check_access_address.ll 926 B

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