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23c462a8b5
This allows targets to make more decisions about reserved registers after isel. For example, now it should be certain there are calls or stack objects in the frame or not, which could have been introduced by legalization. Patch by Matthias Braun llvm-svn: 363757
33 lines
1.4 KiB
LLVM
33 lines
1.4 KiB
LLVM
; RUN: llc -o - %s -mtriple=mips-unknown-linux-gnu \
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; RUN: -mcpu=mips32 -mattr=+fpxx \
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; RUN: -stop-after=finalize-isel | \
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; RUN: FileCheck %s -check-prefix=FPXX-IMPLICIT-SP
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; RUN: llc -o - %s -mtriple=mips-unknown-linux-gnu \
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; RUN: -mcpu=mips32r6 -mattr=+fp64,+nooddspreg \
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; RUN: -stop-after=finalize-isel | \
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; RUN: FileCheck %s -check-prefix=FP64-IMPLICIT-SP
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; RUN: llc -o - %s -mtriple=mips-unknown-linux-gnu \
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; RUN: -mcpu=mips32r2 -mattr=+fpxx \
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; RUN: -stop-after=finalize-isel | \
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; RUN: FileCheck %s -check-prefix=NO-IMPLICIT-SP
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define double @foo2(i32 signext %v1, double %d1) {
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entry:
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; FPXX-IMPLICIT-SP: BuildPairF64 %{{[0-9]+}}, %{{[0-9]+}}, implicit $sp
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; FPXX-IMPLICIT-SP: ExtractElementF64 killed %{{[0-9]+}}, 1, implicit $sp
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; FP64-IMPLICIT-SP: BuildPairF64_64 %{{[0-9]+}}, %{{[0-9]+}}, implicit $sp
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; FP64-IMPLICIT-SP: ExtractElementF64_64 killed %{{[0-9]+}}, 1, implicit $sp
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; NO-IMPLICIT-SP: BuildPairF64 %{{[0-9]+}}, %{{[0-9]+}}
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; NO-IMPLICIT-SP-NOT: BuildPairF64 %{{[0-9]+}}, %{{[0-9]+}}, implicit $sp
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; NO-IMPLICIT-SP: ExtractElementF64 killed %{{[0-9]+}}, 1
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; NO-IMPLICIT-SP-NOT: ExtractElementF64 killed %{{[0-9]+}}, 1, implicit $sp
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%conv = fptrunc double %d1 to float
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%0 = tail call float @llvm.copysign.f32(float 1.000000e+00, float %conv)
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%conv1 = fpext float %0 to double
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ret double %conv1
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}
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declare float @llvm.copysign.f32(float, float)
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