clang/test/CodeGen/builtin-cpu-is.c

   1 // RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -emit-llvm < %s| FileCheck %s
   2
   3 // Test that we have the structure definition, the gep offsets, the name of the
   4 // global, the bit grab, and the icmp correct.
   5 extern void a(const char *);
   6
   7 // CHECK: @__cpu_model = external dso_local global { i32, i32, i32, [1 x i32] }
   8
   9 void intel(void) {
  10   if (__builtin_cpu_is("intel"))
  11     a("intel");
  12
  13   // CHECK: [[LOAD:%[^ ]+]] = load i32, ptr @__cpu_model
  14   // CHECK: = icmp eq i32 [[LOAD]], 1
  15 }
  16
  17 void amd(void) {
  18   if (__builtin_cpu_is("amd"))
  19     a("amd");
  20
  21   // CHECK: [[LOAD:%[^ ]+]] = load i32, ptr @__cpu_model
  22   // CHECK: = icmp eq i32 [[LOAD]], 2
  23 }
  24
  25 void atom(void) {
  26   if (__builtin_cpu_is("atom"))
  27     a("atom");
  28
  29   // CHECK: [[LOAD:%[^ ]+]] = load i32, ptr getelementptr inbounds ({ i32, i32, i32, [1 x i32] }, ptr @__cpu_model, i32 0, i32 1)
  30   // CHECK: = icmp eq i32 [[LOAD]], 1
  31 }
  32
  33 void amdfam10h(void) {
  34   if (__builtin_cpu_is("amdfam10h"))
  35     a("amdfam10h");
  36
  37   // CHECK: [[LOAD:%[^ ]+]] = load i32, ptr getelementptr inbounds ({ i32, i32, i32, [1 x i32] }, ptr @__cpu_model, i32 0, i32 1)
  38   // CHECK: = icmp eq i32 [[LOAD]], 4
  39 }
  40
  41 void barcelona(void) {
  42   if (__builtin_cpu_is("barcelona"))
  43     a("barcelona");
  44
  45   // CHECK: [[LOAD:%[^ ]+]] = load i32, ptr getelementptr inbounds ({ i32, i32, i32, [1 x i32] }, ptr @__cpu_model, i32 0, i32 2)
  46   // CHECK: = icmp eq i32 [[LOAD]], 4
  47 }
  48
  49 void nehalem(void) {
  50   if (__builtin_cpu_is("nehalem"))
  51     a("nehalem");
  52
  53   // CHECK: [[LOAD:%[^ ]+]] = load i32, ptr getelementptr inbounds ({ i32, i32, i32, [1 x i32] }, ptr @__cpu_model, i32 0, i32 2)
  54   // CHECK: = icmp eq i32 [[LOAD]], 1
  55 }