| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=x86_64-pc-linux < %s | FileCheck %s --check-prefix=X64 |
| ; RUN: llc -mtriple=i686-pc-linux < %s | FileCheck %s --check-prefix=X86 |
| |
| define double @foo(double %0) #0 { |
| ; X64-LABEL: foo: |
| ; X64: # %bb.0: |
| ; X64-NEXT: subq $24, %rsp |
| ; X64-NEXT: movsd %xmm0, (%rsp) # 8-byte Spill |
| ; X64-NEXT: movl $1024, %edi # imm = 0x400 |
| ; X64-NEXT: callq fesetround@PLT |
| ; X64-NEXT: movsd {{.*#+}} xmm1 = [1.0E+0,0.0E+0] |
| ; X64-NEXT: divsd (%rsp), %xmm1 # 8-byte Folded Reload |
| ; X64-NEXT: movsd %xmm1, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill |
| ; X64-NEXT: movl $1024, %edi # imm = 0x400 |
| ; X64-NEXT: callq fesetround@PLT |
| ; X64-NEXT: movsd {{.*#+}} xmm0 = [1.0E+0,0.0E+0] |
| ; X64-NEXT: divsd (%rsp), %xmm0 # 8-byte Folded Reload |
| ; X64-NEXT: movsd %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill |
| ; X64-NEXT: movl $1024, %edi # imm = 0x400 |
| ; X64-NEXT: callq fesetround@PLT |
| ; X64-NEXT: movsd {{.*#+}} xmm2 = [1.0E+0,0.0E+0] |
| ; X64-NEXT: divsd (%rsp), %xmm2 # 8-byte Folded Reload |
| ; X64-NEXT: movsd {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 8-byte Reload |
| ; X64-NEXT: # xmm0 = mem[0],zero |
| ; X64-NEXT: movsd {{[-0-9]+}}(%r{{[sb]}}p), %xmm1 # 8-byte Reload |
| ; X64-NEXT: # xmm1 = mem[0],zero |
| ; X64-NEXT: callq fma@PLT |
| ; X64-NEXT: addq $24, %rsp |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: foo: |
| ; X86: # %bb.0: |
| ; X86-NEXT: subl $60, %esp |
| ; X86-NEXT: fldl {{[0-9]+}}(%esp) |
| ; X86-NEXT: fstpl {{[-0-9]+}}(%e{{[sb]}}p) # 8-byte Folded Spill |
| ; X86-NEXT: wait |
| ; X86-NEXT: movl $1024, (%esp) # imm = 0x400 |
| ; X86-NEXT: calll fesetround@PLT |
| ; X86-NEXT: fld1 |
| ; X86-NEXT: fstl {{[-0-9]+}}(%e{{[sb]}}p) # 8-byte Folded Spill |
| ; X86-NEXT: fldl {{[-0-9]+}}(%e{{[sb]}}p) # 8-byte Folded Reload |
| ; X86-NEXT: fdivrp %st, %st(1) |
| ; X86-NEXT: fstpl {{[-0-9]+}}(%e{{[sb]}}p) # 8-byte Folded Spill |
| ; X86-NEXT: wait |
| ; X86-NEXT: movl $1024, (%esp) # imm = 0x400 |
| ; X86-NEXT: calll fesetround@PLT |
| ; X86-NEXT: fldl {{[-0-9]+}}(%e{{[sb]}}p) # 8-byte Folded Reload |
| ; X86-NEXT: fldl {{[-0-9]+}}(%e{{[sb]}}p) # 8-byte Folded Reload |
| ; X86-NEXT: fdivp %st, %st(1) |
| ; X86-NEXT: fstpl {{[-0-9]+}}(%e{{[sb]}}p) # 8-byte Folded Spill |
| ; X86-NEXT: wait |
| ; X86-NEXT: movl $1024, (%esp) # imm = 0x400 |
| ; X86-NEXT: calll fesetround@PLT |
| ; X86-NEXT: fldl {{[-0-9]+}}(%e{{[sb]}}p) # 8-byte Folded Reload |
| ; X86-NEXT: fldl {{[-0-9]+}}(%e{{[sb]}}p) # 8-byte Folded Reload |
| ; X86-NEXT: fdivp %st, %st(1) |
| ; X86-NEXT: fstpl {{[0-9]+}}(%esp) |
| ; X86-NEXT: fldl {{[-0-9]+}}(%e{{[sb]}}p) # 8-byte Folded Reload |
| ; X86-NEXT: fstpl {{[0-9]+}}(%esp) |
| ; X86-NEXT: fldl {{[-0-9]+}}(%e{{[sb]}}p) # 8-byte Folded Reload |
| ; X86-NEXT: fstpl (%esp) |
| ; X86-NEXT: wait |
| ; X86-NEXT: calll fma |
| ; X86-NEXT: addl $60, %esp |
| ; X86-NEXT: retl |
| %2 = call i32 @fesetround(i32 noundef 1024) |
| %3 = call double @llvm.experimental.constrained.fdiv.f64(double 1.000000e+00, double %0, metadata !"round.dynamic", metadata !"fpexcept.ignore") #0 |
| %4 = call i32 @fesetround(i32 noundef 1024) |
| %5 = call double @llvm.experimental.constrained.fdiv.f64(double 1.000000e+00, double %0, metadata !"round.dynamic", metadata !"fpexcept.ignore") #0 |
| %6 = call i32 @fesetround(i32 noundef 1024) |
| %7 = call double @llvm.experimental.constrained.fdiv.f64(double 1.000000e+00, double %0, metadata !"round.dynamic", metadata !"fpexcept.ignore") #0 |
| %8 = call double @llvm.experimental.constrained.fma.f64(double %3, double %5, double %7, metadata !"round.dynamic", metadata !"fpexcept.ignore") #0 |
| ret double %8 |
| } |
| |
| declare i32 @fesetround(i32) #0 |
| declare double @llvm.experimental.constrained.fdiv.f64(double, double, metadata, metadata) #0 |
| declare double @llvm.experimental.constrained.fma.f64(double, double, double, metadata, metadata) #0 |
| |
| attributes #0 = { nounwind strictfp } |