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[Debug Info] Fix debug info ptr to ptr test #95637

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Merged
merged 1 commit into from
Jun 15, 2024
Merged

[Debug Info] Fix debug info ptr to ptr test #95637

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28 changes: 14 additions & 14 deletions clang/test/CodeGenCXX/debug-info-ptr-to-ptr.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -25,27 +25,27 @@ class C {
// CHECK-LABEL: define dso_local noundef i32 @{{.*}}func1{{.*}}(
// CHECK: [[A_ADDR:%.*]] = getelementptr inbounds %class.B, ptr {{%.*}}, i32 0, i32 0, !dbg [[DBG1:![0-9]+]]
// CHECK-NEXT: [[A:%.*]] = load ptr, ptr [[A_ADDR]], align {{.*}}, !dbg [[DBG1]]
// CHECK-NEXT: call void @llvm.dbg.value(metadata ptr [[A]], metadata [[META1:![0-9]+]], metadata !DIExpression()), !dbg [[DBG1]]
// CHECK-NEXT: #dbg_value(ptr [[A]], [[META1:![0-9]+]], !DIExpression(), [[DBG1]])
// CHECK-NEXT: {{%.*}} = getelementptr inbounds %class.A, ptr [[A]], i32 0, i32 0,
int func1(B *b) {
return b->a->i;
}

// Should generate a pseudo variable when pointer is type-casted.
// CHECK-LABEL: define dso_local noundef ptr @{{.*}}func2{{.*}}(
// CHECK: call void @llvm.dbg.declare(metadata ptr [[B_ADDR:%.*]], metadata [[META2:![0-9]+]], metadata !DIExpression())
// CHECK: #dbg_declare(ptr [[B_ADDR:%.*]], [[META2:![0-9]+]], !DIExpression(),
// CHECK-NEXT: [[B:%.*]] = load ptr, ptr [[B_ADDR]],
// CHECK-NEXT: call void @llvm.dbg.value(metadata ptr [[B]], metadata [[META3:![0-9]+]], metadata !DIExpression())
// CHECK-NEXT: #dbg_value(ptr [[B]], [[META3:![0-9]+]], !DIExpression(),
// CHECK-NEXT: {{%.*}} = getelementptr inbounds %class.B, ptr [[B]], i32 0,
A* func2(void *b) {
return ((B*)b)->a;
}

// Should not generate pseudo variable in this case.
// CHECK-LABEL: define dso_local noundef i32 @{{.*}}func3{{.*}}(
// CHECK: call void @llvm.dbg.declare(metadata ptr [[B_ADDR:%.*]], metadata [[META4:![0-9]+]], metadata !DIExpression())
// CHECK: call void @llvm.dbg.declare(metadata ptr [[LOCAL1:%.*]], metadata [[META5:![0-9]+]], metadata !DIExpression())
// CHECK-NOT: call void @llvm.dbg.value(metadata ptr
// CHECK: #dbg_declare(ptr [[B_ADDR:%.*]], [[META4:![0-9]+]], !DIExpression(),
// CHECK: #dbg_declare(ptr [[LOCAL1:%.*]], [[META5:![0-9]+]], !DIExpression(),
// CHECK-NOT: #dbg_value(ptr
int func3(B *b) {
A *local1 = b->a;
return local1->i;
Expand All @@ -54,36 +54,36 @@ int func3(B *b) {
// CHECK-LABEL: define dso_local noundef signext i8 @{{.*}}func4{{.*}}(
// CHECK: [[A_ADDR:%.*]] = getelementptr inbounds %class.C, ptr {{%.*}}, i32 0, i32 1
// CHECK-NEXT: [[A:%.*]] = load ptr, ptr [[A_ADDR]],
// CHECK-NEXT: call void @llvm.dbg.value(metadata ptr [[A]], metadata [[META6:![0-9]+]], metadata !DIExpression())
// CHECK-NEXT: #dbg_value(ptr [[A]], [[META6:![0-9]+]], !DIExpression(),
// CHECK-NEXT: {{%.*}} = getelementptr inbounds %class.A, ptr [[A]], i32 0, i32 0,
// CHECK: [[CALL:%.*]] = call noundef ptr @{{.*}}foo{{.*}}(
// CHECK-NEXT: call void @llvm.dbg.value(metadata ptr [[CALL]], metadata [[META6]], metadata !DIExpression())
// CHECK-NEXT: #dbg_value(ptr [[CALL]], [[META6]], !DIExpression(),
// CHECK-NEXT: [[I1:%.*]] = getelementptr inbounds %class.A, ptr [[CALL]], i32 0, i32 1
char func4(C *c) {
extern A* foo(int x);
return foo(c->a->i)->c;
}

// CHECK-LABEL: define dso_local noundef signext i8 @{{.*}}func5{{.*}}(
// CHECK: call void @llvm.dbg.declare(metadata ptr {{%.*}}, metadata [[META7:![0-9]+]], metadata !DIExpression())
// CHECK: call void @llvm.dbg.declare(metadata ptr {{%.*}}, metadata [[META8:![0-9]+]], metadata !DIExpression())
// CHECK: #dbg_declare(ptr {{%.*}}, [[META7:![0-9]+]], !DIExpression(),
// CHECK: #dbg_declare(ptr {{%.*}}, [[META8:![0-9]+]], !DIExpression(),
// CHECK: [[A_ADDR:%.*]] = getelementptr inbounds %class.A, ptr {{%.*}}, i64 {{%.*}},
// CHECK-NEXT: call void @llvm.dbg.value(metadata ptr [[A_ADDR]], metadata [[META9:![0-9]+]], metadata !DIExpression())
// CHECK-NEXT: #dbg_value(ptr [[A_ADDR]], [[META9:![0-9]+]], !DIExpression(),
// CHECK-NEXT: {{%.*}} = getelementptr inbounds %class.A, ptr [[A_ADDR]], i32 0, i32 1,
char func5(void *arr, int n) {
return ((A*)arr)[n].c;
}

// CHECK-LABEL: define dso_local noundef i32 @{{.*}}func6{{.*}}(
// CHECK: call void @llvm.dbg.declare(metadata ptr {{%.*}}, metadata [[META10:![0-9]+]], metadata !DIExpression())
// CHECK: call void @llvm.dbg.value(metadata ptr {{%.*}}, metadata [[META11:![0-9]+]], metadata !DIExpression())
// CHECK: #dbg_declare(ptr {{%.*}}, [[META10:![0-9]+]], !DIExpression(),
// CHECK: #dbg_value(ptr {{%.*}}, [[META11:![0-9]+]], !DIExpression(),
int func6(B &b) {
return reinterpret_cast<A&>(b).i;
}

// CHECK-LABEL: define dso_local noundef i32 @{{.*}}global{{.*}}(
// CHECK: [[GA:%.*]] = load ptr, ptr @ga
// CHECK-NEXT: call void @llvm.dbg.value(metadata ptr [[GA]], metadata [[META12:![0-9]+]], metadata !DIExpression())
// CHECK-NEXT: #dbg_value(ptr [[GA]], [[META12:![0-9]+]], !DIExpression(),
A *ga;
int global() {
return ga->i;
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