llvm-6502/test/CodeGen/X86/scalar_sse_minmax.ll
Matthias Braun b8b2dff046 X86: Test cleanup
Use FileCheck, make it more consistent and do not rely on unoptimized
or(cmp,cmp) getting combined for max to be matched.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228361 91177308-0d34-0410-b5e6-96231b3b80d8
2015-02-05 23:52:12 +00:00

54 lines
1.5 KiB
LLVM

; RUN: llc < %s -march=x86 -mattr=+sse,+sse2 | FileCheck %s
define float @min1(float %x, float %y) {
; CHECK-LABEL: min1
; CHECK: mins
%tmp = fcmp olt float %x, %y
%retval = select i1 %tmp, float %x, float %y
ret float %retval
}
define double @min2(double %x, double %y) {
; CHECK-LABEL: min2
; CHECK: mins
%tmp = fcmp olt double %x, %y
%retval = select i1 %tmp, double %x, double %y
ret double %retval
}
declare <4 x float> @llvm.x86.sse.min.ss(<4 x float>, <4 x float>)
define <4 x float> @min3(float %x, float %y) {
; CHECK-LABEL: min3
; CHECK: mins
%vec0 = insertelement <4 x float> undef, float %x, i32 0
%vec1 = insertelement <4 x float> undef, float %y, i32 0
%retval = tail call <4 x float> @llvm.x86.sse.min.ss(<4 x float> %vec0, <4 x float> %vec1)
ret <4 x float> %retval
}
define float @max1(float %x, float %y) {
; CHECK-LABEL: max1
; CHECK: maxs
%tmp = fcmp uge float %x, %y
%retval = select i1 %tmp, float %x, float %y
ret float %retval
}
define double @max2(double %x, double %y) {
; CHECK-LABEL: max2
; CHECK: maxs
%tmp = fcmp uge double %x, %y
%retval = select i1 %tmp, double %x, double %y
ret double %retval
}
declare <4 x float> @llvm.x86.sse.max.ss(<4 x float>, <4 x float>)
define <4 x float> @max3(float %x, float %y) {
; CHECK-LABEL: max3
; CHECK: maxs
%vec0 = insertelement <4 x float> undef, float %x, i32 0
%vec1 = insertelement <4 x float> undef, float %y, i32 0
%retval = tail call <4 x float> @llvm.x86.sse.max.ss(<4 x float> %vec0, <4 x float> %vec1)
ret <4 x float> %retval
}