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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
37 lines
1.5 KiB
LLVM
37 lines
1.5 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 { i16, i16, i16, i16, i16, i16, i16, i16,
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i16, i16, i16, i16, i16, i16, i16, i16,
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i16, i16, i16, i16, i16, i16, i16, i16,
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i16, i16, i16, i16, i16, i16, i16, i16,
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i16, i16, i16, i16, i16, i16, i16, i16,
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i16, i16, i16, i16, i16, i16, i16, i16,
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i16, i16, i16, i16, i16, i16, i16, i16,
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i16, i16, i16, i16, i16, i16, i16, i16,
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i16 }
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define void @g(i16 signext %a1, i16 signext %a2, i16 signext %a3,
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i16 signext %a4, i16 signext %a5, i16 signext %a6) nounwind {
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entry:
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%a = alloca %struct.s, align 16
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%tmp = getelementptr %struct.s* %a, i32 0, i32 0
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store i16 %a1, i16* %tmp, align 16
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%tmp2 = getelementptr %struct.s* %a, i32 0, i32 1
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store i16 %a2, i16* %tmp2, align 16
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%tmp4 = getelementptr %struct.s* %a, i32 0, i32 2
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store i16 %a3, i16* %tmp4, align 16
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%tmp6 = getelementptr %struct.s* %a, i32 0, i32 3
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store i16 %a4, i16* %tmp6, align 16
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%tmp8 = getelementptr %struct.s* %a, i32 0, i32 4
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store i16 %a5, i16* %tmp8, align 16
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%tmp10 = getelementptr %struct.s* %a, i32 0, i32 5
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store i16 %a6, i16* %tmp10, align 16
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call void @f( %struct.s* %a byval )
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call void @f( %struct.s* %a 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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