Added test cases for -Wfloat-equal to test comparisons against literals that can be
represented exactly and inexactly by APFloats. For the former, we do not emit a
warning.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44425 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/floating-point-compare.c b/test/Sema/floating-point-compare.c
index ac8fed2..e44ff09 100644
--- a/test/Sema/floating-point-compare.c
+++ b/test/Sema/floating-point-compare.c
@@ -1,21 +1,29 @@
// RUN: clang -fsyntax-only -Wfloat-equal -verify %s
-int foo(float x, float y) {
+int f1(float x, float y) {
return x == y; // expected-warning {{comparing floating point with ==}}
}
-int bar(float x, float y) {
+int f2(float x, float y) {
return x != y; // expected-warning {{comparing floating point with ==}}
}
-int qux(float x) {
+int f3(float x) {
return x == x; // no-warning
}
-int baz(float x) {
+int f4(float x) {
return x == 0.0; // expected-warning {{comparing}}
}
-int taz(float x) {
+int f5(float x) {
return x == __builtin_inf(); // no-warning
-}
\ No newline at end of file
+}
+
+int f6(float x) {
+ return x == 0.0; // no-warning
+}
+
+int f7(float x) {
+ return x == 3.14159; // expected-warning {{comparing}}
+}