1 ; RUN: opt < %s -msan -msan-check-access-address=1 -S | FileCheck %s 2 3 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-S128" 4 target triple = "x86_64-unknown-linux-gnu" 5 6 7 ; Test byval argument shadow alignment 8 9 define <2 x i64> @ByValArgumentShadowLargeAlignment(<2 x i64>* byval %p) sanitize_memory { 10 entry: 11 %x = load <2 x i64>, <2 x i64>* %p 12 ret <2 x i64> %x 13 } 14 15 ; CHECK-LABEL: @ByValArgumentShadowLargeAlignment 16 ; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* {{.*}}, i8* {{.*}}, i64 16, i32 8, i1 false) 17 ; CHECK: ret <2 x i64> 18 19 20 define i16 @ByValArgumentShadowSmallAlignment(i16* byval %p) sanitize_memory { 21 entry: 22 %x = load i16, i16* %p 23 ret i16 %x 24 } 25 26 ; CHECK-LABEL: @ByValArgumentShadowSmallAlignment 27 ; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* {{.*}}, i8* {{.*}}, i64 2, i32 2, i1 false) 28 ; CHECK: ret i16 29