Initializers[i] = Initializer;
}
+ // Add instrumented globals to llvm.compiler.used list to avoid LTO from
+ // ConstantMerge'ing them.
+ SmallVector<GlobalValue *, 16> GlobalsToAddToUsedList;
+ for (size_t i = 0; i < n; i++) {
+ GlobalVariable *G = NewGlobals[i];
+ if (G->getName().empty()) continue;
+ GlobalsToAddToUsedList.push_back(G);
+ }
+ appendToCompilerUsed(M, ArrayRef<GlobalValue *>(GlobalsToAddToUsedList));
+
std::string ELFUniqueModuleId =
(UseGlobalsGC && TargetTriple.isOSBinFormatELF()) ? getUniqueModuleId(&M)
: "";
--- /dev/null
+; RUN: opt < %s -asan -asan-module -S | FileCheck %s
+; RUN: opt < %s -asan -asan-module -constmerge -S | FileCheck %s
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-apple-macosx10.11.0"
+
+%struct = type { i64, i64 }
+
+@a = private unnamed_addr constant %struct { i64 16, i64 16 }, align 8
+@b = private unnamed_addr constant %struct { i64 16, i64 16 }, align 8
+
+; CHECK: @a = {{.*}} %struct
+; CHECK: @b = {{.*}} %struct
+
+; CHECK: @llvm.compiler.used =
+; CHECK-SAME: i8* bitcast ({ %struct, [48 x i8] }* @a to i8*)
+; CHECK-SAME: i8* bitcast ({ %struct, [48 x i8] }* @b to i8*)
+
+define i32 @main(i32, i8** nocapture readnone) {
+ %3 = alloca %struct, align 8
+ %4 = alloca %struct, align 8
+ %5 = bitcast %struct* %3 to i8*
+ call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull %5, i8* bitcast (%struct* @a to i8*), i64 16, i32 8, i1 false)
+ %6 = bitcast %struct* %4 to i8*
+ call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull %6, i8* bitcast (%struct* @b to i8*), i64 16, i32 8, i1 false)
+ call void asm sideeffect "", "r,r,~{dirflag},~{fpsr},~{flags}"(%struct* nonnull %3, %struct* nonnull %4)
+ ret i32 0
+}
+
+declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i32, i1)