================
@@ -0,0 +1,32 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
UTC_ARGS: --version 5
+// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa-gnu -target-cpu gfx900 -emit-llvm
-o - %s | FileCheck %s
+
+struct X { int z[17]; };
+
+// CHECK-LABEL: define dso_local void @_Z3foocc(
+// CHECK-SAME: ptr addrspace(5) dead_on_unwind noalias writable
sret([[STRUCT_X:%.*]]) align 4 [[AGG_RESULT:%.*]], i8 noundef signext
[[X:%.*]], i8 noundef signext [[Y:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-NEXT: [[ENTRY:.*:]]
+// CHECK-NEXT: [[X_ADDR:%.*]] = alloca i8, align 1, addrspace(5)
+// CHECK-NEXT: [[Y_ADDR:%.*]] = alloca i8, align 1, addrspace(5)
+// CHECK-NEXT: [[X_ADDR_ASCAST:%.*]] = addrspacecast ptr addrspace(5)
[[X_ADDR]] to ptr
+// CHECK-NEXT: [[Y_ADDR_ASCAST:%.*]] = addrspacecast ptr addrspace(5)
[[Y_ADDR]] to ptr
+// CHECK-NEXT: store i8 [[X]], ptr [[X_ADDR_ASCAST]], align 1
+// CHECK-NEXT: store i8 [[Y]], ptr [[Y_ADDR_ASCAST]], align 1
+// CHECK-NEXT: [[TMP0:%.*]] = load i8, ptr [[X_ADDR_ASCAST]], align 1
+// CHECK-NEXT: [[AGG_RESULT_ASCAST:%.*]] = addrspacecast ptr addrspace(5)
[[AGG_RESULT]] to ptr
+// CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, ptr
[[AGG_RESULT_ASCAST]], i64 1
+// CHECK-NEXT: store i8 [[TMP0]], ptr [[ADD_PTR]], align 1
+// CHECK-NEXT: [[TMP1:%.*]] = load i8, ptr [[Y_ADDR_ASCAST]], align 1
+// CHECK-NEXT: [[AGG_RESULT_ASCAST1:%.*]] = addrspacecast ptr addrspace(5)
[[AGG_RESULT]] to ptr
+// CHECK-NEXT: [[ADD_PTR2:%.*]] = getelementptr inbounds i8, ptr
[[AGG_RESULT_ASCAST1]], i64 2
+// CHECK-NEXT: store i8 [[TMP1]], ptr [[ADD_PTR2]], align 1
+// CHECK-NEXT: ret void
+//
+X foo(char x, char y) {
+ X r;
+
+ *(((char*)&r) + 1) = x;
+ *(reinterpret_cast<char*>(&r) + 2) = y;
+
+ return r;
+}
----------------
AlexVlx wrote:
I believe those are fine since they're not implicit / manufactured and they
already get AS-casted to generic as part of normal handling:
<https://gcc.godbolt.org/z/df3TE8d19>.
https://github.com/llvm/llvm-project/pull/128166
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