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-rw-r--r--test/Analysis/identical-expressions.cpp942
1 files changed, 942 insertions, 0 deletions
diff --git a/test/Analysis/identical-expressions.cpp b/test/Analysis/identical-expressions.cpp
new file mode 100644
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--- /dev/null
+++ b/test/Analysis/identical-expressions.cpp
@@ -0,0 +1,942 @@
+// RUN: %clang_cc1 -analyze -analyzer-checker=core,alpha.core.IdenticalExpr -verify %s
+
+/* Only one expected warning per function allowed at the very end. */
+
+/* '!=' operator*/
+
+/* '!=' with float */
+int checkNotEqualFloatLiteralCompare1(void) {
+ return (5.14F != 5.14F); // no warning
+}
+
+int checkNotEqualFloatLiteralCompare2(void) {
+ return (6.14F != 7.14F); // no warning
+}
+
+int checkNotEqualFloatDeclCompare1(void) {
+ float f = 7.1F;
+ float g = 7.1F;
+ return (f != g); // no warning
+}
+
+int checkNotEqualFloatDeclCompare12(void) {
+ float f = 7.1F;
+ return (f != f); // no warning
+}
+
+int checkNotEqualFloatDeclCompare3(void) {
+ float f = 7.1F;
+ return (f != 7.1F); // no warning
+}
+
+int checkNotEqualFloatDeclCompare4(void) {
+ float f = 7.1F;
+ return (7.1F != f); // no warning
+}
+
+int checkNotEqualFloatDeclCompare5(void) {
+ float f = 7.1F;
+ int t = 7;
+ return (t != f); // no warning
+}
+
+int checkNotEqualFloatDeclCompare6(void) {
+ float f = 7.1F;
+ int t = 7;
+ return (f != t); // no warning
+}
+
+
+
+int checkNotEqualCastFloatDeclCompare11(void) {
+ float f = 7.1F;
+ return ((int)f != (int)f); // expected-warning {{comparison of identical expressions always evaluates to false}}
+}
+int checkNotEqualCastFloatDeclCompare12(void) {
+ float f = 7.1F;
+ return ((char)f != (int)f); // no warning
+}
+int checkNotEqualBinaryOpFloatCompare1(void) {
+ int res;
+ float f= 3.14F;
+ res = (f + 3.14F != f + 3.14F); // no warning
+ return (0);
+}
+int checkNotEqualBinaryOpFloatCompare2(void) {
+ float f = 7.1F;
+ float g = 7.1F;
+ return (f + 3.14F != g + 3.14F); // no warning
+}
+int checkNotEqualBinaryOpFloatCompare3(void) {
+ int res;
+ float f= 3.14F;
+ res = ((int)f + 3.14F != (int)f + 3.14F); // no warning
+ return (0);
+}
+int checkNotEqualBinaryOpFloatCompare4(void) {
+ int res;
+ float f= 3.14F;
+ res = ((int)f + 3.14F != (char)f + 3.14F); // no warning
+ return (0);
+}
+
+int checkNotEqualNestedBinaryOpFloatCompare1(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ float f= 3.14F;
+ res = (((int)f + (3.14F - u)*t) != ((int)f + (3.14F - u)*t)); // no warning
+ return (0);
+}
+
+int checkNotEqualNestedBinaryOpFloatCompare2(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ float f= 3.14F;
+ res = (((int)f + (u - 3.14F)*t) != ((int)f + (3.14F - u)*t)); // no warning
+ return (0);
+}
+
+int checkNotEqualNestedBinaryOpFloatCompare3(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ float f= 3.14F;
+ res = (((int)f + (u - 3.14F)*t) != ((int)f + (3.14F - u)*(f + t != f + t))); // no warning
+ return (0);
+}
+
+
+
+
+/* end '!=' with float*/
+
+/* '!=' with int*/
+
+int checkNotEqualIntLiteralCompare1(void) {
+ return (5 != 5); // expected-warning {{comparison of identical expressions always evaluates to false}}
+}
+
+int checkNotEqualIntLiteralCompare2(void) {
+ return (6 != 7); // no warning
