forked from OSchip/llvm-project
56 lines
1.4 KiB
C++
56 lines
1.4 KiB
C++
// RUN: %clang_cc1 -g -std=c++11 -S -emit-llvm %s -o - | FileCheck %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:!.*]]
|
|
|
|
#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:!.*]]
|
|
|
|
#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:!.*]]
|
|
|
|
#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:!.*]]
|
|
|
|
// CHECK: [[DBG1]] = !DILocation(line: 100, scope: !{{.*}})
|
|
// CHECK: [[DBG2]] = !DILocation(line: 200, scope: !{{.*}})
|
|
// CHECK: [[DBG3]] = !DILocation(line: 300, scope: !{{.*}})
|
|
// CHECK: [[DBG4]] = !DILocation(line: 401, scope: !{{.*}})
|
|
}
|