diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/X86/fast-isel-branch_weights.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/X86/fast-isel-branch_weights.ll b/test/CodeGen/X86/fast-isel-branch_weights.ll new file mode 100644 index 0000000000..bc41395e1e --- /dev/null +++ b/test/CodeGen/X86/fast-isel-branch_weights.ll @@ -0,0 +1,19 @@ +; RUN: llc < %s -mtriple=x86_64-apple-darwin10 | FileCheck %s +; RUN: llc < %s -fast-isel -fast-isel-abort -mtriple=x86_64-apple-darwin10 | FileCheck %s + +; Test if the BBs are reordred according to their branch weights. +define i64 @branch_weights_test(i64 %a, i64 %b) { +; CHECK-LABEL: branch_weights_test +; CHECK-LABEL: success +; CHECK-LABEL: fail + %1 = icmp ult i64 %a, %b + br i1 %1, label %fail, label %success, !prof !0 + +fail: + ret i64 -1 + +success: + ret i64 0 +} + +!0 = metadata !{metadata !"branch_weights", i32 0, i32 2147483647} |