diff options
Diffstat (limited to 'llvm/test/Transforms/StructurizeCFG/invert-constantexpr.ll')
| -rw-r--r-- | llvm/test/Transforms/StructurizeCFG/invert-constantexpr.ll | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/llvm/test/Transforms/StructurizeCFG/invert-constantexpr.ll b/llvm/test/Transforms/StructurizeCFG/invert-constantexpr.ll new file mode 100644 index 00000000000..61482bb73ad --- /dev/null +++ b/llvm/test/Transforms/StructurizeCFG/invert-constantexpr.ll @@ -0,0 +1,50 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py +; RUN: opt -S -o - -structurizecfg < %s | FileCheck %s + +@g = global i32 0 + +define void @invert_constantexpr_condition(i32 %arg, i32 %arg1) #0 { +; CHECK-LABEL: @invert_constantexpr_condition( +; CHECK-NEXT: bb: +; CHECK-NEXT: [[TMP:%.*]] = icmp eq i32 [[ARG:%.*]], 0 +; CHECK-NEXT: [[TMP0:%.*]] = xor i1 [[TMP]], true +; CHECK-NEXT: br i1 icmp eq (i32 ptrtoint (i32* @g to i32), i32 0), label [[BB2:%.*]], label [[FLOW:%.*]] +; CHECK: bb2: +; CHECK-NEXT: br label [[FLOW]] +; CHECK: bb3: +; CHECK-NEXT: [[TMP4:%.*]] = phi i1 [ undef, [[FLOW]] ], [ [[TMP7:%.*]], [[BB6:%.*]] ] +; CHECK-NEXT: [[TMP5:%.*]] = or i1 [[TMP4]], icmp eq (i32 ptrtoint (i32* @g to i32), i32 0) +; CHECK-NEXT: br label [[BB8:%.*]] +; CHECK: Flow: +; CHECK-NEXT: [[TMP1:%.*]] = phi i1 [ [[TMP0]], [[BB2]] ], [ icmp ne (i32 ptrtoint (i32* @g to i32), i32 0), [[BB:%.*]] ] +; CHECK-NEXT: br i1 [[TMP1]], label [[BB6]], label [[BB3:%.*]] +; CHECK: bb6: +; CHECK-NEXT: [[TMP7]] = icmp slt i32 [[ARG]], [[ARG1:%.*]] +; CHECK-NEXT: br label [[BB3]] +; CHECK: bb8: +; CHECK-NEXT: ret void +; +bb: + %tmp = icmp eq i32 %arg, 0 + br i1 icmp eq (i32 ptrtoint (i32* @g to i32), i32 0), label %bb2, label %bb6 + +bb2: + br i1 %tmp, label %bb3, label %bb6 + +bb3: + %tmp4 = phi i1 [ %tmp7, %bb6 ], [ undef, %bb2 ] + %tmp5 = or i1 %tmp4, icmp eq (i32 ptrtoint (i32* @g to i32), i32 0) + br i1 %tmp5, label %bb8, label %bb8 + +bb6: + %tmp7 = icmp slt i32 %arg, %arg1 + br label %bb3 + +bb8: + ret void +} + +declare i32 @llvm.amdgcn.workitem.id.x() #1 + +attributes #0 = { nounwind } +attributes #1 = { nounwind readnone } |
