mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-25 04:02:41 +01:00
224e72eaad
Summary: The llvm cos intrinsic currently does not propagate undef's. This change transforms cos(undef) to null value or 0. There are 2 test cases added as well. Patch by Anna Thomas! Reviewers: sanjoy Subscribers: majnemer, llvm-commits Differential Revision: http://reviews.llvm.org/D18863 llvm-svn: 265825
27 lines
790 B
LLVM
27 lines
790 B
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
; This test makes sure that the undef is propagated for the cos instrinsic
|
|
|
|
declare double @llvm.cos.f64(double %Val)
|
|
declare float @llvm.cos.f32(float %Val)
|
|
|
|
; Function Attrs: nounwind readnone
|
|
define double @test1() {
|
|
; CHECK-LABEL: define double @test1(
|
|
; CHECK-NEXT: ret double 0.000000e+00
|
|
%1 = call double @llvm.cos.f64(double undef)
|
|
ret double %1
|
|
}
|
|
|
|
|
|
; Function Attrs: nounwind readnone
|
|
define float @test2(float %d) {
|
|
; CHECK-LABEL: define float @test2(
|
|
; CHECK-NEXT: %cosval = call float @llvm.cos.f32(float %d)
|
|
%cosval = call float @llvm.cos.f32(float %d)
|
|
%cosval2 = call float @llvm.cos.f32(float undef)
|
|
%fsum = fadd float %cosval2, %cosval
|
|
ret float %fsum
|
|
; CHECK-NEXT: %fsum
|
|
; CHECK: ret float %fsum
|
|
}
|