diff options
Diffstat (limited to 'test/Analysis/BasicAA/call-attrs.ll')
| -rw-r--r-- | test/Analysis/BasicAA/call-attrs.ll | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/test/Analysis/BasicAA/call-attrs.ll b/test/Analysis/BasicAA/call-attrs.ll new file mode 100644 index 000000000000..9cd17e486799 --- /dev/null +++ b/test/Analysis/BasicAA/call-attrs.ll @@ -0,0 +1,42 @@ +; RUN: opt < %s -basicaa -aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s + +declare void @readonly_attr(i8* readonly nocapture) +declare void @writeonly_attr(i8* writeonly nocapture) +declare void @readnone_attr(i8* readnone nocapture) + +declare void @readonly_func(i8* nocapture) readonly +declare void @writeonly_func(i8* nocapture) writeonly +declare void @readnone_func(i8* nocapture) readnone + +declare void @read_write(i8* writeonly nocapture, i8* readonly nocapture, i8* readnone nocapture) + +declare void @func() + +define void @test(i8* noalias %p) { +entry: + call void @readonly_attr(i8* %p) + call void @readonly_func(i8* %p) + + call void @writeonly_attr(i8* %p) + call void @writeonly_func(i8* %p) + + call void @readnone_attr(i8* %p) + call void @readnone_func(i8* %p) + + call void @read_write(i8* %p, i8* %p, i8* %p) + + call void @func() ["deopt" (i8* %p)] + call void @writeonly_attr(i8* %p) ["deopt" (i8* %p)] + + ret void +} + +; CHECK: Just Ref: Ptr: i8* %p <-> call void @readonly_attr(i8* %p) +; CHECK: Just Ref: Ptr: i8* %p <-> call void @readonly_func(i8* %p) +; CHECK: Just Mod: Ptr: i8* %p <-> call void @writeonly_attr(i8* %p) +; CHECK: Just Mod: Ptr: i8* %p <-> call void @writeonly_func(i8* %p) +; CHECK: NoModRef: Ptr: i8* %p <-> call void @readnone_attr(i8* %p) +; CHECK: NoModRef: Ptr: i8* %p <-> call void @readnone_func(i8* %p) +; CHECK: Both ModRef: Ptr: i8* %p <-> call void @read_write(i8* %p, i8* %p, i8* %p) +; CHECK: Just Ref: Ptr: i8* %p <-> call void @func() [ "deopt"(i8* %p) ] +; CHECK: Both ModRef: Ptr: i8* %p <-> call void @writeonly_attr(i8* %p) [ "deopt"(i8* %p) ] |