diff options
Diffstat (limited to 'llvm/test/Examples/IRTransforms/SimplifyCFG/tut-simplify-cfg6-dead-self-loop.ll')
| -rw-r--r-- | llvm/test/Examples/IRTransforms/SimplifyCFG/tut-simplify-cfg6-dead-self-loop.ll | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/llvm/test/Examples/IRTransforms/SimplifyCFG/tut-simplify-cfg6-dead-self-loop.ll b/llvm/test/Examples/IRTransforms/SimplifyCFG/tut-simplify-cfg6-dead-self-loop.ll new file mode 100644 index 00000000000..f9705a6948b --- /dev/null +++ b/llvm/test/Examples/IRTransforms/SimplifyCFG/tut-simplify-cfg6-dead-self-loop.ll @@ -0,0 +1,25 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py +; RUN: opt -tut-simplifycfg -tut-simplifycfg-version=v1 -S < %s | FileCheck %s +; RUN: opt -tut-simplifycfg -tut-simplifycfg-version=v2 -S < %s | FileCheck %s +; RUN: opt -tut-simplifycfg -tut-simplifycfg-version=v3 -S < %s | FileCheck %s + +define i32 @simp1() { +; CHECK-LABEL: @simp1( +; CHECK-NEXT: entry: +; CHECK-NEXT: ret i32 1 +; CHECK: bb.1: +; CHECK-NEXT: br label [[BB_1:%.*]] +; CHECK: bb.2: +; CHECK-NEXT: [[P:%.*]] = phi i32 [ 0, [[BB_2:%.*]] ] +; CHECK-NEXT: br label [[BB_2]] +; +entry: + ret i32 1 + +bb.1: + br label %bb.1 + +bb.2: + %p = phi i32 [ 0, %bb.2] + br label %bb.2 +} |
