| ; RUN: llc < %s -mtriple=armv7-apple-ios -O0 | FileCheck %s |
| |
| ; rdar://12713765 |
| ; When realign-stack is set to false, make sure we are not creating stack |
| ; objects that are assumed to be 64-byte aligned. |
| |
| define void @test1(<16 x float>* noalias sret(<16 x float>) %agg.result) nounwind ssp "no-realign-stack" { |
| ; CHECK-LABEL: test1: |
| ; CHECK: mov r[[PTR:[0-9]+]], r{{[0-9]+}} |
| ; CHECK: mov r[[NOTALIGNED:[0-9]+]], sp |
| ; CHECK: add r[[NOTALIGNED]], r[[NOTALIGNED]], #32 |
| ; CHECK: add r[[PTR]], r[[PTR]], #32 |
| ; CHECK: vld1.64 {d{{[0-9]+}}, d{{[0-9]+}}}, [r[[NOTALIGNED]]:128] |
| ; CHECK: vld1.64 {d{{[0-9]+}}, d{{[0-9]+}}}, [r[[PTR]]:128] |
| ; CHECK: vst1.64 {d{{[0-9]+}}, d{{[0-9]+}}}, [r[[PTR]]:128] |
| ; CHECK: vst1.64 {d{{[0-9]+}}, d{{[0-9]+}}}, [r[[NOTALIGNED]]:128] |
| entry: |
| %retval = alloca <16 x float>, align 64 |
| %a1 = bitcast <16 x float>* %retval to float* |
| %a2 = getelementptr inbounds float, float* %a1, i64 8 |
| %a3 = bitcast float* %a2 to <4 x float>* |
| |
| %b1 = bitcast <16 x float>* %agg.result to float* |
| %b2 = getelementptr inbounds float, float* %b1, i64 8 |
| %b3 = bitcast float* %b2 to <4 x float>* |
| |
| %0 = load <4 x float>, <4 x float>* %a3, align 16 |
| %1 = load <4 x float>, <4 x float>* %b3, align 16 |
| store <4 x float> %0, <4 x float>* %b3, align 16 |
| store <4 x float> %1, <4 x float>* %a3, align 16 |
| ret void |
| } |
| |
| define void @test2(<16 x float>* noalias sret(<16 x float>) %agg.result) nounwind ssp { |
| ; CHECK-LABEL: test2: |
| ; CHECK: mov r[[PTR:[0-9]+]], r{{[0-9]+}} |
| ; CHECK: mov r[[ALIGNED:[0-9]+]], sp |
| ; CHECK: orr r[[ALIGNED]], r[[ALIGNED]], #32 |
| ; CHECK: add r[[PTR]], r[[PTR]], #32 |
| ; CHECK: vld1.64 {d{{[0-9]+}}, d{{[0-9]+}}}, [r[[ALIGNED]]:128] |
| ; CHECK: vld1.64 {d{{[0-9]+}}, d{{[0-9]+}}}, [r[[PTR]]:128] |
| ; CHECK: vst1.64 {d{{[0-9]+}}, d{{[0-9]+}}}, [r[[PTR]]:128] |
| ; CHECK: vst1.64 {d{{[0-9]+}}, d{{[0-9]+}}}, [r[[ALIGNED]]:128] |
| entry: |
| %retval = alloca <16 x float>, align 64 |
| %a1 = bitcast <16 x float>* %retval to float* |
| %a2 = getelementptr inbounds float, float* %a1, i64 8 |
| %a3 = bitcast float* %a2 to <4 x float>* |
| |
| %b1 = bitcast <16 x float>* %agg.result to float* |
| %b2 = getelementptr inbounds float, float* %b1, i64 8 |
| %b3 = bitcast float* %b2 to <4 x float>* |
| |
| %0 = load <4 x float>, <4 x float>* %a3, align 16 |
| %1 = load <4 x float>, <4 x float>* %b3, align 16 |
| store <4 x float> %0, <4 x float>* %b3, align 16 |
| store <4 x float> %1, <4 x float>* %a3, align 16 |
| ret void |
| } |