68b8052121
A set of function attributes is required in any function that uses constrained floating point intrinsics. None of our tests use these attributes. This patch fixes this. These tests have been tested against the IR verifier changes in D68233. Reviewed by: andrew.w.kaylor, cameron.mcinally, uweigand Approved by: andrew.w.kaylor Differential Revision: https://reviews.llvm.org/D67925 llvm-svn: 373761
57 lines
2.0 KiB
LLVM
57 lines
2.0 KiB
LLVM
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
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declare double @llvm.experimental.constrained.fma.f64(double %f1, double %f2, double %f3, metadata, metadata)
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declare float @llvm.experimental.constrained.fma.f32(float %f1, float %f2, float %f3, metadata, metadata)
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define double @f1(double %f1, double %f2, double %acc) #0 {
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; CHECK-LABEL: f1:
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; CHECK: wfnmadb %f0, %f0, %f2, %f4
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; CHECK: br %r14
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%res = call double @llvm.experimental.constrained.fma.f64 (
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double %f1, double %f2, double %acc,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%negres = fsub double -0.0, %res
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ret double %negres
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}
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define double @f2(double %f1, double %f2, double %acc) #0 {
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; CHECK-LABEL: f2:
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; CHECK: wfnmsdb %f0, %f0, %f2, %f4
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; CHECK: br %r14
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%negacc = fsub double -0.0, %acc
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%res = call double @llvm.experimental.constrained.fma.f64 (
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double %f1, double %f2, double %negacc,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%negres = fsub double -0.0, %res
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ret double %negres
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}
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define float @f3(float %f1, float %f2, float %acc) #0 {
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; CHECK-LABEL: f3:
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; CHECK: wfnmasb %f0, %f0, %f2, %f4
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; CHECK: br %r14
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%res = call float @llvm.experimental.constrained.fma.f32 (
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float %f1, float %f2, float %acc,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%negres = fsub float -0.0, %res
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ret float %negres
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}
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define float @f4(float %f1, float %f2, float %acc) #0 {
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; CHECK-LABEL: f4:
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; CHECK: wfnmssb %f0, %f0, %f2, %f4
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; CHECK: br %r14
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%negacc = fsub float -0.0, %acc
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%res = call float @llvm.experimental.constrained.fma.f32 (
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float %f1, float %f2, float %negacc,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%negres = fsub float -0.0, %res
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ret float %negres
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}
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attributes #0 = { strictfp }
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