| // RUN: %clang_cc1 -emit-llvm-bc -disable-llvm-passes -o %t.bc %s |
| // RUN: llvm-dis %t.bc -o - | FileCheck %s |
| |
| // Test case for PR45426. Make sure we do not crash while writing bitcode |
| // containing a simplify-able fneg constant expression. Check that the created |
| // bitcode file can be disassembled and has the constant expressions simplified. |
| // |
| // CHECK-LABEL define i32 @main() |
| // CHECK: entry: |
| // CHECK-NEXT: %retval = alloca i32 |
| // CHECK-NEXT: store i32 0, i32* %retval |
| // CHECK-NEXT: [[LV:%.*]] = load float*, float** @c |
| // CHECK-NEXT: store float 1.000000e+00, float* [[LV]], align 4 |
| // CHECK-NEXT: ret i32 -1 |
| |
| int a[], b; |
| float *c; |
| int main() { |
| return -(*c = &b != a); |
| } |