+}
+
+int checkNotEqualIntDeclCompare1(void) {
+ int f = 7;
+ int g = 7;
+ return (f != g); // no warning
+}
+
+int checkNotEqualIntDeclCompare3(void) {
+ int f = 7;
+ return (f != 7); // no warning
+}
+
+int checkNotEqualIntDeclCompare4(void) {
+ int f = 7;
+ return (7 != f); // no warning
+}
+
+int checkNotEqualCastIntDeclCompare11(void) {
+ int f = 7;
+ return ((int)f != (int)f); // expected-warning {{comparison of identical expressions always evaluates to false}}
+}
+int checkNotEqualCastIntDeclCompare12(void) {
+ int f = 7;
+ return ((char)f != (int)f); // no warning
+}
+int checkNotEqualBinaryOpIntCompare1(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ int f= 4;
+ res = (f + 4 != f + 4); // expected-warning {{comparison of identical expressions always evaluates to false}}
+ return (0);
+}
+int checkNotEqualBinaryOpIntCompare2(void) {
+ int f = 7;
+ int g = 7;
+ return (f + 4 != g + 4); // no warning
+}
+
+
+int checkNotEqualBinaryOpIntCompare3(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ int f= 4;
+ res = ((int)f + 4 != (int)f + 4); // expected-warning {{comparison of identical expressions always evaluates to false}}
+ return (0);
+}
+int checkNotEqualBinaryOpIntCompare4(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ int f= 4;
+ res = ((int)f + 4 != (char)f + 4); // no warning
+ return (0);
+}
+int checkNotEqualBinaryOpIntCompare5(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ res = (u + t != u + t); // expected-warning {{comparison of identical expressions always evaluates to false}}
+ return (0);
+}
+
+int checkNotEqualNestedBinaryOpIntCompare1(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ int f= 3;
+ res = (((int)f + (3 - u)*t) != ((int)f + (3 - u)*t)); // expected-warning {{comparison of identical expressions always evaluates to false}}
+ return (0);
+}
+
+int checkNotEqualNestedBinaryOpIntCompare2(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ int f= 3;
+ res = (((int)f + (u - 3)*t) != ((int)f + (3 - u)*t)); // no warning
+ return (0);
+}
+
+int checkNotEqualNestedBinaryOpIntCompare3(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ int f= 3;
+ res = (((int)f + (u - 3)*t) != ((int)f + (3 - u)*(t + 1 != t + 1))); // expected-warning {{comparison of identical expressions always evaluates to false}}
+ return (0);
+}
+
+/* end '!=' int */
+
+
+
+/* '!=' with int pointer */
+
+int checkNotEqualIntPointerLiteralCompare1(void) {
+ int* p = 0;
+ return (p != 0); // no warning
+}
+
+int checkNotEqualIntPointerLiteralCompare2(void) {
+ return (6 != 7); // no warning
+}
+
+int checkNotEqualIntPointerDeclCompare1(void) {
+ int k = 3;
+ int* f = &k;
+ int* g = &k;
+ return (f != g); // no warning
+}
+
+int checkNotEqualCastIntPointerDeclCompare11(void) {
+ int k = 7;
+ int* f = &k;
+ return ((int*)f != (int*)f); // expected-warning {{comparison of identical expressions always evaluates to false}}
+}
+int checkNotEqualCastIntPointerDeclCompare12(void) {
+ int k = 7;
+ int* f = &k;
+ return ((int*)((char*)f) != (int*)f); // no warning
+}
+int checkNotEqualBinaryOpIntPointerCompare1(void) {
+ int k = 7;
+ int res;
+ int* f= &k;
+ res = (f + 4 != f + 4); // expected-warning {{comparison of identical expressions always evaluates to false}}
+ return (0);
+}
