1 ; RUN: llc < %s -march=x86 -mattr=+sse2 | FileCheck %s 2 3 ; CHECK: foo 4 ; CHECK: xorps 5 define void @foo(<4 x float>* %P) { 6 %T = load <4 x float>, <4 x float>* %P ; <<4 x float>> [#uses=1] 7 %S = fadd <4 x float> zeroinitializer, %T ; <<4 x float>> [#uses=1] 8 store <4 x float> %S, <4 x float>* %P 9 ret void 10 } 11 12 ; CHECK: bar 13 ; CHECK: pxor 14 define void @bar(<4 x i32>* %P) { 15 %T = load <4 x i32>, <4 x i32>* %P ; <<4 x i32>> [#uses=1] 16 %S = sub <4 x i32> zeroinitializer, %T ; <<4 x i32>> [#uses=1] 17 store <4 x i32> %S, <4 x i32>* %P 18 ret void 19 } 20 21 ; Without any type hints from operations, we fall back to the smaller xorps. 22 ; The IR type <4 x i32> is ignored. 23 ; CHECK: untyped_zero 24 ; CHECK: xorps 25 ; CHECK: movaps 26 define void @untyped_zero(<4 x i32>* %p) { 27 entry: 28 store <4 x i32> zeroinitializer, <4 x i32>* %p, align 16 29 ret void 30 } 31
