | %addw = add i64 %addv, %w64 | 
|  | %addx = add i64 %addw, %x64 | 
|  | %addy = add i64 %addx, %y64 | 
|  | %addz = add i64 %addy, %z64 | 
|  | ret i64 %addz | 
|  | } | 
|  |  | 
|  | ; Demonstrate address of a function (w/o spilling) | 
|  | define void @addr_func() gc "statepoint-example" { | 
|  | ; CHECK-LABEL: addr_func: | 
|  | ; CHECK:       ## %bb.0: ## %entry | 
|  | ; CHECK-NEXT:    pushq %rax | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 16 | 
|  | ; CHECK-NEXT:    movq _bar@GOTPCREL(%rip), %rax | 
|  | ; CHECK-NEXT:    callq _bar | 
|  | ; CHECK-NEXT:  Ltmp14: | 
|  | ; CHECK-NEXT:    popq %rax | 
|  | ; CHECK-NEXT:    retq | 
|  | entry: | 
|  | %statepoint_token1 = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @bar, i32 0, i32 2, i64 0, i64 0) ["deopt"(ptr @bar, ptr @bar, ptr @bar)] | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; Demonstrate address of a global (w/o spilling) | 
|  | @G = external global i32 | 
|  | define void @addr_global() gc "statepoint-example" { | 
|  | ; CHECK-LABEL: addr_global: | 
|  | ; CHECK:       ## %bb.0: ## %entry | 
|  | ; CHECK-NEXT:    pushq %rax | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 16 | 
|  | ; CHECK-NEXT:    movq _G@GOTPCREL(%rip), %rax | 
|  | ; CHECK-NEXT:    callq _bar | 
|  | ; CHECK-NEXT:  Ltmp15: | 
|  | ; CHECK-NEXT:    popq %rax | 
|  | ; CHECK-NEXT:    retq | 
|  | entry: | 
|  | %statepoint_token1 = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @bar, i32 0, i32 2, i64 0, i64 0) ["deopt"(ptr @G, ptr @G, ptr @G)] | 
|  | ret void | 
|  | } | 
|  |  | 
|  | define void @addr_alloca(i32 %v) gc "statepoint-example" { | 
|  | ; CHECK-LABEL: addr_alloca: | 
|  | ; CHECK:       ## %bb.0: ## %entry | 
|  | ; CHECK-NEXT:    pushq %rax | 
|  | ; CHECK-NEXT:    .cfi_def_cfa_offset 16 | 
|  | ; CHECK-NEXT:    movl %edi, {{[0-9]+}}(%rsp) | 
|  | ; CHECK-NEXT:    callq _bar | 
|  | ; CHECK-NEXT:  Ltmp16: | 
|  | ; CHECK-NEXT:    popq %rax | 
|  | ; CHECK-NEXT:    retq | 
|  | entry: | 
|  | %a = alloca i32 | 
|  | store i32 %v, ptr %a | 
|  | %statepoint_token1 = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @bar, i32 0, i32 2, i64 0, i64 0) ["deopt"(ptr %a, ptr %a, ptr %a)] | 
|  | ret void | 
|  | } | 
|  |  | 
|  |  | 
|  | ; CHECK: Ltmp0-_test1 | 
|  | ; CHECK:      .byte	1 | 
|  | ; CHECK-NEXT:   .byte   0 | 
|  | ; CHECK-NEXT: .short 4 | 
|  | ; CHECK-NEXT: .short	5 | 
|  | ; CHECK-NEXT:   .short  0 | 
|  | ; CHECK-NEXT: .long	0 | 
|  |  | 
|  | ; CHECK: Ltmp1-_test2 | 
|  | ; CHECK:      .byte	1 | 
|  | ; CHECK-NEXT:   .byte   0 | 
|  | ; CHECK-NEXT: .short 4 | 
|  | ; CHECK-NEXT: .short	6 | 
|  | ; CHECK-NEXT:   .short  0 | 
|  | ; CHECK-NEXT: .long	0 | 
|  | ; CHECK:      .byte	1 | 
|  | ; CHECK-NEXT:   .byte   0 | 
|  | ; CHECK-NEXT: .short 4 | 
|  | ; CHECK-NEXT: .short	3 | 
|  | ; CHECK-NEXT:   .short  0 | 
|  | ; CHECK-NEXT: .long	0 | 
|  | ; CHECK: Ltmp2-_test2 | 
|  | ; CHECK:      .byte	1 | 
|  | ; CHECK-NEXT:   .byte   0 | 
|  | ; CHECK-NEXT: .short 4 | 
|  | ; CHECK-NEXT: .short	3 | 
|  | ; CHECK-NEXT:   .short  0 | 
|  | ; CHECK-NEXT: .long	0 | 
|  | ; CHECK:      .byte	1 | 
|  | ; CHECK-NEXT:   .byte   0 | 
|  | ; CHECK-NEXT: .short 4 | 
|  | ; CHECK-NEXT: .short	6 | 
|  | ; CHECK-NEXT:   .short  0 | 
|  | ; CHECK-NEXT: .long	0 | 
|  |  | 
|  | declare token @llvm.experimental.gc.statepoint.p0(i64, i32, ptr, i32, i32, ...) | 
|  | declare ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token, i32, i32) | 
|  |  | 
|  | attributes #0 = { "deopt-lowering"="live-in" } | 
|  | attributes #1 = { "deopt-lowering"="live-through" } |