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ef2509b3ba
1. x86-64 byval alignment should be max of 8 and alignment of type. Previously the code was not doing what the commit message was saying. 2. Do not use byte repeat move and store operations. These are slow. llvm-svn: 55139
31 lines
1.2 KiB
LLVM
31 lines
1.2 KiB
LLVM
; RUN: llvm-as < %s | llc -march=x86-64 | grep rep.movsq | count 2
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; RUN: llvm-as < %s | llc -march=x86 | grep rep.movsl | count 2
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%struct.s = type { i32, i32, i32, i32, i32, i32, i32, i32,
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i32, i32, i32, i32, i32, i32, i32, i32,
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i32, i32, i32, i32, i32, i32, i32, i32,
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i32, i32, i32, i32, i32, i32, i32, i32,
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i32 }
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define void @g(i32 %a1, i32 %a2, i32 %a3, i32 %a4, i32 %a5, i32 %a6) nounwind {
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entry:
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%d = alloca %struct.s, align 16
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%tmp = getelementptr %struct.s* %d, i32 0, i32 0
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store i32 %a1, i32* %tmp, align 16
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%tmp2 = getelementptr %struct.s* %d, i32 0, i32 1
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store i32 %a2, i32* %tmp2, align 16
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%tmp4 = getelementptr %struct.s* %d, i32 0, i32 2
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store i32 %a3, i32* %tmp4, align 16
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%tmp6 = getelementptr %struct.s* %d, i32 0, i32 3
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store i32 %a4, i32* %tmp6, align 16
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%tmp8 = getelementptr %struct.s* %d, i32 0, i32 4
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store i32 %a5, i32* %tmp8, align 16
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%tmp10 = getelementptr %struct.s* %d, i32 0, i32 5
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store i32 %a6, i32* %tmp10, align 16
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call void @f( %struct.s* %d byval)
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call void @f( %struct.s* %d byval)
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ret void
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}
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declare void @f(%struct.s* byval)
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