diff options
Diffstat (limited to 'llvm/test/Transforms/SimplifyCFG/preserve-branchweights.ll')
| -rw-r--r-- | llvm/test/Transforms/SimplifyCFG/preserve-branchweights.ll | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/llvm/test/Transforms/SimplifyCFG/preserve-branchweights.ll b/llvm/test/Transforms/SimplifyCFG/preserve-branchweights.ll index 93bbcfb38c3..1564e4e11d7 100644 --- a/llvm/test/Transforms/SimplifyCFG/preserve-branchweights.ll +++ b/llvm/test/Transforms/SimplifyCFG/preserve-branchweights.ll @@ -154,6 +154,26 @@ sw.epilog: ret void } +;; This test is based on test1 but swapped the targets of the second branch. +define void @test1_swap(i1 %a, i1 %b) { +; CHECK: @test1_swap +entry: + br i1 %a, label %Y, label %X, !prof !0 +; CHECK: br i1 %or.cond, label %Y, label %Z, !prof !4 + +X: + %c = or i1 %b, false + br i1 %c, label %Y, label %Z, !prof !1 + +Y: + call void @helper(i32 0) + ret void + +Z: + call void @helper(i32 1) + 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} @@ -165,4 +185,5 @@ sw.epilog: ; CHECK: !1 = metadata !{metadata !"branch_weights", i32 1, i32 5} ; CHECK: !2 = metadata !{metadata !"branch_weights", i32 7, i32 1, i32 2} ; CHECK: !3 = metadata !{metadata !"branch_weights", i32 49, i32 12, i32 24, i32 35} -; CHECK-NOT: !4 +; CHECK: !4 = metadata !{metadata !"branch_weights", i32 11, i32 5} +; CHECK-NOT: !5 |
