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authorAmy Huang <akhuang@google.com>2019-05-02 20:07:35 +0000
committerAmy Huang <akhuang@google.com>2019-05-02 20:07:35 +0000
commitc1150d547616902e07d68c5b51f466bac8ff1883 (patch)
tree4c83ce5327bbf41dae2972bf4ad00b378ec21f9c
parent88767d874da80da9730a6610302dee8a559a4a7e (diff)
Change the metadata for heapallocsite calls when the type is cast.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@359823 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/CodeGen/CGCall.cpp1
-rw-r--r--lib/CodeGen/CGExprScalar.cpp6
-rw-r--r--test/CodeGen/debug-info-codeview-heapallocsite.c28
3 files changed, 18 insertions, 17 deletions
diff --git a/lib/CodeGen/CGCall.cpp b/lib/CodeGen/CGCall.cpp
index ed58255231..b837fa486a 100644
--- a/lib/CodeGen/CGCall.cpp
+++ b/lib/CodeGen/CGCall.cpp
@@ -4370,7 +4370,6 @@ RValue CodeGenFunction::EmitCall(const CGFunctionInfo &CallInfo,
}
// Add metadata for calls to MSAllocator functions
- // FIXME: Get the type that the return value is cast to.
if (getDebugInfo() && TargetDecl &&
TargetDecl->hasAttr<MSAllocatorAttr>())
getDebugInfo()->addHeapAllocSiteMetadata(CI, RetTy, Loc);
diff --git a/lib/CodeGen/CGExprScalar.cpp b/lib/CodeGen/CGExprScalar.cpp
index 83e9349492..777e1dc893 100644
--- a/lib/CodeGen/CGExprScalar.cpp
+++ b/lib/CodeGen/CGExprScalar.cpp
@@ -2063,6 +2063,12 @@ Value *ScalarExprEmitter::VisitCastExpr(CastExpr *CE) {
}
}
+ // Update heapallocsite metadata when there is an explicit cast.
+ if (llvm::CallInst *CI = dyn_cast<llvm::CallInst>(Src))
+ if (CI->getMetadata("heapallocsite") && isa<ExplicitCastExpr>(CE))
+ CGF.getDebugInfo()->
+ addHeapAllocSiteMetadata(CI, CE->getType(), CE->getExprLoc());
+
return Builder.CreateBitCast(Src, DstTy);
}
case CK_AddressSpaceConversion: {
diff --git a/test/CodeGen/debug-info-codeview-heapallocsite.c b/test/CodeGen/debug-info-codeview-heapallocsite.c
index a0a7e3b71c..dfc0d19b25 100644
--- a/test/CodeGen/debug-info-codeview-heapallocsite.c
+++ b/test/CodeGen/debug-info-codeview-heapallocsite.c
@@ -1,27 +1,23 @@
// RUN: %clang_cc1 -triple x86_64-windows-msvc -debug-info-kind=limited -gcodeview -fdeclspec -S -emit-llvm < %s | FileCheck %s
-struct Foo {
- int x;
-};
+struct Foo;
+struct Bar;
__declspec(allocator) void *alloc_void();
-__declspec(allocator) struct Foo *alloc_foo();
-void call_alloc_void() {
- struct Foo *p = (struct Foo*)alloc_void();
+void call_alloc() {
+ struct Foo *p = alloc_void();
+ struct Foo *q = (struct Foo*)alloc_void();
+ struct Foo *r = (struct Foo*)(struct Bar*)alloc_void();
}
-void call_alloc_foo() {
- struct Foo *p = alloc_foo();
-}
-
-// CHECK-LABEL: define {{.*}}void @call_alloc_void
+// CHECK-LABEL: define {{.*}}void @call_alloc
// CHECK: call i8* {{.*}}@alloc_void{{.*}} !heapallocsite [[DBG1:!.*]]
-
-// CHECK-LABEL: define {{.*}}void @call_alloc_foo
-// CHECK: call %struct.Foo* {{.*}}@alloc_foo{{.*}} !heapallocsite [[DBG2:!.*]]
+// CHECK: call i8* {{.*}}@alloc_void{{.*}} !heapallocsite [[DBG2:!.*]]
+// CHECK: call i8* {{.*}}@alloc_void{{.*}} !heapallocsite [[DBG3:!.*]]
// CHECK: [[DBG1]] = !{}
-// CHECK: [[DBG2]] = distinct !DICompositeType(tag: DW_TAG_structure_type,
+// CHECK: [[DBG2]] = !DICompositeType(tag: DW_TAG_structure_type,
// CHECK-SAME: name: "Foo"
-
+// CHECK: [[DBG3]] = !DICompositeType(tag: DW_TAG_structure_type,
+// CHECK-SAME: name: "Bar"