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6a49507382
This time with an additional fix, i.e. we remove the dead @llvm.ssa.copy instruction. llvm-svn: 303385
25 lines
681 B
LLVM
25 lines
681 B
LLVM
; RUN: opt -S -newgvn %s | FileCheck %s
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; CHECK-NOT: call i32 @llvm.ssa.copy
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@d = external global i32
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@e = external global i32
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define void @tinkywinky() {
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br i1 true, label %lor.lhs.false, label %cond.true
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lor.lhs.false:
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%tmp = load i32, i32* @d, align 4
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%patatino = load i32, i32* null, align 4
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%or = or i32 %tmp, %patatino
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store i32 %or, i32* @d, align 4
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br label %cond.true
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cond.true:
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%tmp1 = load i32, i32* @e, align 4
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%tmp2 = load i32, i32* @d, align 4
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%cmp = icmp eq i32 %tmp1, %tmp2
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br i1 %cmp, label %cond.true6, label %cond.false
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cond.true6:
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%cmp7 = icmp slt i32 %tmp1, 0
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br i1 %cmp7, label %cond.false, label %cond.false
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cond.false:
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ret void
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}
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