20 lines
674 B
LLVM
20 lines
674 B
LLVM
; RUN: opt < %s -passes=instcombine -S | not grep " call"
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; RUN: opt < %s -O3 -S | not grep xyz
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target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
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@.str = internal constant [4 x i8] c"xyz\00" ; <ptr> [#uses=1]
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define void @foo(ptr %P) {
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entry:
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%P_addr = alloca ptr
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store ptr %P, ptr %P_addr
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%tmp = load ptr, ptr %P_addr, align 4
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call void @llvm.memcpy.p0.p0.i32(ptr %tmp, ptr @.str, i32 4, i1 false)
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br label %return
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return: ; preds = %entry
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ret void
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}
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declare void @llvm.memcpy.p0.p0.i32(ptr nocapture, ptr nocapture, i32, i1) nounwind
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