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Diffstat (limited to 'test/CodeGen/AArch64/fast-isel-branch-cond-split.ll')
| -rw-r--r-- | test/CodeGen/AArch64/fast-isel-branch-cond-split.ll | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/fast-isel-branch-cond-split.ll b/test/CodeGen/AArch64/fast-isel-branch-cond-split.ll new file mode 100644 index 0000000..bc4a210 --- /dev/null +++ b/test/CodeGen/AArch64/fast-isel-branch-cond-split.ll @@ -0,0 +1,42 @@ +; RUN: llc -mtriple=aarch64-apple-darwin -fast-isel -fast-isel-abort -verify-machineinstrs < %s | FileCheck %s + +; CHECK-label: test_or +; CHECK: cbnz w0, {{LBB[0-9]+_2}} +; CHECK: cbz w1, {{LBB[0-9]+_1}} +define i64 @test_or(i32 %a, i32 %b) { +bb1: + %0 = icmp eq i32 %a, 0 + %1 = icmp eq i32 %b, 0 + %or.cond = or i1 %0, %1 + br i1 %or.cond, label %bb3, label %bb4, !prof !0 + +bb3: + ret i64 0 + +bb4: + %2 = call i64 @bar() + ret i64 %2 +} + +; CHECK-label: test_ans +; CHECK: cbz w0, {{LBB[0-9]+_2}} +; CHECK: cbnz w1, {{LBB[0-9]+_3}} +define i64 @test_and(i32 %a, i32 %b) { +bb1: + %0 = icmp ne i32 %a, 0 + %1 = icmp ne i32 %b, 0 + %or.cond = and i1 %0, %1 + br i1 %or.cond, label %bb4, label %bb3, !prof !1 + +bb3: + ret i64 0 + +bb4: + %2 = call i64 @bar() + ret i64 %2 +} + +declare i64 @bar() + +!0 = !{!"branch_weights", i32 5128, i32 32} +!1 = !{!"branch_weights", i32 1024, i32 4136} |