23 lines
706 B
C
23 lines
706 B
C
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// RUN: %clang_cc1 -S -emit-llvm -o - -fsanitize=address,use-after-scope %s \
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// RUN: | FileCheck %s -check-prefix=USE-AFTER-SCOPE
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// RUN: %clang_cc1 -S -emit-llvm -o - -fsanitize=address %s \
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// RUN: | FileCheck %s -check-prefix=ADDRESS-ONLY
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extern int bar(char *A, int n);
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// ADDRESS-ONLY-NOT: @llvm.lifetime.start
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int foo (int n) {
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if (n) {
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// USE-AFTER-SCOPE: @llvm.lifetime.start(i64 10, i8* {{.*}})
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char A[10];
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return bar(A, 1);
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// USE-AFTER-SCOPE: @llvm.lifetime.end(i64 10, i8* {{.*}})
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} else {
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// USE-AFTER-SCOPE: @llvm.lifetime.start(i64 20, i8* {{.*}})
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char A[20];
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return bar(A, 2);
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// USE-AFTER-SCOPE: @llvm.lifetime.end(i64 20, i8* {{.*}})
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}
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}
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