diff options
Diffstat (limited to 'llvm/test/Transforms/JumpThreading/threading_prof1.ll')
| -rw-r--r-- | llvm/test/Transforms/JumpThreading/threading_prof1.ll | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/llvm/test/Transforms/JumpThreading/threading_prof1.ll b/llvm/test/Transforms/JumpThreading/threading_prof1.ll new file mode 100644 index 00000000000..43e8ed83824 --- /dev/null +++ b/llvm/test/Transforms/JumpThreading/threading_prof1.ll @@ -0,0 +1,37 @@ +; RUN: opt -jump-threading -S < %s | FileCheck %s +; RUN: opt -passes=jump-threading -S < %s | FileCheck %s + +define void @test() { +bb: + %tmp = call i32 @a() + %tmp1 = icmp eq i32 %tmp, 1 + br i1 %tmp1, label %bb5, label %bb2 +; CHECK: br i1 %tmp1,{{.*}} !prof ![[PROF1:[0-9]+]] + +bb2: ; preds = %bb + %tmp3 = call i32 @b() + %tmp4 = icmp ne i32 %tmp3, 1 + br label %bb5 +; CHECK: br i1 %tmp4, {{.*}} !prof ![[PROF2:[0-9]+]] + +bb5: ; preds = %bb2, %bb + %tmp6 = phi i1 [ false, %bb ], [ %tmp4, %bb2 ] + br i1 %tmp6, label %bb8, label %bb7, !prof !0 + +bb7: ; preds = %bb5 + call void @bar() + br label %bb8 + +bb8: ; preds = %bb7, %bb5 + ret void +} + +declare void @bar() + +declare i32 @a() + +declare i32 @b() + +!0 = !{!"branch_weights", i32 2146410443, i32 1073205} +;CHECK: ![[PROF1]] = !{!"branch_weights", i32 1073205, i32 2146410443} +;CHECK: ![[PROF2]] = !{!"branch_weights", i32 2146410443, i32 1073205} |
