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