| // RUN: %clang_cc1 -S -fno-strict-float-cast-overflow %s -emit-llvm -o - | FileCheck %s --check-prefix=NOSTRICT |
| |
| // When compiling with non-standard semantics, use intrinsics to inhibit the optimizer. |
| // This used to require a function attribute, so we check that it is NOT here anymore. |
| |
| // NOSTRICT-LABEL: main |
| // NOSTRICT: call i32 @llvm.fptosi.sat.i32.f64 |
| // NOSTRICT: call i32 @llvm.fptoui.sat.i32.f64 |
| // NOSTRICT-NOT: strict-float-cast-overflow |
| |
| // The workaround attribute is not applied by default. |
| |
| // RUN: %clang_cc1 -S %s -emit-llvm -o - | FileCheck %s --check-prefix=STRICT |
| // STRICT-LABEL: main |
| // STRICT: = fptosi |
| // STRICT: = fptoui |
| // STRICT-NOT: strict-float-cast-overflow |
| |
| |
| int main() { |
| double d = 1e20; |
| return (int)d != 1e20 && (unsigned)d != 1e20; |
| } |
