| // RUN: %clang_cc1 -x cl -O0 -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s |
| // OpenCL essentially reduces all shift amounts to the last word-size bits before evaluating. |
| // Test this both for variables and constants evaluated in the front-end. |
| |
| // CHECK: @gtest1 = constant i64 2147483648 |
| __constant const unsigned long gtest1 = 1UL << 31; |
| |
| // CHECK: @negativeShift32 |
| int negativeShift32(int a,int b) { |
| // CHECK: %array0 = alloca [256 x i8] |
| char array0[((int)1)<<40]; |
| // CHECK: %array1 = alloca [256 x i8] |
| char array1[((int)1)<<(-24)]; |
| |
| // CHECK: ret i32 65536 |
| return ((int)1)<<(-16); |
| } |
