2009-09-11 20:01:28 +02:00
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; RUN: opt < %s -constprop -instcombine -S | not grep {call.*llvm.memcpy.i32}
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2005-04-26 09:40:40 +02:00
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2008-03-10 08:21:50 +01:00
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@h = constant [2 x i8] c"h\00" ; <[2 x i8]*> [#uses=1]
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@hel = constant [4 x i8] c"hel\00" ; <[4 x i8]*> [#uses=1]
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@hello_u = constant [8 x i8] c"hello_u\00" ; <[8 x i8]*> [#uses=1]
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2005-04-26 09:40:40 +02:00
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2008-03-10 08:21:50 +01:00
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define i32 @main() {
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2011-06-18 08:05:24 +02:00
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%h_p = getelementptr [2 x i8]* @h, i32 0, i32 0
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%hel_p = getelementptr [4 x i8]* @hel, i32 0, i32 0
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%hello_u_p = getelementptr [8 x i8]* @hello_u, i32 0, i32 0
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%target = alloca [1024 x i8]
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%target_p = getelementptr [1024 x i8]* %target, i32 0, i32 0
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* %target_p, i8* %h_p, i32 2, i32 2, i1 false)
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* %target_p, i8* %hel_p, i32 4, i32 4, i1 false)
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* %target_p, i8* %hello_u_p, i32 8, i32 8, i1 false)
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ret i32 0
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2005-04-26 09:40:40 +02:00
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}
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2008-03-10 08:21:50 +01:00
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2011-06-18 08:05:24 +02:00
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declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
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