diff options
Diffstat (limited to 'test/Analysis')
-rw-r--r-- | test/Analysis/TypeBasedAliasAnalysis/aliastest.ll | 58 | ||||
-rw-r--r-- | test/Analysis/TypeBasedAliasAnalysis/dg.exp | 3 |
2 files changed, 61 insertions, 0 deletions
diff --git a/test/Analysis/TypeBasedAliasAnalysis/aliastest.ll b/test/Analysis/TypeBasedAliasAnalysis/aliastest.ll new file mode 100644 index 0000000..5ea2e3f --- /dev/null +++ b/test/Analysis/TypeBasedAliasAnalysis/aliastest.ll @@ -0,0 +1,58 @@ +; RUN: opt < %s -tbaa -gvn -S | FileCheck %s + +; CHECK: @test0_yes +; CHECK: add i8 %x, %x +define i8 @test0_yes(i8* %a, i8* %b) nounwind { + %x = load i8* %a, !tbaa !1 + store i8 0, i8* %b, !tbaa !2 + %y = load i8* %a, !tbaa !1 + %z = add i8 %x, %y + ret i8 %z +} + +; CHECK: @test0_no +; CHECK: add i8 %x, %y +define i8 @test0_no(i8* %a, i8* %b) nounwind { + %x = load i8* %a, !tbaa !3 + store i8 0, i8* %b, !tbaa !4 + %y = load i8* %a, !tbaa !3 + %z = add i8 %x, %y + ret i8 %z +} + +; CHECK: @test1_yes +; CHECK: add i8 %x, %x +define i8 @test1_yes(i8* %a, i8* %b) nounwind { + %x = load i8* %a, !tbaa !5 + store i8 0, i8* %b + %y = load i8* %a, !tbaa !5 + %z = add i8 %x, %y + ret i8 %z +} + +; CHECK: @test1_no +; CHECK: add i8 %x, %y +define i8 @test1_no(i8* %a, i8* %b) nounwind { + %x = load i8* %a, !tbaa !6 + store i8 0, i8* %b + %y = load i8* %a, !tbaa !6 + %z = add i8 %x, %y + ret i8 %z +} + +; Root note. +!0 = metadata !{ } +; Some type. +!1 = metadata !{ metadata !"foo", metadata !0 } +; Some other non-aliasing type. +!2 = metadata !{ metadata !"bar", metadata !0 } + +; Some type. +!3 = metadata !{ metadata !"foo", metadata !0 } +; Some type in a different type system. +!4 = metadata !{ metadata !"bar", metadata !"different" } + +; Invariant memory. +!5 = metadata !{ metadata !"qux", metadata !0, i1 1 } +; Not invariant memory. +!6 = metadata !{ metadata !"qux", metadata !0, i1 0 } diff --git a/test/Analysis/TypeBasedAliasAnalysis/dg.exp b/test/Analysis/TypeBasedAliasAnalysis/dg.exp new file mode 100644 index 0000000..f200589 --- /dev/null +++ b/test/Analysis/TypeBasedAliasAnalysis/dg.exp @@ -0,0 +1,3 @@ +load_lib llvm.exp + +RunLLVMTests [lsort [glob -nocomplain $srcdir/$subdir/*.{ll,c,cpp}]] |