1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5 2; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck %s 3; Test that code using va_start can be compiled on LoongArch. 4 5target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n64-S128" 6target triple = "loongarch64-unknown-linux-gnu" 7 8define void @VaStart(ptr %s, ...) { 9; CHECK-LABEL: define void @VaStart( 10; CHECK-SAME: ptr [[S:%.*]], ...) { 11; CHECK-NEXT: [[ENTRY:.*:]] 12; CHECK-NEXT: [[TMP1:%.*]] = load i64, ptr @__msan_va_arg_overflow_size_tls, align 8 13; CHECK-NEXT: [[TMP2:%.*]] = alloca i8, i64 [[TMP1]], align 8 14; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 8 [[TMP2]], i8 0, i64 [[TMP1]], i1 false) 15; CHECK-NEXT: [[TMP3:%.*]] = call i64 @llvm.umin.i64(i64 [[TMP1]], i64 800) 16; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr align 8 [[TMP2]], ptr align 8 @__msan_va_arg_tls, i64 [[TMP3]], i1 false) 17; CHECK-NEXT: call void @llvm.donothing() 18; CHECK-NEXT: [[VL:%.*]] = alloca ptr, align 4 19; CHECK-NEXT: [[TMP4:%.*]] = ptrtoint ptr [[VL]] to i64 20; CHECK-NEXT: [[TMP5:%.*]] = xor i64 [[TMP4]], 87960930222080 21; CHECK-NEXT: [[TMP6:%.*]] = inttoptr i64 [[TMP5]] to ptr 22; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 4 [[TMP6]], i8 0, i64 8, i1 false) 23; CHECK-NEXT: [[TMP7:%.*]] = ptrtoint ptr [[VL]] to i64 24; CHECK-NEXT: [[TMP8:%.*]] = xor i64 [[TMP7]], 87960930222080 25; CHECK-NEXT: [[TMP9:%.*]] = inttoptr i64 [[TMP8]] to ptr 26; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 8 [[TMP9]], i8 0, i64 8, i1 false) 27; CHECK-NEXT: call void @llvm.va_start.p0(ptr [[VL]]) 28; CHECK-NEXT: [[TMP10:%.*]] = ptrtoint ptr [[VL]] to i64 29; CHECK-NEXT: [[TMP11:%.*]] = inttoptr i64 [[TMP10]] to ptr 30; CHECK-NEXT: [[TMP12:%.*]] = load ptr, ptr [[TMP11]], align 8 31; CHECK-NEXT: [[TMP13:%.*]] = ptrtoint ptr [[TMP12]] to i64 32; CHECK-NEXT: [[TMP14:%.*]] = xor i64 [[TMP13]], 87960930222080 33; CHECK-NEXT: [[TMP15:%.*]] = inttoptr i64 [[TMP14]] to ptr 34; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr align 8 [[TMP15]], ptr align 8 [[TMP2]], i64 [[TMP1]], i1 false) 35; CHECK-NEXT: ret void 36; 37entry: 38 %vl = alloca ptr, align 4 39 call void @llvm.va_start(ptr %vl) 40 ret void 41} 42 43declare void @llvm.va_start(ptr) 44