// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -emit-llvm < %s| FileCheck %s // Test that we have the structure definition, the gep offsets, the name of the // global, the bit grab, and the icmp correct. extern void a(const char *); // CHECK: @__cpu_model = external dso_local global { i32, i32, i32, [1 x i32] } // CHECK: @__cpu_features2 = external dso_local global i32 int main() { __builtin_cpu_init(); // CHECK: call void @__cpu_indicator_init if (__builtin_cpu_supports("sse4.2")) a("sse4.2"); // CHECK: [[LOAD:%[^ ]+]] = load i32, i32* getelementptr inbounds ({ i32, i32, i32, [1 x i32] }, { i32, i32, i32, [1 x i32] }* @__cpu_model, i32 0, i32 3, i32 0) // CHECK: [[AND:%[^ ]+]] = and i32 [[LOAD]], 256 // CHECK: = icmp eq i32 [[AND]], 256 if (__builtin_cpu_supports("gfni")) a("gfni"); // CHECK: [[LOAD:%[^ ]+]] = load i32, i32* @__cpu_features2 // CHECK: [[AND:%[^ ]+]] = and i32 [[LOAD]], 1 // CHECK: = icmp eq i32 [[AND]], 1 return 0; } // CHECK: declare dso_local void @__cpu_indicator_init()