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https://github.com/c64scene-ar/llvm-6502.git
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40 lines
1.1 KiB
LLVM
40 lines
1.1 KiB
LLVM
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; RUN: opt -S -instcombine < %s | FileCheck %s
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declare float @llvm.fma.f32(float, float, float) #0
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declare float @llvm.fmuladd.f32(float, float, float) #0
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declare double @llvm.fma.f64(double, double, double) #0
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declare double @llvm.fmuladd.f64(double, double, double) #0
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; CHECK-LABEL: @constant_fold_fma_f32
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; CHECK-NEXT: ret float 6.000000e+00
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define float @constant_fold_fma_f32() #0 {
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%x = call float @llvm.fma.f32(float 1.0, float 2.0, float 4.0) #0
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ret float %x
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}
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; CHECK-LABEL: @constant_fold_fmuladd_f32
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; CHECK-NEXT: ret float 6.000000e+00
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define float @constant_fold_fmuladd_f32() #0 {
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%x = call float @llvm.fmuladd.f32(float 1.0, float 2.0, float 4.0) #0
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ret float %x
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}
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; CHECK-LABEL: @constant_fold_fma_f64
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; CHECK-NEXT: ret double 6.000000e+00
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define double @constant_fold_fma_f64() #0 {
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%x = call double @llvm.fma.f64(double 1.0, double 2.0, double 4.0) #0
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ret double %x
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}
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; CHECK-LABEL: @constant_fold_fmuladd_f64
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; CHECK-NEXT: ret double 6.000000e+00
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define double @constant_fold_fmuladd_f64() #0 {
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%x = call double @llvm.fmuladd.f64(double 1.0, double 2.0, double 4.0) #0
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ret double %x
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}
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attributes #0 = { nounwind readnone }
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