1; RUN: opt -simplifycfg -S -o - < %s | FileCheck %s 2 3; This test case was written to trigger an incorrect assert statement in 4; -simplifycfg. Thus we don't actually want to check the output, just that 5; -simplifycfg ran successfully. Thus we only check that the function still 6; exists, and that it still calls foo(). 7; 8; NOTE: There are some obviously dead blocks and missing branch weight 9; metadata. Both of these features were key to triggering the assert. 10; Additionally, the not-taken weight of the branch with a weight had to 11; be 0 to trigger the assert. 12 13declare void @foo() nounwind uwtable 14 15define void @func(i32 %A) nounwind uwtable { 16; CHECK-LABEL: define void @func( 17entry: 18 %cmp11 = icmp eq i32 %A, 1 19 br i1 %cmp11, label %if.then, label %if.else, !prof !0 20 21if.then: 22 call void @foo() 23; CHECK: call void @foo() 24 br label %if.else 25 26if.else: 27 %cmp17 = icmp eq i32 %A, 2 28 br i1 %cmp17, label %if.then2, label %if.end 29 30if.then2: 31 br label %if.end 32 33if.end: 34 ret void 35} 36 37!0 = !{!"branch_weights", i32 1, i32 0} 38