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-rw-r--r--test/asan/TestCases/coverage-order-pcs.cc56
1 files changed, 56 insertions, 0 deletions
diff --git a/test/asan/TestCases/coverage-order-pcs.cc b/test/asan/TestCases/coverage-order-pcs.cc
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+++ b/test/asan/TestCases/coverage-order-pcs.cc
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+// Test coverage_order_pcs=1 flag which orders the PCs by their appearance.
+// RUN: DIR=%T/coverage-order-pcs
+// RUN: rm -rf $DIR
+// RUN: mkdir $DIR
+// RUN: %clangxx_asan -fsanitize-coverage=func %s -o %t
+// RUN: env ASAN_OPTIONS=$ASAN_OPTIONS:coverage_dir=$DIR:coverage=1:coverage_order_pcs=0 %run %t
+// RUN: mv $DIR/*sancov $DIR/A
+
+// RUN: env ASAN_OPTIONS=$ASAN_OPTIONS:coverage_dir=$DIR:coverage=1:coverage_order_pcs=0 %run %t 1
+// RUN: mv $DIR/*sancov $DIR/B
+
+// RUN: env ASAN_OPTIONS=$ASAN_OPTIONS:coverage_dir=$DIR:coverage=1:coverage_order_pcs=1 %run %t
+// RUN: mv $DIR/*sancov $DIR/C
+
+// RUN: env ASAN_OPTIONS=$ASAN_OPTIONS:coverage_dir=$DIR:coverage=1:coverage_order_pcs=1 %run %t 1
+// RUN: mv $DIR/*sancov $DIR/D
+//
+// RUN: (%sancov print $DIR/A; %sancov print $DIR/B; %sancov print $DIR/C; %sancov print $DIR/D) | FileCheck %s
+//
+// RUN: rm -rf $DIR
+// Ordering works only in 64-bit mode for now.
+// REQUIRES: asan-64-bits
+#include <stdio.h>
+
+void foo() { fprintf(stderr, "FOO\n"); }
+void bar() { fprintf(stderr, "BAR\n"); }
+
+int main(int argc, char **argv) {
+ if (argc == 2) {
+ foo();
+ bar();
+ } else {
+ bar();
+ foo();
+ }
+}
+
+// Run A: no ordering
+// CHECK: [[FOO:0x[0-9a-f]*]]
+// CHECK-NEXT: [[BAR:0x[0-9a-f]*]]
+// CHECK-NEXT: [[MAIN:0x[0-9a-f]*]]
+//
+// Run B: still no ordering
+// CHECK-NEXT: [[FOO]]
+// CHECK-NEXT: [[BAR]]
+// CHECK-NEXT: [[MAIN]]
+//
+// Run C: MAIN, BAR, FOO
+// CHECK-NEXT: [[MAIN]]
+// CHECK-NEXT: [[BAR]]
+// CHECK-NEXT: [[FOO]]
+//
+// Run D: MAIN, FOO, BAR
+// CHECK-NEXT: [[MAIN]]
+// CHECK-NEXT: [[FOO]]
+// CHECK-NEXT: [[BAR]]