+int checkNotEqualBinaryOpIntPointerCompare2(void) {
+ int k = 7;
+ int* f = &k;
+ int* g = &k;
+ return (f + 4 != g + 4); // no warning
+}
+
+
+int checkNotEqualBinaryOpIntPointerCompare3(void) {
+ int k = 7;
+ int res;
+ int* f= &k;
+ res = ((int*)f + 4 != (int*)f + 4); // expected-warning {{comparison of identical expressions always evaluates to false}}
+ return (0);
+}
+int checkNotEqualBinaryOpIntPointerCompare4(void) {
+ int k = 7;
+ int res;
+ int* f= &k;
+ res = ((int*)f + 4 != (int*)((char*)f) + 4); // no warning
+ return (0);
+}
+
+int checkNotEqualNestedBinaryOpIntPointerCompare1(void) {
+ int res;
+ int k = 7;
+ int t= 1;
+ int* u= &k+2;
+ int* f= &k+3;
+ res = ((f + (3)*t) != (f + (3)*t)); // expected-warning {{comparison of identical expressions always evaluates to false}}
+ return (0);
+}
+
+int checkNotEqualNestedBinaryOpIntPointerCompare2(void) {
+ int res;
+ int k = 7;
+ int t= 1;
+ int* u= &k+2;
+ int* f= &k+3;
+ res = (((3)*t + f) != (f + (3)*t)); // no warning
+ return (0);
+}
+/* end '!=' int* */
+
+/* end '!=' */
+
+
+
+/* EQ operator */
+
+int checkEqualIntPointerDeclCompare(void) {
+ int k = 3;
+ int* f = &k;
+ int* g = &k;
+ return (f == g); // no warning
+}
+
+int checkEqualIntPointerDeclCompare0(void) {
+ int k = 3;
+ int* f = &k;
+ return (f+1 == f+1); // expected-warning {{comparison of identical expressions always evaluates to true}}
+}
+
+/* EQ with float*/
+
+int checkEqualFloatLiteralCompare1(void) {
+ return (5.14F == 5.14F); // no warning
+}
+
+int checkEqualFloatLiteralCompare2(void) {
+ return (6.14F == 7.14F); // no warning
+}
+
+int checkEqualFloatDeclCompare1(void) {
+ float f = 7.1F;
+ float g = 7.1F;
+ return (f == g); // no warning
+}
+
+int checkEqualFloatDeclCompare12(void) {
+ float f = 7.1F;
+ return (f == f); // no warning
+}
+
+
+int checkEqualFloatDeclCompare3(void) {
+ float f = 7.1F;
+ return (f == 7.1F); // no warning
+}
+
+int checkEqualFloatDeclCompare4(void) {
+ float f = 7.1F;
+ return (7.1F == f); // no warning
+}
+
+int checkEqualFloatDeclCompare5(void) {
+ float f = 7.1F;
+ int t = 7;
+ return (t == f); // no warning
+}
+
+int checkEqualFloatDeclCompare6(void) {
+ float f = 7.1F;
+ int t = 7;
+ return (f == t); // no warning
+}
+
+
+
+
+int checkEqualCastFloatDeclCompare11(void) {
+ float f = 7.1F;
+ return ((int)f == (int)f); // expected-warning {{comparison of identical expressions always evaluates to true}}
+}
+int checkEqualCastFloatDeclCompare12(void) {
+ float f = 7.1F;
+ return ((char)f == (int)f); // no warning
+}
+int checkEqualBinaryOpFloatCompare1(void) {
+ int res;
+ float f= 3.14F;
+ res = (f + 3.14F == f + 3.14F); // no warning
+ return (0);
+}
+int checkEqualBinaryOpFloatCompare2(void) {
+ float f = 7.1F;
+ float g = 7.1F;
+ return (f + 3.14F == g + 3.14F); // no warning
+}
+int checkEqualBinaryOpFloatCompare3(void) {
+ int res;
+ float f= 3.14F;
+ res = ((int)f + 3.14F == (int)f + 3.14F); // no warning
+ return (0);
+}
+int checkEqualBinaryOpFloatCompare4(void) {
+ int res;
+ float f= 3.14F;
+ res = ((int)f + 3.14F == (char)f + 3.14F); // no warning
+ return (0);
+}
+
+int checkEqualNestedBinaryOpFloatCompare1(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ float f= 3.14F;
+ res = (((int)f + (3.14F - u)*t) == ((int)f + (3.14F - u)*t)); // no warning
