[llvm] [MSan] Copy tests for 32-bit architectures (PR #111835)

[Vitaly Buka via llvm-commits]

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@@ -0,0 +1,92 @@
+; RUN: opt < %s -S -passes=msan 2>&1 | FileCheck %s
+
+target datalayout = "E-m:m-i8:8:32-i16:16:32-i64:64-n32:64-S128"
+target triple = "mips64--linux"
+
+define i32 @foo(i32 %guard, ...) {
+  %vl = alloca ptr, align 8
+  call void @llvm.lifetime.start.p0(i64 32, ptr %vl)
+  call void @llvm.va_start(ptr %vl)
+  call void @llvm.va_end(ptr %vl)
+  call void @llvm.lifetime.end.p0(i64 32, ptr %vl)
+  ret i32 0
+}
+
+; First, check allocation of the save area.
+
+; CHECK-LABEL: @foo
+; CHECK: [[A:%.*]] = load {{.*}} @__msan_va_arg_overflow_size_tls
+; CHECK: [[B:%.*]] = add i64 0, [[A]]
+; CHECK: [[C:%.*]] = alloca {{.*}} [[B]]
+
+; CHECK: call void @llvm.memset.p0.i64(ptr align 8 [[C]], i8 0, i64 [[B]], i1 false)
+
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vitalybuka wrote:

I suggest before changing triple, in next RP convert all copied tests into llvm/utils/update_test_checks.py

https://github.com/llvm/llvm-project/pull/111835