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Diffstat (limited to 'test/Transforms/SimplifyCFG/preserve-branchweights.ll')
| -rw-r--r-- | test/Transforms/SimplifyCFG/preserve-branchweights.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyCFG/preserve-branchweights.ll b/test/Transforms/SimplifyCFG/preserve-branchweights.ll index 4022ed6927e..912544646c0 100644 --- a/test/Transforms/SimplifyCFG/preserve-branchweights.ll +++ b/test/Transforms/SimplifyCFG/preserve-branchweights.ll @@ -293,6 +293,23 @@ c: ret void } +;; test12 - Don't crash if the whole switch is removed +define void @test12(i32 %M, i32 %N) nounwind uwtable { +entry: + switch i32 %N, label %sw.bb [ + i32 1, label %sw.bb + ], !prof !9 +; CHECK: test12 +; CHECK-NOT: switch + +sw.bb: + call void @helper(i32 0) + br label %sw.epilog + +sw.epilog: + ret void +} + !0 = metadata !{metadata !"branch_weights", i32 3, i32 5} !1 = metadata !{metadata !"branch_weights", i32 1, i32 1} !2 = metadata !{metadata !"branch_weights", i32 1, i32 2} @@ -302,6 +319,7 @@ c: !6 = metadata !{metadata !"branch_weights", i32 1, i32 3} !7 = metadata !{metadata !"branch_weights", i32 33, i32 9, i32 8, i32 7} !8 = metadata !{metadata !"branch_weights", i32 33, i32 9, i32 8} +!9 = metadata !{metadata !"branch_weights", i32 7, i32 6} ; CHECK: !0 = metadata !{metadata !"branch_weights", i32 5, i32 11} ; CHECK: !1 = metadata !{metadata !"branch_weights", i32 1, i32 5} |