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
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// PR19864
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extern int v[2];
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int a = 0, b = 0;
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int main() {
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#line 100
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for (int x : v)
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if (x)
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++b; // CHECK: add nsw{{.*}}, 1
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else
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++a; // CHECK: add nsw{{.*}}, 1
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// The continuation block if the if statement should not share the
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// location of the ++a statement. The branch back to the start of the loop
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// should be attributed to the loop header line.
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// CHECK: br label
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// CHECK: br label
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// CHECK: br label {{.*}}, !dbg [[DBG1:!.*]]
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#line 200
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while (a)
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if (b)
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++b; // CHECK: add nsw{{.*}}, 1
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else
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++a; // CHECK: add nsw{{.*}}, 1
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// CHECK: br label
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// CHECK: br label {{.*}}, !dbg [[DBG2:!.*]]
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#line 300
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for (; a; )
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if (b)
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++b; // CHECK: add nsw{{.*}}, 1
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else
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++a; // CHECK: add nsw{{.*}}, 1
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// CHECK: br label
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// CHECK: br label {{.*}}, !dbg [[DBG3:!.*]]
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#line 400
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int x[] = {1, 2};
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for (int y : x)
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if (b)
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++b; // CHECK: add nsw{{.*}}, 1
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else
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++a; // CHECK: add nsw{{.*}}, 1
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// CHECK: br label
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// CHECK: br label {{.*}}, !dbg [[DBG4:!.*]]
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// CHECK: [[DBG1]] = metadata !{i32 100, i32 0, metadata !{{.*}}, null}
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// CHECK: [[DBG2]] = metadata !{i32 200, i32 0, metadata !{{.*}}, null}
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// CHECK: [[DBG3]] = metadata !{i32 300, i32 0, metadata !{{.*}}, null}
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// CHECK: [[DBG4]] = metadata !{i32 401, i32 0, metadata !{{.*}}, null}
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}
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