Imported Upstream version 5.18.0.234

Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f

external/llvm/test/Instrumentation/AddressSanitizer/stack-poisoning-byval-args.ll

@@ -1,52 +0,0 @@
-; This check verifies that arguments passed by value get redzones.
-; RUN: opt < %s -asan -asan-realign-stack=32 -S | FileCheck %s
-; RUN: opt < %s -asan -asan-realign-stack=32 -asan-force-dynamic-shadow -S | FileCheck %s
-; RUN: opt < %s -asan -asan-realign-stack=32 -asan-mapping-scale=5 -S | FileCheck %s
-; RUN: opt < %s -asan -asan-realign-stack=32 -asan-force-dynamic-shadow -asan-mapping-scale=5 -S | FileCheck %s
-
-
-target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
-target triple = "x86_64-unknown-linux-gnu"
-
-%struct.A = type { [8 x i32] }
-
-declare i32 @bar(%struct.A*)
-
-; Test behavior for named argument with explicit alignment.  The memcpy and
-; alloca alignments should match the explicit alignment of 64.
-define void @foo(%struct.A* byval align 64 %a) sanitize_address {
-entry:
-; CHECK-LABEL: foo
-; CHECK: call i64 @__asan_stack_malloc
-; CHECK: alloca i8, i64 {{.*}} align 64
-; CHECK: [[copyPtr:%[^ \t]+]] = inttoptr i64 %{{[^ \t]+}} to %struct.A*
-; CHECK: [[copyBytePtr:%[^ \t]+]] = bitcast %struct.A* [[copyPtr]]
-; CHECK: [[aBytePtr:%[^ \t]+]] = bitcast %struct.A* %a
-; CHECK: call void @llvm.memcpy{{[^%]+}}[[copyBytePtr]]{{[^%]+}}[[aBytePtr]],{{[^,]+}}, i32 64
-; CHECK: call i32 @bar(%struct.A* [[copyPtr]])
-; CHECK: ret void
-
-  %call = call i32 @bar(%struct.A* %a)
-  ret void
-}
-
-; Test behavior for unnamed argument without explicit alignment.  In this case,
-; the first argument is referenced by the identifier %0 and the ABI requires a
-; minimum alignment of 4 bytes since struct.A contains i32s which have 4-byte
-; alignment.  However, the alloca alignment will be 32 since that is the value
-; passed via the -asan-realign-stack option, which is greater than 4.
-define void @baz(%struct.A* byval) sanitize_address {
-entry:
-; CHECK-LABEL: baz
-; CHECK: call i64 @__asan_stack_malloc
-; CHECK: alloca i8, i64 {{.*}} align 32
-; CHECK: [[copyPtr:%[^ \t]+]] = inttoptr i64 %{{[^ \t]+}} to %struct.A*
-; CHECK: [[copyBytePtr:%[^ \t]+]] = bitcast %struct.A* [[copyPtr]]
-; CHECK: [[aBytePtr:%[^ \t]+]] = bitcast %struct.A* %0
-; CHECK: call void @llvm.memcpy{{[^%]+}}[[copyBytePtr]]{{[^%]+}}[[aBytePtr]],{{[^,]+}}, i32 4
-; CHECK: call i32 @bar(%struct.A* [[copyPtr]])
-; CHECK: ret void
-
-  %call = call i32 @bar(%struct.A* %0)
-  ret void
-}