2012-08-27 06:59:01 +00:00
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; RUN: llc < %s -mtriple=i386-apple-darwin10 -mattr=+fma,-fma4 | FileCheck %s --check-prefix=CHECK-FMA-INST
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; RUN: llc < %s -mtriple=i386-apple-darwin10 -mattr=-fma,-fma4 | FileCheck %s --check-prefix=CHECK-FMA-CALL
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; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -mattr=+fma,-fma4 | FileCheck %s --check-prefix=CHECK-FMA-INST
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; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -mattr=-fma,-fma4 | FileCheck %s --check-prefix=CHECK-FMA-CALL
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2012-08-27 11:50:26 +00:00
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; RUN: llc < %s -march=x86 -mcpu=bdver2 -mattr=-fma4 | FileCheck %s --check-prefix=CHECK-FMA-INST
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; RUN: llc < %s -march=x86 -mcpu=bdver2 -mattr=-fma,-fma4 | FileCheck %s --check-prefix=CHECK-FMA-CALL
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2011-07-08 21:39:21 +00:00
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; CHECK: test_f32
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2012-08-01 12:06:00 +00:00
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; CHECK-FMA-INST: vfmadd213ss
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2012-08-27 06:59:01 +00:00
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; CHECK-FMA-CALL: fmaf
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2011-07-08 21:39:21 +00:00
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define float @test_f32(float %a, float %b, float %c) nounwind readnone ssp {
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entry:
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%call = tail call float @llvm.fma.f32(float %a, float %b, float %c) nounwind readnone
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ret float %call
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}
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; CHECK: test_f64
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2012-08-01 12:06:00 +00:00
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; CHECK-FMA-INST: vfmadd213sd
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2012-08-27 06:59:01 +00:00
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; CHECK-FMA-CALL: fma
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2011-07-08 21:39:21 +00:00
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define double @test_f64(double %a, double %b, double %c) nounwind readnone ssp {
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entry:
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%call = tail call double @llvm.fma.f64(double %a, double %b, double %c) nounwind readnone
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ret double %call
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}
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; CHECK: test_f80
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2012-08-27 06:59:01 +00:00
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; CHECK: fmal
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2011-07-08 21:39:21 +00:00
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define x86_fp80 @test_f80(x86_fp80 %a, x86_fp80 %b, x86_fp80 %c) nounwind readnone ssp {
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entry:
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%call = tail call x86_fp80 @llvm.fma.f80(x86_fp80 %a, x86_fp80 %b, x86_fp80 %c) nounwind readnone
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ret x86_fp80 %call
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}
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2013-05-09 22:27:13 +00:00
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; CHECK: test_f32_cst
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; CHECK-NOT: fma
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define float @test_f32_cst() nounwind readnone ssp {
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entry:
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%call = tail call float @llvm.fma.f32(float 3.0, float 3.0, float 3.0) nounwind readnone
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ret float %call
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}
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2014-01-23 20:23:36 +00:00
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; Test FMA3 variant selection
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; CHECK: fma3_select231:
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; CHECK: vfmadd231ss
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define float @fma3_select231(float %x, float %y, i32 %N) #0 {
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entry:
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br label %while.body
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while.body: ; preds = %while.body, %while.body
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%acc.01 = phi float [ 0.000000e+00, %entry ], [ %acc, %while.body ]
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%acc = tail call float @llvm.fma.f32(float %x, float %y, float %acc.01) nounwind readnone
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%b = fcmp ueq float %acc, 0.0
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br i1 %b, label %while.body, label %while.end
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while.end: ; preds = %while.body, %entry
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ret float %acc
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}
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2011-07-08 21:39:21 +00:00
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declare float @llvm.fma.f32(float, float, float) nounwind readnone
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declare double @llvm.fma.f64(double, double, double) nounwind readnone
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declare x86_fp80 @llvm.fma.f80(x86_fp80, x86_fp80, x86_fp80) nounwind readnone
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