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ac3a1a8604
The ISD::FPOW and ISD::FSINCOS opcodes default to Legal, but there is no legal instruction for those on SystemZ. This could cause LLVM internal errors. Fixed by setting the operation action to Expand for those opcodes. Also added test cases for all other LLVM IR intrinsics that should generate a library call. (Those already work correctly since the default operation action is fine.) llvm-svn: 248180
57 lines
1.5 KiB
LLVM
57 lines
1.5 KiB
LLVM
; Test that combined sin/cos library call is emitted when appropriate
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s --check-prefix=CHECK-NOOPT
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; RUN: llc < %s -mtriple=s390x-linux-gnu -enable-unsafe-fp-math | FileCheck %s --check-prefix=CHECK-OPT
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define float @f1(float %x) {
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; CHECK-OPT-LABEL: f1:
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; CHECK-OPT: brasl %r14, sincosf@PLT
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; CHECK-OPT: le %f0, 164(%r15)
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; CHECK-OPT: aeb %f0, 160(%r15)
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; CHECK-NOOPT-LABEL: f1:
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; CHECK-NOOPT: brasl %r14, sinf@PLT
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; CHECK-NOOPT: brasl %r14, cosf@PLT
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%tmp1 = call float @sinf(float %x)
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%tmp2 = call float @cosf(float %x)
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%add = fadd float %tmp1, %tmp2
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ret float %add
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}
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define double @f2(double %x) {
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; CHECK-OPT-LABEL: f2:
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; CHECK-OPT: brasl %r14, sincos@PLT
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; CHECK-OPT: ld %f0, 168(%r15)
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; CHECK-OPT: adb %f0, 160(%r15)
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; CHECK-NOOPT-LABEL: f2:
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; CHECK-NOOPT: brasl %r14, sin@PLT
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; CHECK-NOOPT: brasl %r14, cos@PLT
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%tmp1 = call double @sin(double %x)
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%tmp2 = call double @cos(double %x)
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%add = fadd double %tmp1, %tmp2
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ret double %add
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}
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define fp128 @f3(fp128 %x) {
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; CHECK-OPT-LABEL: f3:
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; CHECK-OPT: brasl %r14, sincosl@PLT
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; CHECK-OPT: axbr
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; CHECK-NOOPT-LABEL: f3:
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; CHECK-NOOPT: brasl %r14, sinl@PLT
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; CHECK-NOOPT: brasl %r14, cosl@PLT
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%tmp1 = call fp128 @sinl(fp128 %x)
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%tmp2 = call fp128 @cosl(fp128 %x)
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%add = fadd fp128 %tmp1, %tmp2
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ret fp128 %add
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}
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declare float @sinf(float) readonly
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declare double @sin(double) readonly
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declare fp128 @sinl(fp128) readonly
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declare float @cosf(float) readonly
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declare double @cos(double) readonly
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declare fp128 @cosl(fp128) readonly
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