1bad00adc4
This is a followup to https://github.com/llvm/llvm-project/pull/171288, which removed lowering of libcalls to SDAG nodes for most libcalls that get unconditionally canonicalized to intrinsics. This handles the remaining fabs case, which I originally skipped due to larger test impact.
52 lines
1.6 KiB
LLVM
52 lines
1.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=-sse,-sse2,-sse3 | FileCheck %s --check-prefix=X87
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; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=-sse,-sse2,-sse3 -enable-no-nans-fp-math | FileCheck %s --check-prefix=X87UNSAFE
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64
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declare float @llvm.fabs.f32(float)
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declare x86_fp80 @llvm.fabs.f80(x86_fp80)
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define float @test1(float %X) {
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; X87-LABEL: test1:
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; X87: # %bb.0:
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; X87-NEXT: flds {{[0-9]+}}(%esp)
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; X87-NEXT: fabs
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; X87-NEXT: retl
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;
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; X87UNSAFE-LABEL: test1:
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; X87UNSAFE: # %bb.0:
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; X87UNSAFE-NEXT: flds {{[0-9]+}}(%esp)
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; X87UNSAFE-NEXT: fabs
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; X87UNSAFE-NEXT: retl
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;
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; X64-LABEL: test1:
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; X64: # %bb.0:
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; X64-NEXT: andps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
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; X64-NEXT: retq
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%Y = call float @llvm.fabs.f32(float %X) readnone
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ret float %Y
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}
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define x86_fp80 @test2(x86_fp80 %X) {
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; X87-LABEL: test2:
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; X87: # %bb.0:
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; X87-NEXT: fldt {{[0-9]+}}(%esp)
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; X87-NEXT: fabs
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; X87-NEXT: retl
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;
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; X87UNSAFE-LABEL: test2:
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; X87UNSAFE: # %bb.0:
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; X87UNSAFE-NEXT: fldt {{[0-9]+}}(%esp)
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; X87UNSAFE-NEXT: fabs
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; X87UNSAFE-NEXT: retl
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;
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; X64-LABEL: test2:
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; X64: # %bb.0:
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; X64-NEXT: fldt {{[0-9]+}}(%rsp)
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; X64-NEXT: fabs
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; X64-NEXT: retq
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%Y = call x86_fp80 @llvm.fabs.f80(x86_fp80 %X) readnone
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ret x86_fp80 %Y
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}
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