[KeyInstr][Clang] Coerced ptr to int atom

Author: OCHyams

clang/lib/CodeGen/CGCall.cpp

@@ -1400,7 +1400,8 @@ void CodeGenFunction::CreateCoercedStore(llvm::Value *Src, Address Dst,
         SrcSize == CGM.getDataLayout().getTypeAllocSize(Dst.getElementType())) {
       // If the value is supposed to be a pointer, convert it before storing it.
       Src = CoerceIntOrPtrToIntOrPtr(Src, Dst.getElementType(), *this);
-      Builder.CreateStore(Src, Dst, DstIsVolatile);
+      auto *I = Builder.CreateStore(Src, Dst, DstIsVolatile);
+      addInstToCurrentSourceAtom(I, Src);
     } else if (llvm::StructType *STy =
                    dyn_cast<llvm::StructType>(Src->getType())) {
       // Prefer scalar stores to first-class aggregate stores.

clang/test/KeyInstructions/coerced-ptr.c

@@ -0,0 +1,21 @@
+// RUN: %clang -gkey-instructions -gno-column-info -x c++ %s -gmlt -S -emit-llvm -o - -target x86_64-windows-msvc \
+// RUN: | FileCheck %s --implicit-check-not atomGroup --implicit-check-not atomRank
+
+// RUN: %clang -gkey-instructions -gno-column-info -x c %s -gmlt -S -emit-llvm -o - -target x86_64-windows-msvc \
+// RUN: | FileCheck %s --implicit-check-not atomGroup --implicit-check-not atomRank
+
+typedef struct { int *p; } Ptr;
+Ptr getPtr();
+void f() {
+// CHECK: %call = call i64{{.*}}, !dbg [[G1R3:!.*]]
+// CHECK: [[gep:%.*]] = getelementptr inbounds nuw %struct.Ptr, ptr %p, i32 0, i32 0
+// CHECK: [[i2p:%.*]] = inttoptr i64 %call to ptr, !dbg [[G1R2:!.*]]
+// CHECK: store ptr [[i2p]], ptr [[gep]], align 8, !dbg [[G1R1:!.*]]
+    Ptr p = getPtr();
+// CHECK: ret void, !dbg [[G2R1:!.*]]
+}
+
+// CHECK: [[G1R3]] = !DILocation({{.*}}, atomGroup: 1, atomRank: 3)
+// CHECK: [[G1R2]] = !DILocation({{.*}}, atomGroup: 1, atomRank: 2)
+// CHECK: [[G1R1]] = !DILocation({{.*}}, atomGroup: 1, atomRank: 1)
+// CHECK: [[G2R1]] = !DILocation({{.*}}, atomGroup: 2, atomRank: 1)