24 lines
571 B
LLVM
24 lines
571 B
LLVM
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; RUN: opt < %s -passes=licm -S | FileCheck %s
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; Promote value if at least one use is safe
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define i32 @f2(ptr %p, ptr %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, ptr %p
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%tmp3.i = icmp eq ptr 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, ptr %p
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br label %loop.head
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; CHECK: exit:
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; CHECK: store i32 20, ptr %p
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exit: ; preds = %loop.head
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ret i32 0
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}
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