diff options
Diffstat (limited to 'llvm/test/Transforms/SimplifyCFG/PR16069.ll')
| -rw-r--r-- | llvm/test/Transforms/SimplifyCFG/PR16069.ll | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/llvm/test/Transforms/SimplifyCFG/PR16069.ll b/llvm/test/Transforms/SimplifyCFG/PR16069.ll new file mode 100644 index 00000000000..9048b5680c7 --- /dev/null +++ b/llvm/test/Transforms/SimplifyCFG/PR16069.ll @@ -0,0 +1,33 @@ +; NOTE: Assertions have been autogenerated by update_test_checks.py +; RUN: opt < %s -simplifycfg -S | FileCheck %s + +@b = extern_weak global i32 + +define i32 @foo(i1 %y) { +; CHECK-LABEL: @foo( +; CHECK: [[COND_I:%.*]] = phi i32 [ srem (i32 1, i32 zext (i1 icmp eq (i32* @b, i32* null) to i32)), %bb2 ], [ 0, %0 ] +; CHECK-NEXT: ret i32 [[COND_I]] +; + br i1 %y, label %bb1, label %bb2 +bb1: + br label %bb3 +bb2: + br label %bb3 +bb3: + %cond.i = phi i32 [ 0, %bb1 ], [ srem (i32 1, i32 zext (i1 icmp eq (i32* @b, i32* null) to i32)), %bb2 ] + ret i32 %cond.i +} + +define i32 @foo2(i1 %x) { +; CHECK-LABEL: @foo2( +; CHECK: [[COND:%.*]] = phi i32 [ 0, %bb1 ], [ srem (i32 1, i32 zext (i1 icmp eq (i32* @b, i32* null) to i32)), %bb0 ] +; CHECK-NEXT: ret i32 [[COND]] +; +bb0: + br i1 %x, label %bb1, label %bb2 +bb1: + br label %bb2 +bb2: + %cond = phi i32 [ 0, %bb1 ], [ srem (i32 1, i32 zext (i1 icmp eq (i32* @b, i32* null) to i32)), %bb0 ] + ret i32 %cond +} |