+ return (0);
+}
+
+int checkEqualNestedBinaryOpFloatCompare2(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ float f= 3.14F;
+ res = (((int)f + (u - 3.14F)*t) == ((int)f + (3.14F - u)*t)); // no warning
+ return (0);
+}
+
+int checkEqualNestedBinaryOpFloatCompare3(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ float f= 3.14F;
+ res = (((int)f + (u - 3.14F)*t) == ((int)f + (3.14F - u)*(f + t == f + t))); // no warning
+ return (0);
+}
+
+
+
+
+
+/* Equal with int*/
+
+int checkEqualIntLiteralCompare1(void) {
+ return (5 == 5); // expected-warning {{comparison of identical expressions always evaluates to true}}
+}
+
+int checkEqualIntLiteralCompare2(void) {
+ return (6 == 7); // no warning
+}
+
+int checkEqualIntDeclCompare1(void) {
+ int f = 7;
+ int g = 7;
+ return (f == g); // no warning
+}
+
+int checkEqualCastIntDeclCompare11(void) {
+ int f = 7;
+ return ((int)f == (int)f); // expected-warning {{comparison of identical expressions always evaluates to true}}
+}
+int checkEqualCastIntDeclCompare12(void) {
+ int f = 7;
+ return ((char)f == (int)f); // no warning
+}
+
+int checkEqualIntDeclCompare3(void) {
+ int f = 7;
+ return (f == 7); // no warning
+}
+
+int checkEqualIntDeclCompare4(void) {
+ int f = 7;
+ return (7 == f); // no warning
+}
+
+int checkEqualBinaryOpIntCompare1(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ int f= 4;
+ res = (f + 4 == f + 4); // expected-warning {{comparison of identical expressions always evaluates to true}}
+ return (0);
+}
+int checkEqualBinaryOpIntCompare2(void) {
+ int f = 7;
+ int g = 7;
+ return (f + 4 == g + 4); // no warning
+}
+
+
+int checkEqualBinaryOpIntCompare3(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ int f= 4;
+ res = ((int)f + 4 == (int)f + 4); // expected-warning {{comparison of identical expressions always evaluates to true}}
+ return (0);
+
+}
+int checkEqualBinaryOpIntCompare4(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ int f= 4;
+ res = ((int)f + 4 == (char)f + 4); // no warning
+ return (0);
+}
+int checkEqualBinaryOpIntCompare5(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ res = (u + t == u + t); // expected-warning {{comparison of identical expressions always evaluates to true}}
+ return (0);
+}
+
+int checkEqualNestedBinaryOpIntCompare1(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ int f= 3;
+ res = (((int)f + (3 - u)*t) == ((int)f + (3 - u)*t)); // expected-warning {{comparison of identical expressions always evaluates to true}}
+ return (0);
+}
+
+int checkEqualNestedBinaryOpIntCompare2(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ int f= 3;
+ res = (((int)f + (u - 3)*t) == ((int)f + (3 - u)*t)); // no warning
+ return (0);
+}
+
+int checkEqualNestedBinaryOpIntCompare3(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ int f= 3;
+ res = (((int)f + (u - 3)*t) == ((int)f + (3 - u)*(t + 1 == t + 1))); // expected-warning {{comparison of identical expressions always evaluates to true}}
+ return (0);
+}
+
+
+/* end EQ int */
+
+/* end EQ */
+
+
+/* LT */
+
+/* LT with float */
+
+int checkLessThanFloatLiteralCompare1(void) {
+ return (5.14F < 5.14F); // expected-warning {{comparison of identical expressions always evaluates to false}}
+}
+
+int checkLessThanFloatLiteralCompare2(void) {
