[PATCH] D156840: [CaptureTracking] Add tests for allowing non-void `noalias` return funcs to be non-capturing; NFC

[Noah Goldstein via Phabricator via llvm-commits]

goldstein.w.n updated this revision to Diff 546497.
goldstein.w.n added a comment.

Don't delete existing test


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D156840/new/

https://reviews.llvm.org/D156840

Files:
  llvm/test/Transforms/FunctionAttrs/nocapture.ll


Index: llvm/test/Transforms/FunctionAttrs/nocapture.ll
===================================================================
--- llvm/test/Transforms/FunctionAttrs/nocapture.ll
+++ llvm/test/Transforms/FunctionAttrs/nocapture.ll
@@ -559,13 +559,32 @@
 define void @readnone_indirec(ptr %f, ptr %p) {
 ; CHECK-LABEL: define void @readnone_indirec
 ; CHECK-SAME: (ptr nocapture readonly [[F:%.*]], ptr readnone [[P:%.*]]) #[[ATTR18:[0-9]+]] {
-; CHECK-NEXT:    call void [[F]](ptr [[P]]) #[[ATTR21:[0-9]+]]
+; CHECK-NEXT:    call void [[F]](ptr [[P]]) #[[ATTR22:[0-9]+]]
 ; CHECK-NEXT:    ret void
 ;
   call void %f(ptr %p) readnone
   ret void
 }
 
+define ptr @noalias_ret(ptr %f, ptr %p) {
+; CHECK-LABEL: define ptr @noalias_ret
+; CHECK-SAME: (ptr nocapture readonly [[F:%.*]], ptr readonly [[P:%.*]]) #[[ATTR5]] {
+; CHECK-NEXT:    [[R:%.*]] = call noalias ptr [[F]](ptr [[P]]) #[[ATTR8]]
+; CHECK-NEXT:    ret ptr [[R]]
+;
+  %r = call noalias ptr %f(ptr %p) readonly nounwind
+  ret ptr %r
+}
+
+define ptr @noalias_ret_fail(ptr %f, ptr %p) {
+; CHECK-LABEL: define ptr @noalias_ret_fail
+; CHECK-SAME: (ptr nocapture readonly [[F:%.*]], ptr readonly [[P:%.*]]) #[[ATTR19:[0-9]+]] {
+; CHECK-NEXT:    [[R:%.*]] = call noalias ptr [[F]](ptr [[P]]) #[[ATTR23:[0-9]+]]
+; CHECK-NEXT:    ret ptr [[R]]
+;
+  %r = call noalias ptr %f(ptr %p) readonly willreturn
+  ret ptr %r
+}
 
 declare ptr @llvm.launder.invariant.group.p0(ptr)
 declare ptr @llvm.strip.invariant.group.p0(ptr)


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