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- ; RUN: opt < %s -gvn -enable-pre -S | grep ".pre"
- @H = common global i32 0 ; <i32*> [#uses=2]
- @G = common global i32 0 ; <i32*> [#uses=1]
- define i32 @test() nounwind {
- entry:
- %0 = load i32, i32* @H, align 4 ; <i32> [#uses=2]
- %1 = call i32 (...) @foo() nounwind ; <i32> [#uses=1]
- %2 = icmp ne i32 %1, 0 ; <i1> [#uses=1]
- br i1 %2, label %bb, label %bb1
- bb: ; preds = %entry
- %3 = add i32 %0, 42 ; <i32> [#uses=1]
- store i32 %3, i32* @G, align 4
- br label %bb1
- bb1: ; preds = %bb, %entry
- %4 = add i32 %0, 42 ; <i32> [#uses=1]
- store i32 %4, i32* @H, align 4
- br label %return
- return: ; preds = %bb1
- ret i32 0
- }
- declare i32 @foo(...)
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