; 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, i1 %cond3) { ; 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: %D = and i1 %cond2, %cond3 ; CHECK-NEXT: br i1 %D %A = phi i1 [true, %T1], [false, %F1] %B = phi i32 [%v1, %T1], [%v2, %F1] %C = and i1 %A, %cond2 %D = and i1 %C, %cond3 br i1 %D, label %T2, label %F2 T2: call void @f3() ret i32 %B F2: ret i32 %B }