| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=x86_64-pc-linux < %s | FileCheck %s |
| |
| define double @foo(double %0) #0 { |
| ; CHECK-LABEL: foo: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: subq $24, %rsp |
| ; CHECK-NEXT: movsd %xmm0, (%rsp) # 8-byte Spill |
| ; CHECK-NEXT: movl $1024, %edi # imm = 0x400 |
| ; CHECK-NEXT: callq fesetround@PLT |
| ; CHECK-NEXT: movsd {{.*#+}} xmm1 = mem[0],zero |
| ; CHECK-NEXT: divsd (%rsp), %xmm1 # 8-byte Folded Reload |
| ; CHECK-NEXT: movsd %xmm1, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill |
| ; CHECK-NEXT: movl $1024, %edi # imm = 0x400 |
| ; CHECK-NEXT: callq fesetround@PLT |
| ; CHECK-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero |
| ; CHECK-NEXT: divsd (%rsp), %xmm0 # 8-byte Folded Reload |
| ; CHECK-NEXT: movsd %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill |
| ; CHECK-NEXT: movl $1024, %edi # imm = 0x400 |
| ; CHECK-NEXT: callq fesetround@PLT |
| ; CHECK-NEXT: movsd {{.*#+}} xmm2 = mem[0],zero |
| ; CHECK-NEXT: divsd (%rsp), %xmm2 # 8-byte Folded Reload |
| ; CHECK-NEXT: movsd {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 8-byte Reload |
| ; CHECK-NEXT: # xmm0 = mem[0],zero |
| ; CHECK-NEXT: movsd {{[-0-9]+}}(%r{{[sb]}}p), %xmm1 # 8-byte Reload |
| ; CHECK-NEXT: # xmm1 = mem[0],zero |
| ; CHECK-NEXT: callq fma@PLT |
| ; CHECK-NEXT: addq $24, %rsp |
| ; CHECK-NEXT: retq |
| %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 } |