diff options
Diffstat (limited to 'llvm/test/Transforms/JumpThreading/select.ll')
| -rw-r--r-- | llvm/test/Transforms/JumpThreading/select.ll | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/llvm/test/Transforms/JumpThreading/select.ll b/llvm/test/Transforms/JumpThreading/select.ll index d0df7725f72..595cacbcbf5 100644 --- a/llvm/test/Transforms/JumpThreading/select.ll +++ b/llvm/test/Transforms/JumpThreading/select.ll @@ -91,6 +91,36 @@ L3: } +; Jump threading of indirectbr with select as address. Test increased +; duplication threshold for cases where indirectbr is being threaded +; through. + +; CHECK-LABEL: @test_indirectbr_thresh( +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 %cond, label %L1, label %L3 +; CHECK-NOT: indirectbr +define void @test_indirectbr_thresh(i1 %cond, i8* %address) nounwind { +entry: + br i1 %cond, label %L0, label %L3 +L0: + %indirect.goto.dest = select i1 %cond, i8* blockaddress(@test_indirectbr_thresh, %L1), i8* %address + call void @quux() + call void @quux() + call void @quux() + indirectbr i8* %indirect.goto.dest, [label %L1, label %L2, label %L3] + +L1: + call void @foo() + ret void +L2: + call void @bar() + ret void +L3: + call void @baz() + ret void +} + + ; A more complicated case: the condition is a select based on a comparison. ; CHECK-LABEL: @test_switch_cmp( |
