22df0886a1
If the target can generate a specific fp immediate constant, then don't split the store into 2 x i32 stores Another cleanup step for #74304
54 lines
1.5 KiB
LLVM
54 lines
1.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
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; REQUIRES: asserts
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; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s --check-prefix=CHECK-64
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; RUN: llc < %s -mtriple=x86_64-- -o /dev/null -stats -info-output-file - | grep asm-printer | grep 12
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; RUN: llc < %s -mtriple=i686-- | FileCheck %s --check-prefix=CHECK-32
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declare void @bar(double %x)
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declare void @barf(float %x)
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define double @foo() nounwind {
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; CHECK-64-LABEL: foo:
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; CHECK-64: # %bb.0:
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; CHECK-64-NEXT: pushq %rax
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; CHECK-64-NEXT: xorps %xmm0, %xmm0
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; CHECK-64-NEXT: callq bar@PLT
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; CHECK-64-NEXT: xorps %xmm0, %xmm0
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; CHECK-64-NEXT: popq %rax
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; CHECK-64-NEXT: retq
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;
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; CHECK-32-LABEL: foo:
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; CHECK-32: # %bb.0:
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; CHECK-32-NEXT: subl $8, %esp
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; CHECK-32-NEXT: fldz
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; CHECK-32-NEXT: fstpl (%esp)
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; CHECK-32-NEXT: calll bar@PLT
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; CHECK-32-NEXT: fldz
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; CHECK-32-NEXT: addl $8, %esp
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; CHECK-32-NEXT: retl
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call void @bar(double 0.0)
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ret double 0.0
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}
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define float @foof() nounwind {
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; CHECK-64-LABEL: foof:
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; CHECK-64: # %bb.0:
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; CHECK-64-NEXT: pushq %rax
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; CHECK-64-NEXT: xorps %xmm0, %xmm0
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; CHECK-64-NEXT: callq barf@PLT
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; CHECK-64-NEXT: xorps %xmm0, %xmm0
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; CHECK-64-NEXT: popq %rax
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; CHECK-64-NEXT: retq
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;
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; CHECK-32-LABEL: foof:
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; CHECK-32: # %bb.0:
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; CHECK-32-NEXT: pushl $0
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; CHECK-32-NEXT: calll barf@PLT
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; CHECK-32-NEXT: addl $4, %esp
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; CHECK-32-NEXT: fldz
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; CHECK-32-NEXT: retl
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call void @barf(float 0.0)
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ret float 0.0
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}
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