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- ; RUN: opt < %s -jump-threading -mem2reg -instcombine -simplifycfg -S | FileCheck %s
- declare i32 @f1()
- declare i32 @f2()
- declare void @f3()
- define i32 @test(i1 %cond, i1 %cond2) {
- ; CHECK: test
- br i1 %cond, label %T1, label %F1
- ; CHECK-NOT: T1
- T1:
- %v1 = call i32 @f1()
- br label %Merge
- F1:
- %v2 = call i32 @f2()
- br label %Merge
- Merge:
- ; CHECK: Merge:
- ; CHECK: %v1 = call i32 @f1()
- ; CHECK-NEXT: br i1 %cond2
- %A = phi i1 [true, %T1], [false, %F1]
- %B = phi i32 [%v1, %T1], [%v2, %F1]
- %C = and i1 %A, %cond2
- br i1 %C, label %T2, label %F2
- T2:
- call void @f3()
- ret i32 %B
- F2:
- ret i32 %B
- }
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