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7fd94ea393
chose is having a non-memcpy/memset use and being larger than any native integer type. Originally I chose having an access of a size smaller than the total size of the alloca, but this caused some minor issues on the spirit benchmark where SRoA runs again after some inlining. This fixes <rdar://problem/8613163>. llvm-svn: 127718
28 lines
1007 B
LLVM
28 lines
1007 B
LLVM
; RUN: opt < %s -scalarrepl -S | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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target triple = "x86_64-apple-darwin10.0.0"
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%struct.S = type { [12 x i32] }
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; CHECK: @bar4
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define void @bar4(%struct.S* byval %s) nounwind ssp {
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entry:
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; CHECK: alloca
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; CHECK-NOT: load
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; CHECK: memcpy
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%t = alloca %struct.S, align 4
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%agg.tmp = alloca %struct.S, align 4
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%tmp = bitcast %struct.S* %t to i8*
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%tmp1 = bitcast %struct.S* %s to i8*
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %tmp, i8* %tmp1, i64 48, i32 4, i1 false)
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%tmp2 = bitcast %struct.S* %agg.tmp to i8*
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%tmp3 = bitcast %struct.S* %t to i8*
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %tmp2, i8* %tmp3, i64 48, i32 4, i1 false)
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%call = call i32 (...)* @bazz(%struct.S* byval %agg.tmp)
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ret void
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}
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
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declare i32 @bazz(...)
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