llvm-for-llvmta/tools/clang/test/CodeGen/bitfield-promote.c

23 lines
498 B
C

// RUN: %clang -O3 -emit-llvm -S -o - %s | FileCheck %s
long long f0(void) {
struct { unsigned f0 : 32; } x = { 18 };
return (long long) (x.f0 - (int) 22);
}
// CHECK: @f0()
// CHECK: ret i64 4294967292
long long f1(void) {
struct { unsigned f0 : 31; } x = { 18 };
return (long long) (x.f0 - (int) 22);
}
// CHECK: @f1()
// CHECK: ret i64 -4
long long f2(void) {
struct { unsigned f0 ; } x = { 18 };
return (long long) (x.f0 - (int) 22);
}
// CHECK: @f2()
// CHECK: ret i64 4294967292