================
@@ -0,0 +1,135 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 
UTC_ARGS: --version 6
+; RUN: opt -S -mtriple=spirv64-- --passes=expand-variadics 
--expand-variadics-override=lowering < %s | FileCheck %s
+
+%struct.S = type { i64, i64 }
+%struct.anon = type { i32, i8, i32 }
+%struct.anon.0 = type { i8, i8 }
+
+@__const.foo.a = private unnamed_addr addrspace(1) constant { i32, i8, [3 x 
i8], i32 } { i32 1, i8 1, [3 x i8] zeroinitializer, i32 1 }, align 4
+@__const.bar.s = private unnamed_addr addrspace(1) constant %struct.S { i64 1, 
i64 1 }, align 8
+
+define spir_func void @foo() {
+; CHECK-LABEL: define spir_func void @foo() {
+; CHECK-NEXT:  [[ENTRY:.*:]]
+; CHECK-NEXT:    [[C:%.*]] = alloca i8, align 1
+; CHECK-NEXT:    [[S:%.*]] = alloca i16, align 2
+; CHECK-NEXT:    [[I:%.*]] = alloca i32, align 4
+; CHECK-NEXT:    [[L:%.*]] = alloca i64, align 8
+; CHECK-NEXT:    [[F:%.*]] = alloca float, align 4
+; CHECK-NEXT:    [[D:%.*]] = alloca double, align 8
+; CHECK-NEXT:    [[A:%.*]] = alloca [[STRUCT_ANON:%.*]], align 4
+; CHECK-NEXT:    [[V:%.*]] = alloca <4 x i32>, align 16
+; CHECK-NEXT:    [[T:%.*]] = alloca [[STRUCT_ANON_0:%.*]], align 1
+; CHECK-NEXT:    [[VARARG_BUFFER:%.*]] = alloca [[FOO_VARARG:%.*]], align 4
+; CHECK-NEXT:    [[VARARG_BUFFER1:%.*]] = alloca [[FOO_VARARG_0:%.*]], align 16
+; CHECK-NEXT:    [[VARARG_BUFFER2:%.*]] = alloca [[FOO_VARARG_1:%.*]], align 4
+; CHECK-NEXT:    [[VARARG_BUFFER3:%.*]] = alloca [[FOO_VARARG_2:%.*]], align 8
+; CHECK-NEXT:    [[VARARG_BUFFER4:%.*]] = alloca [[FOO_VARARG_3:%.*]], align 8
----------------
MrSidims wrote:

Lets spell check for the types explicitly, it's a bit hard to restore vararg 
structure type (for me as a reviewer) looking at GEPs followed by load/stores. 
Meanwhile ensuring, that the type was created correctly is crucial. 

https://github.com/llvm/llvm-project/pull/175076
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