Imported Upstream version 5.18.0.207

Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449

external/llvm/test/Transforms/Inline/arg-attr-propagation.ll

@@ -1,50 +0,0 @@
-; RUN: opt -inline -S < %s | FileCheck %s
-
-; The callee guarantees that the pointer argument is nonnull and dereferenceable.
-; That information should transfer to the caller.
-
-define i32 @callee(i32* dereferenceable(32) %t1) {
-; CHECK-LABEL: @callee(i32* dereferenceable(32) %t1)
-; CHECK-NEXT:    [[T2:%.*]] = load i32, i32* %t1
-; CHECK-NEXT:    ret i32 [[T2]]
-;
-  %t2 = load i32, i32* %t1
-  ret i32 %t2
-}
-
-; FIXME: All dereferenceability information is lost.
-; The caller argument could be known nonnull and dereferenceable(32).
-
-define i32 @caller1(i32* %t1) {
-; CHECK-LABEL: @caller1(i32* %t1)
-; CHECK-NEXT:    [[T2_I:%.*]] = load i32, i32* %t1
-; CHECK-NEXT:    ret i32 [[T2_I]]
-;
-  %t2 = tail call i32 @callee(i32* dereferenceable(32) %t1)
-  ret i32 %t2
-}
-
-; The caller argument is nonnull, but that can be explicit.
-; The dereferenceable amount could be increased.
-
-define i32 @caller2(i32* dereferenceable(31) %t1) {
-; CHECK-LABEL: @caller2(i32* dereferenceable(31) %t1)
-; CHECK-NEXT:    [[T2_I:%.*]] = load i32, i32* %t1
-; CHECK-NEXT:    ret i32 [[T2_I]]
-;
-  %t2 = tail call i32 @callee(i32* dereferenceable(32) %t1)
-  ret i32 %t2
-}
-
-; The caller argument is nonnull, but that can be explicit.
-; Make sure that we don't propagate a smaller dereferenceable amount.
-
-define i32 @caller3(i32* dereferenceable(33) %t1) {
-; CHECK-LABEL: @caller3(i32* dereferenceable(33) %t1)
-; CHECK-NEXT:    [[T2_I:%.*]] = load i32, i32* %t1
-; CHECK-NEXT:    ret i32 [[T2_I]]
-;
-  %t2 = tail call i32 @callee(i32* dereferenceable(32) %t1)
-  ret i32 %t2
-}
-