+ return (6.14F < 7.14F); // no warning
+}
+
+int checkLessThanFloatDeclCompare1(void) {
+ float f = 7.1F;
+ float g = 7.1F;
+ return (f < g); // no warning
+}
+
+int checkLessThanFloatDeclCompare12(void) {
+ float f = 7.1F;
+ return (f < f); // expected-warning {{comparison of identical expressions always evaluates to false}}
+}
+
+int checkLessThanFloatDeclCompare3(void) {
+ float f = 7.1F;
+ return (f < 7.1F); // no warning
+}
+
+int checkLessThanFloatDeclCompare4(void) {
+ float f = 7.1F;
+ return (7.1F < f); // no warning
+}
+
+int checkLessThanFloatDeclCompare5(void) {
+ float f = 7.1F;
+ int t = 7;
+ return (t < f); // no warning
+}
+
+int checkLessThanFloatDeclCompare6(void) {
+ float f = 7.1F;
+ int t = 7;
+ return (f < t); // no warning
+}
+
+
+int checkLessThanCastFloatDeclCompare11(void) {
+ float f = 7.1F;
+ return ((int)f < (int)f); // expected-warning {{comparison of identical expressions always evaluates to false}}
+}
+int checkLessThanCastFloatDeclCompare12(void) {
+ float f = 7.1F;
+ return ((char)f < (int)f); // no warning
+}
+int checkLessThanBinaryOpFloatCompare1(void) {
+ int res;
+ float f= 3.14F;
+ res = (f + 3.14F < f + 3.14F); // no warning
+ return (0);
+}
+int checkLessThanBinaryOpFloatCompare2(void) {
+ float f = 7.1F;
+ float g = 7.1F;
+ return (f + 3.14F < g + 3.14F); // no warning
+}
+int checkLessThanBinaryOpFloatCompare3(void) {
+ int res;
+ float f= 3.14F;
+ res = ((int)f + 3.14F < (int)f + 3.14F); // no warning
+ return (0);
+}
+int checkLessThanBinaryOpFloatCompare4(void) {
+ int res;
+ float f= 3.14F;
+ res = ((int)f + 3.14F < (char)f + 3.14F); // no warning
+ return (0);
+}
+
+int checkLessThanNestedBinaryOpFloatCompare1(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ float f= 3.14F;
+ res = (((int)f + (3.14F - u)*t) < ((int)f + (3.14F - u)*t)); // no warning
+ return (0);
+}
+
+int checkLessThanNestedBinaryOpFloatCompare2(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ float f= 3.14F;
+ res = (((int)f + (u - 3.14F)*t) < ((int)f + (3.14F - u)*t)); // no warning
+ return (0);
+}
+
+int checkLessThanNestedBinaryOpFloatCompare3(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ float f= 3.14F;
+ res = (((int)f + (u - 3.14F)*t) < ((int)f + (3.14F - u)*(f + t < f + t))); // no warning
+ return (0);
+}
+
+/* end LT with float */
+
+/* LT with int */
+
+
+int checkLessThanIntLiteralCompare1(void) {
+ return (5 < 5); // expected-warning {{comparison of identical expressions always evaluates to false}}
+}
+
+int checkLessThanIntLiteralCompare2(void) {
+ return (6 < 7); // no warning
+}
+
+int checkLessThanIntDeclCompare1(void) {
+ int f = 7;
+ int g = 7;
+ return (f < g); // no warning
+}
+
+int checkLessThanIntDeclCompare3(void) {
+ int f = 7;
+ return (f < 7); // no warning
+}
+
+int checkLessThanIntDeclCompare4(void) {
+ int f = 7;
+ return (7 < f); // no warning
+}
+
+int checkLessThanIntDeclCompare5(void) {
+ int f = 7;
+ int t = 7;
+ return (t < f); // no warning
+}
+
+int checkLessThanIntDeclCompare6(void) {
+ int f = 7;
+ int t = 7;
+ return (f < t); // no warning
+}
+
+int checkLessThanCastIntDeclCompare11(void) {
+ int f = 7;
+ return ((int)f < (int)f); // expected-warning {{comparison of identical expressions always evaluates to false}}
