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e007734fd3
The need for all these Lookup* functions is just because of calls to getAnalysis inside methods (i.e. not at the top level) of the runOnFunction method. They should be straightforward to clean up when the old PM is gone. llvm-svn: 272615
30 lines
1.3 KiB
LLVM
30 lines
1.3 KiB
LLVM
; RUN: opt -memcpyopt -S < %s | FileCheck %s
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; RUN: opt -passes=memcpyopt -S < %s | FileCheck %s
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; rdar://8875553
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; Memcpyopt shouldn't optimize the second memcpy using the first
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; because the first has a smaller size.
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; CHECK: call void @llvm.memcpy.p0i8.p0i8.i32(i8* %tmp, i8* getelementptr inbounds (%struct.s, %struct.s* @cell, i32 0, i32 0, i32 0), i32 16, i32 4, i1 false)
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target datalayout = "e-p:32:32:32"
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%struct.s = type { [11 x i8], i32 }
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@.str = private constant [11 x i8] c"0123456789\00"
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@cell = external global %struct.s
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declare void @check(%struct.s* byval %p) nounwind
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declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
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define void @foo() nounwind {
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entry:
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%agg.tmp = alloca %struct.s, align 4
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store i32 99, i32* getelementptr inbounds (%struct.s, %struct.s* @cell, i32 0, i32 1), align 4
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* getelementptr inbounds (%struct.s, %struct.s* @cell, i32 0, i32 0, i32 0), i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i32 0, i32 0), i32 11, i32 1, i1 false)
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%tmp = getelementptr inbounds %struct.s, %struct.s* %agg.tmp, i32 0, i32 0, i32 0
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* %tmp, i8* getelementptr inbounds (%struct.s, %struct.s* @cell, i32 0, i32 0, i32 0), i32 16, i32 4, i1 false)
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call void @check(%struct.s* byval %agg.tmp)
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ret void
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}
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