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// RUN: %clang_analyze_cc1 %s \
// RUN: -analyzer-checker=core \
// RUN: -analyzer-checker=debug.ExprInspection \
// RUN: 2>&1 | FileCheck %s
// In this test we check how the solver's symbol simplification mechanism
// simplifies the disequality info.
void clang_analyzer_printState();
void test(int a, int b, int c, int d) {
if (a + b + c == d)
return;
clang_analyzer_printState();
// CHECK: "disequality_info": [
// CHECK-NEXT: {
// CHECK-NEXT: "class": [ "((reg_$0<int a>) + (reg_$1<int b>)) + (reg_$2<int c>)" ],
// CHECK-NEXT: "disequal_to": [
// CHECK-NEXT: [ "reg_$3<int d>" ]]
// CHECK-NEXT: },
// CHECK-NEXT: {
// CHECK-NEXT: "class": [ "reg_$3<int d>" ],
// CHECK-NEXT: "disequal_to": [
// CHECK-NEXT: [ "((reg_$0<int a>) + (reg_$1<int b>)) + (reg_$2<int c>)" ]]
// CHECK-NEXT: }
// CHECK-NEXT: ],
// Simplification starts here.
if (b != 0)
return;
clang_analyzer_printState();
// CHECK: "disequality_info": [
// CHECK-NEXT: {
// CHECK-NEXT: "class": [ "(reg_$0<int a>) + (reg_$2<int c>)" ],
// CHECK-NEXT: "disequal_to": [
// CHECK-NEXT: [ "reg_$3<int d>" ]]
// CHECK-NEXT: },
// CHECK-NEXT: {
// CHECK-NEXT: "class": [ "reg_$3<int d>" ],
// CHECK-NEXT: "disequal_to": [
// CHECK-NEXT: [ "(reg_$0<int a>) + (reg_$2<int c>)" ]]
// CHECK-NEXT: }
// CHECK-NEXT: ],
if (c != 0)
return;
clang_analyzer_printState();
// CHECK: "disequality_info": [
// CHECK-NEXT: {
// CHECK-NEXT: "class": [ "reg_$0<int a>" ],
// CHECK-NEXT: "disequal_to": [
// CHECK-NEXT: [ "reg_$3<int d>" ]]
// CHECK-NEXT: },
// CHECK-NEXT: {
// CHECK-NEXT: "class": [ "reg_$3<int d>" ],
// CHECK-NEXT: "disequal_to": [
// CHECK-NEXT: [ "reg_$0<int a>" ]]
// CHECK-NEXT: }
// CHECK-NEXT: ],
// Keep the symbols and the constraints! alive.
(void)(a * b * c * d);
return;
}
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