diff options
Diffstat (limited to 'llvm/test/Transforms/CodeExtractor/live_shrink_hoist.ll')
-rw-r--r-- | llvm/test/Transforms/CodeExtractor/live_shrink_hoist.ll | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/llvm/test/Transforms/CodeExtractor/live_shrink_hoist.ll b/llvm/test/Transforms/CodeExtractor/live_shrink_hoist.ll new file mode 100644 index 00000000000..13dab8d6b83 --- /dev/null +++ b/llvm/test/Transforms/CodeExtractor/live_shrink_hoist.ll @@ -0,0 +1,70 @@ +; RUN: opt -S -partial-inliner -max-num-inline-blocks=3 -skip-partial-inlining-cost-analysis < %s | FileCheck %s +; RUN: opt -S -passes=partial-inliner -max-num-inline-blocks=2 -skip-partial-inlining-cost-analysis < %s | FileCheck %s + +%class.A = type { i32 } + +@cond = local_unnamed_addr global i32 0, align 4 + +; Function Attrs: uwtable +define void @_Z3foov() local_unnamed_addr { +bb: + %tmp = alloca %class.A, align 4 + %tmp1 = bitcast %class.A* %tmp to i8* + call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %tmp1) + %tmp2 = load i32, i32* @cond, align 4, !tbaa !2 + %tmp3 = icmp eq i32 %tmp2, 0 + br i1 %tmp3, label %bb4, label %bb9 + +bb4: ; preds = %bb + %foo = icmp eq i32 %tmp2, 0 + br i1 %foo, label %bb5, label %bb9 + +bb5: ; preds = %bb4 + call void @_ZN1A7memfuncEv(%class.A* nonnull %tmp) + %tmp5 = getelementptr inbounds %class.A, %class.A* %tmp, i64 0, i32 0 + %tmp6 = load i32, i32* %tmp5, align 4, !tbaa !6 + %tmp7 = icmp sgt i32 %tmp6, 0 + br i1 %tmp7, label %bb9, label %bb8 + +bb8: ; preds = %bb4 + call void @_ZN1A7memfuncEv(%class.A* nonnull %tmp) + br label %bb9 + +bb9: ; preds = %bb8, %bb4, %bb + call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %tmp1) + ret void +} + +; Function Attrs: argmemonly nounwind +declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) + +declare void @_ZN1A7memfuncEv(%class.A*) local_unnamed_addr + +; Function Attrs: argmemonly nounwind +declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) + +; Function Attrs: uwtable +define void @_Z3goov() local_unnamed_addr { +bb: + tail call void @_Z3foov() + ret void +} + +; CHECK-LABEL: define internal void @_Z3foov.1. +; CHECK: bb9: +; CHECK: call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %tmp1) +; CHECK: br label %.exitStub + + + +!llvm.module.flags = !{!0} +!llvm.ident = !{!1} + +!0 = !{i32 1, !"wchar_size", i32 4} +!1 = !{!"clang version 5.0.0 (trunk 304489)"} +!2 = !{!3, !3, i64 0} +!3 = !{!"int", !4, i64 0} +!4 = !{!"omnipotent char", !5, i64 0} +!5 = !{!"Simple C++ TBAA"} +!6 = !{!7, !3, i64 0} +!7 = !{!"_ZTS1A", !3, i64 0} |