+}
+int checkLessThanCastIntDeclCompare12(void) {
+ int f = 7;
+ return ((char)f < (int)f); // no warning
+}
+int checkLessThanBinaryOpIntCompare1(void) {
+ int res;
+ int f= 3;
+ res = (f + 3 < f + 3); // expected-warning {{comparison of identical expressions always evaluates to false}}
+ return (0);
+}
+int checkLessThanBinaryOpIntCompare2(void) {
+ int f = 7;
+ int g = 7;
+ return (f + 3 < g + 3); // no warning
+}
+int checkLessThanBinaryOpIntCompare3(void) {
+ int res;
+ int f= 3;
+ res = ((int)f + 3 < (int)f + 3); // expected-warning {{comparison of identical expressions always evaluates to false}}
+ return (0);
+}
+int checkLessThanBinaryOpIntCompare4(void) {
+ int res;
+ int f= 3;
+ res = ((int)f + 3 < (char)f + 3); // no warning
+ return (0);
+}
+
+int checkLessThanNestedBinaryOpIntCompare1(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ int f= 3;
+ res = (((int)f + (3 - u)*t) < ((int)f + (3 - u)*t)); // expected-warning {{comparison of identical expressions always evaluates to false}}
+ return (0);
+}
+
+int checkLessThanNestedBinaryOpIntCompare2(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ int f= 3;
+ res = (((int)f + (u - 3)*t) < ((int)f + (3 - u)*t)); // no warning
+ return (0);
+}
+
+int checkLessThanNestedBinaryOpIntCompare3(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ int f= 3;
+ res = (((int)f + (u - 3)*t) < ((int)f + (3 - u)*(t + u < t + u))); // expected-warning {{comparison of identical expressions always evaluates to false}}
+ return (0);
+}
+
+/* end LT with int */
+
+/* end LT */
+
+
+/* GT */
+
+/* GT with float */
+
+int checkGreaterThanFloatLiteralCompare1(void) {
+ return (5.14F > 5.14F); // expected-warning {{comparison of identical expressions always evaluates to false}}
+}
+
+int checkGreaterThanFloatLiteralCompare2(void) {
+ return (6.14F > 7.14F); // no warning
+}
+
+int checkGreaterThanFloatDeclCompare1(void) {
+ float f = 7.1F;
+ float g = 7.1F;
+
+ return (f > g); // no warning
+}
+
+int checkGreaterThanFloatDeclCompare12(void) {
+ float f = 7.1F;
+ return (f > f); // expected-warning {{comparison of identical expressions always evaluates to false}}
+}
+
+
+int checkGreaterThanFloatDeclCompare3(void) {
+ float f = 7.1F;
+ return (f > 7.1F); // no warning
+}
+
+int checkGreaterThanFloatDeclCompare4(void) {
+ float f = 7.1F;
+ return (7.1F > f); // no warning
+}
+
+int checkGreaterThanFloatDeclCompare5(void) {
+ float f = 7.1F;
+ int t = 7;
+ return (t > f); // no warning
+}
+
+int checkGreaterThanFloatDeclCompare6(void) {
+ float f = 7.1F;
+ int t = 7;
+ return (f > t); // no warning
+}
+
+int checkGreaterThanCastFloatDeclCompare11(void) {
+ float f = 7.1F;
+ return ((int)f > (int)f); // expected-warning {{comparison of identical expressions always evaluates to false}}
+}
+int checkGreaterThanCastFloatDeclCompare12(void) {
+ float f = 7.1F;
+ return ((char)f > (int)f); // no warning
+}
+int checkGreaterThanBinaryOpFloatCompare1(void) {
+ int res;
+ float f= 3.14F;
+ res = (f + 3.14F > f + 3.14F); // no warning
+ return (0);
+}
+int checkGreaterThanBinaryOpFloatCompare2(void) {
+ float f = 7.1F;
+ float g = 7.1F;
+ return (f + 3.14F > g + 3.14F); // no warning
+}
+int checkGreaterThanBinaryOpFloatCompare3(void) {
+ int res;
+ float f= 3.14F;
