0x0200000000000, // OriginBase
};
+// loongarch64 Linux
+static const MemoryMapParams Linux_LoongArch64_MemoryMapParams = {
+ 0, // AndMask (not used)
+ 0x500000000000, // XorMask
+ 0, // ShadowBase (not used)
+ 0x100000000000, // OriginBase
+};
+
// aarch64 FreeBSD
static const MemoryMapParams FreeBSD_AArch64_MemoryMapParams = {
0x1800000000000, // AndMask
&Linux_AArch64_MemoryMapParams,
};
+static const PlatformMemoryMapParams Linux_LoongArch_MemoryMapParams = {
+ nullptr,
+ &Linux_LoongArch64_MemoryMapParams,
+};
+
static const PlatformMemoryMapParams FreeBSD_ARM_MemoryMapParams = {
nullptr,
&FreeBSD_AArch64_MemoryMapParams,
case Triple::aarch64_be:
MapParams = Linux_ARM_MemoryMapParams.bits64;
break;
+ case Triple::loongarch64:
+ MapParams = Linux_LoongArch_MemoryMapParams.bits64;
+ break;
default:
report_fatal_error("unsupported architecture");
}
--- /dev/null
+; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1
+; Test that code using va_start can be compiled on LoongArch.
+
+target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n64-S128"
+target triple = "loongarch64-unknown-linux-gnu"
+
+define void @VaStart(ptr %s, ...) {
+entry:
+ %vl = alloca ptr, align 4
+ call void @llvm.va_start(ptr %vl)
+ ret void
+}
+
+declare void @llvm.va_start(ptr)