1 // RUN: %clang_cc1 -x cl -O0 -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s 2 // OpenCL essentially reduces all shift amounts to the last word-size bits before evaluating. 3 // Test this both for variables and constants evaluated in the front-end. 4 5 // CHECK: @gtest1 = constant i64 2147483648 6 __constant const unsigned long gtest1 = 1UL << 31; 7 8 // CHECK: @negativeShift32 9 int negativeShift32(int a,int b) { 10 // CHECK: %array0 = alloca [256 x i8] 11 char array0[((int)1)<<40]; 12 // CHECK: %array1 = alloca [256 x i8] 13 char array1[((int)1)<<(-24)]; 14 15 // CHECK: ret i32 65536 16 return ((int)1)<<(-16); 17 } 18
