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22 lines
549 B
LLVM
22 lines
549 B
LLVM
; RUN: llvm-as < %s | opt -licm | llvm-dis | grep promoted
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; Promote value if at least one use is safe
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define i32 @f2(i32* %p, i8* %q) {
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entry:
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br label %loop.head
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loop.head: ; preds = %cond.true, %entry
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store i32 20, i32* %p
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%tmp3.i = icmp eq i8* null, %q ; <i1> [#uses=1]
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br i1 %tmp3.i, label %exit, label %cond.true
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cond.true: ; preds = %loop.head
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store i32 40, i32* %p
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br label %loop.head
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exit: ; preds = %loop.head
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ret i32 0
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}
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