+ res = ((int)f + 3.14F > (int)f + 3.14F); // no warning
+ return (0);
+}
+int checkGreaterThanBinaryOpFloatCompare4(void) {
+ int res;
+ float f= 3.14F;
+ res = ((int)f + 3.14F > (char)f + 3.14F); // no warning
+ return (0);
+}
+
+int checkGreaterThanNestedBinaryOpFloatCompare1(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ float f= 3.14F;
+ res = (((int)f + (3.14F - u)*t) > ((int)f + (3.14F - u)*t)); // no warning
+ return (0);
+}
+
+int checkGreaterThanNestedBinaryOpFloatCompare2(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ float f= 3.14F;
+ res = (((int)f + (u - 3.14F)*t) > ((int)f + (3.14F - u)*t)); // no warning
+ return (0);
+}
+
+int checkGreaterThanNestedBinaryOpFloatCompare3(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ float f= 3.14F;
+ res = (((int)f + (u - 3.14F)*t) > ((int)f + (3.14F - u)*(f + t > f + t))); // no warning
+ return (0);
+}
+
+/* end GT with float */
+
+/* GT with int */
+
+
+int checkGreaterThanIntLiteralCompare1(void) {
+ return (5 > 5); // expected-warning {{comparison of identical expressions always evaluates to false}}
+}
+
+int checkGreaterThanIntLiteralCompare2(void) {
+ return (6 > 7); // no warning
+}
+
+int checkGreaterThanIntDeclCompare1(void) {
+ int f = 7;
+ int g = 7;
+
+ return (f > g); // no warning
+}
+
+int checkGreaterThanIntDeclCompare3(void) {
+ int f = 7;
+ return (f > 7); // no warning
+}
+
+int checkGreaterThanIntDeclCompare4(void) {
+ int f = 7;
+ return (7 > f); // no warning
+}
+
+int checkGreaterThanCastIntDeclCompare11(void) {
+ int f = 7;
+ return ((int)f > (int)f); // expected-warning {{comparison of identical expressions always evaluates to false}}
+}
+int checkGreaterThanCastIntDeclCompare12(void) {
+ int f = 7;
+ return ((char)f > (int)f); // no warning
+}
+int checkGreaterThanBinaryOpIntCompare1(void) {
+ int res;
+ int f= 3;
+ res = (f + 3 > f + 3); // expected-warning {{comparison of identical expressions always evaluates to false}}
+ return (0);
+}
+int checkGreaterThanBinaryOpIntCompare2(void) {
+ int f = 7;
+ int g = 7;
+ return (f + 3 > g + 3); // no warning
+}
+int checkGreaterThanBinaryOpIntCompare3(void) {
+ int res;
+ int f= 3;
+ res = ((int)f + 3 > (int)f + 3); // expected-warning {{comparison of identical expressions always evaluates to false}}
+ return (0);
+}
+int checkGreaterThanBinaryOpIntCompare4(void) {
+ int res;
+ int f= 3;
+ res = ((int)f + 3 > (char)f + 3); // no warning
+ return (0);
+}
+
+int checkGreaterThanNestedBinaryOpIntCompare1(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ int f= 3;
+ res = (((int)f + (3 - u)*t) > ((int)f + (3 - u)*t)); // expected-warning {{comparison of identical expressions always evaluates to false}}
+ return (0);
+}
+
+int checkGreaterThanNestedBinaryOpIntCompare2(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ int f= 3;
+ res = (((int)f + (u - 3)*t) > ((int)f + (3 - u)*t)); // no warning
+ return (0);
+}
+
+int checkGreaterThanNestedBinaryOpIntCompare3(void) {
+ int res;
+ int t= 1;
+ int u= 2;
+ int f= 3;
+ res = (((int)f + (u - 3)*t) > ((int)f + (3 - u)*(t + u > t + u))); // expected-warning {{comparison of identical expressions always evaluates to false}}
+ return (0);
+}
+
+/* end GT with int */
+
+/* end GT */
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