}
SizeOffsetType ObjectSizeOffsetVisitor::visitGlobalVariable(GlobalVariable &GV){
- if (GV.hasExternalWeakLinkage() ||
- ((!GV.hasInitializer() || GV.isInterposable()) &&
- Options.EvalMode != ObjectSizeOpts::Mode::Min))
+ if (!GV.hasDefinitiveInitializer())
return unknown();
APInt Size(IntTyBits, DL.getTypeAllocSize(GV.getValueType()));
+++ /dev/null
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
-; RUN: opt < %s -passes=instsimplify -S | FileCheck %s
-
-@gv = global i64 zeroinitializer, align 16
-
-define i1 @cmp_gv_alloca() {
-; CHECK-LABEL: define i1 @cmp_gv_alloca() {
-; CHECK-NEXT: ret i1 false
-;
- %alloca = alloca i64, align 8
- %cmp = icmp eq ptr %alloca, @gv
- ret i1 %cmp
-}
-
-@gv_externally_init = externally_initialized global i64 zeroinitializer, align 16
-
-define i1 @cmp_gv_alloca_extern_init() {
-; CHECK-LABEL: define i1 @cmp_gv_alloca_extern_init() {
-; CHECK-NEXT: ret i1 false
-;
- %alloca = alloca i64, align 8
- %cmp = icmp eq ptr %alloca, @gv_externally_init
- ret i1 %cmp
-}
-
-@const_gv = protected addrspace(4) externally_initialized global [4096 x i64] zeroinitializer, align 16
-define i1 @cmp_gv_alloca_cast() {
-; CHECK-LABEL: define i1 @cmp_gv_alloca_cast() {
-; CHECK-NEXT: ret i1 false
-;
- %alloca = alloca i64, align 8, addrspace(5)
- %cast.alloca = addrspacecast ptr addrspace(5) %alloca to ptr
- %cmp = icmp eq ptr %cast.alloca, addrspacecast (ptr addrspace(4) @const_gv to ptr)
- ret i1 %cmp
-}
-
-@gv_weak = weak global i64 zeroinitializer, align 16
-
-define i1 @cmp_gv_weak_alloca() {
-; CHECK-LABEL: define i1 @cmp_gv_weak_alloca() {
-; CHECK-NEXT: ret i1 false
-;
- %alloca = alloca i64, align 8
- %cmp = icmp eq ptr %alloca, @gv_weak
- ret i1 %cmp
-}
%objsize = call i64 @llvm.objectsize.i64(ptr %ptr, i1 false, i1 true, i1 true)
ret i64 %objsize
}
-
-@gv_weak = weak global i64 zeroinitializer, align 16
-
-define i32 @promote_with_objectsize_min_false() {
-; CHECK-LABEL: @promote_with_objectsize_min_false(
-; CHECK-NEXT: ret i32 -1
-;
- %size = call i32 @llvm.objectsize.i32.p0(ptr @gv_weak, i1 false, i1 false, i1 false)
- ret i32 %size
-}
-
-define i32 @promote_with_objectsize_min_true() {
-; CHECK-LABEL: @promote_with_objectsize_min_true(
-; CHECK-NEXT: ret i32 8
-;
- %size = call i32 @llvm.objectsize.i32.p0(ptr @gv_weak, i1 true, i1 false, i1 false)
- ret i32 %size
-}
-
-@gv_extern = extern_weak global i64, align 16
-
-define i32 @promote_with_objectsize_nullunknown_false() {
-; CHECK-LABEL: @promote_with_objectsize_nullunknown_false(
-; CHECK-NEXT: ret i32 0
-;
- %size = call i32 @llvm.objectsize.i32.p0(ptr @gv_extern, i1 true, i1 false, i1 false)
- ret i32 %size
-}
-
-define i32 @promote_with_objectsize_nullunknown_true() {
-; CHECK-LABEL: @promote_with_objectsize_nullunknown_true(
-; CHECK-NEXT: ret i32 0
-;
- %size = call i32 @llvm.objectsize.i32.p0(ptr @gv_extern, i1 true, i1 true, i1 false)
- ret i32 %size
-}
-
-declare i32 @llvm.objectsize.i32.p0(ptr, i1, i1, i1)