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TheRock/compiler/amd-llvm/clang/test/DebugInfo/CXX/line-if.cpp
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

72 lines
2.4 KiB
C++

// RUN: %clang_cc1 -debug-info-kind=limited -gno-column-info -std=c++11 -emit-llvm %s -o - | FileCheck -allow-deprecated-dag-overlap %s
// PR19864
extern int v[2];
int a = 0, b = 0;
int main() {
#line 100
for (int x : v)
if (x)
++b; // CHECK: add nsw{{.*}}, 1
else
++a; // CHECK: add nsw{{.*}}, 1
// The continuation block if the if statement should not share the
// location of the ++a statement. The branch back to the start of the loop
// should be attributed to the loop header line.
// CHECK: br label
// CHECK: br label
// CHECK: br label {{.*}}, !dbg [[DBG1:![0-9]*]], !llvm.loop [[L1:![0-9]*]]
#line 200
while (a)
if (b)
++b; // CHECK: add nsw{{.*}}, 1
else
++a; // CHECK: add nsw{{.*}}, 1
// CHECK: br label
// CHECK: br label {{.*}}, !dbg [[DBG2:![0-9]*]], !llvm.loop [[L2:![0-9]*]]
#line 300
for (; a; )
if (b)
++b; // CHECK: add nsw{{.*}}, 1
else
++a; // CHECK: add nsw{{.*}}, 1
// CHECK: br label
// CHECK: br label {{.*}}, !dbg [[DBG3:![0-9]*]], !llvm.loop [[L3:![0-9]*]]
#line 400
int x[] = {1, 2};
for (int y : x)
if (b)
++b; // CHECK: add nsw{{.*}}, 1
else
++a; // CHECK: add nsw{{.*}}, 1
// CHECK: br label
// CHECK: br label {{.*}}, !dbg [[DBG4:![0-9]*]], !llvm.loop [[L4:![0-9]*]]
// CHECK-DAG: [[DBG1]] = !DILocation(line: 100, scope: !{{.*}})
// CHECK-DAG: [[DBG2]] = !DILocation(line: 200, scope: !{{.*}})
// CHECK-DAG: [[DBG3]] = !DILocation(line: 300, scope: !{{.*}})
// CHECK-DAG: [[DBG4]] = !DILocation(line: 401, scope: !{{.*}})
// CHECK-DAG: [[L1]] = distinct !{[[L1]], [[SLDBG1:![0-9]*]], [[ELDBG1:![0-9]*]]}
// CHECK-DAG: [[SLDBG1]] = !DILocation(line: 100, scope: !{{.*}})
// CHECK-DAG: [[ELDBG1]] = !DILocation(line: 104, scope: !{{.*}})
// CHECK-DAG: [[L2]] = distinct !{[[L2]], [[SLDBG2:![0-9]*]], [[ELDBG2:![0-9]*]], [[MP:![0-9]+]]}
// CHECK-DAG: [[SLDBG2]] = !DILocation(line: 200, scope: !{{.*}})
// CHECK-DAG: [[ELDBG2]] = !DILocation(line: 204, scope: !{{.*}})
// CHECK-DAG: [[L3]] = distinct !{[[L3]], [[SLDBG3:![0-9]*]], [[ELDBG3:![0-9]*]], [[MP]]}
// CHECK-DAG: [[SLDBG3]] = !DILocation(line: 300, scope: !{{.*}})
// CHECK-DAG: [[ELDBG3]] = !DILocation(line: 304, scope: !{{.*}})
// CHECK-DAG: [[L4]] = distinct !{[[L4]], [[SLDBG4:![0-9]*]], [[ELDBG4:![0-9]*]]}
// CHECK-DAG: [[SLDBG4]] = !DILocation(line: 401, scope: !{{.*}})
// CHECK-DAG: [[ELDBG4]] = !DILocation(line: 405, scope: !{{.*}})
}