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-rw-r--r--test/Instrumentation/MemorySanitizer/msan_basic.ll11
1 files changed, 9 insertions, 2 deletions
diff --git a/test/Instrumentation/MemorySanitizer/msan_basic.ll b/test/Instrumentation/MemorySanitizer/msan_basic.ll
index cd20329..20957fb 100644
--- a/test/Instrumentation/MemorySanitizer/msan_basic.ll
+++ b/test/Instrumentation/MemorySanitizer/msan_basic.ll
@@ -56,7 +56,7 @@ entry:
; CHECK-ORIGINS: icmp
; CHECK-ORIGINS: br i1
; CHECK-ORIGINS: <label>
-; CHECK-ORIGINS-NOT: store {{.*}} align
+; CHECK-ORIGINS: store {{.*}} align 32
; CHECK-ORIGINS: br label
; CHECK-ORIGINS: <label>
; CHECK-ORIGINS: store {{.*}} align 32
@@ -362,7 +362,8 @@ define zeroext i1 @ICmpSLE(i32 %x) nounwind uwtable readnone {
; CHECK: ret i1
-; Check that loads from shadow have the same aligment as the original loads.
+; Check that loads of shadow have the same aligment as the original loads.
+; Check that loads of origin have the aligment of max(4, original alignment).
define i32 @ShadowLoadAlignmentLarge() nounwind uwtable {
%y = alloca i32, align 64
@@ -386,6 +387,12 @@ define i32 @ShadowLoadAlignmentSmall() nounwind uwtable {
; CHECK: load volatile i32* {{.*}} align 2
; CHECK: ret i32
+; CHECK-ORIGINS: @ShadowLoadAlignmentSmall
+; CHECK-ORIGINS: load i32* {{.*}} align 2
+; CHECK-ORIGINS: load i32* {{.*}} align 4
+; CHECK-ORIGINS: load volatile i32* {{.*}} align 2
+; CHECK-ORIGINS: ret i32
+
; Test vector manipulation instructions.
; Check that the same bit manipulation is applied to the shadow values.