[asan] Skip promotable allocas to improve performance at -O0

[oota-llvm.git] / test / Instrumentation / AddressSanitizer / debug_info.ll

diff --git a/test/Instrumentation/AddressSanitizer/debug_info.ll b/test/Instrumentation/AddressSanitizer/debug_info.ll
index c0939c5815d4512e04f11eb0a15ab3689b5ccd1b..9bfa8c1e06c4bb39a7b5ba4b880d4767c32014a6 100644 (file)
--- a/test/Instrumentation/AddressSanitizer/debug_info.ll
+++ b/test/Instrumentation/AddressSanitizer/debug_info.ll
@@ -10,12 +10,12 @@ define i32 @_Z3zzzi(i32 %p) nounwind uwtable sanitize_address {
 entry:
   %p.addr = alloca i32, align 4
   %r = alloca i32, align 4
-  store i32 %p, i32* %p.addr, align 4
+  store volatile i32 %p, i32* %p.addr, align 4
   call void @llvm.dbg.declare(metadata i32* %p.addr, metadata !10, metadata !{!"0x102"}), !dbg !11
   call void @llvm.dbg.declare(metadata i32* %r, metadata !12, metadata !{!"0x102"}), !dbg !14
   %0 = load i32* %p.addr, align 4, !dbg !14
   %add = add nsw i32 %0, 1, !dbg !14
-  store i32 %add, i32* %r, align 4, !dbg !14
+  store volatile i32 %add, i32* %r, align 4, !dbg !14
   %1 = load i32* %r, align 4, !dbg !15
   ret i32 %1, !dbg !15
 }