clang/test/CodeGen/X86/x86-atomic-float.c

   1 // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 5
   2 // RUN: %clang_cc1 -triple x86_64-linux-gnu -target-cpu core2 %s -emit-llvm -o - | FileCheck %s
   3 // RUN: %clang_cc1 -triple i686-linux-gnu -target-cpu core2 %s -emit-llvm -o - | FileCheck %s
   4
   5
   6 // CHECK-LABEL: define dso_local i32 @test_int_inc(
   7 // CHECK-SAME: ) #[[ATTR0:[0-9]+]] {
   8 // CHECK-NEXT:  [[ENTRY:.*:]]
   9 // CHECK-NEXT:    [[TMP0:%.*]] = atomicrmw add ptr @test_int_inc.n, i32 1 seq_cst, align 4
  10 // CHECK-NEXT:    ret i32 [[TMP0]]
  11 //
  12 int test_int_inc()
  13 {
  14     static _Atomic int n;
  15     return n++;
  16 }
  17
  18 // CHECK-LABEL: define dso_local float @test_float_post_inc(
  19 // CHECK-SAME: ) #[[ATTR0]] {
  20 // CHECK-NEXT:  [[ENTRY:.*:]]
  21 // CHECK-NEXT:    [[TMP0:%.*]] = atomicrmw fadd ptr @test_float_post_inc.n, float 1.000000e+00 seq_cst, align 4
  22 // CHECK-NEXT:    ret float [[TMP0]]
  23 //
  24 float test_float_post_inc()
  25 {
  26     static _Atomic float n;
  27     return n++;
  28 }
  29
  30 // CHECK-LABEL: define dso_local float @test_float_post_dc(
  31 // CHECK-SAME: ) #[[ATTR0]] {
  32 // CHECK-NEXT:  [[ENTRY:.*:]]
  33 // CHECK-NEXT:    [[TMP0:%.*]] = atomicrmw fsub ptr @test_float_post_dc.n, float 1.000000e+00 seq_cst, align 4
  34 // CHECK-NEXT:    ret float [[TMP0]]
  35 //
  36 float test_float_post_dc()
  37 {
  38     static _Atomic float n;
  39     return n--;
  40 }
  41
  42 // CHECK-LABEL: define dso_local float @test_float_pre_dc(
  43 // CHECK-SAME: ) #[[ATTR0]] {
  44 // CHECK-NEXT:  [[ENTRY:.*:]]
  45 // CHECK-NEXT:    [[TMP0:%.*]] = atomicrmw fsub ptr @test_float_pre_dc.n, float 1.000000e+00 seq_cst, align 4
  46 // CHECK-NEXT:    [[TMP1:%.*]] = fsub float [[TMP0]], 1.000000e+00
  47 // CHECK-NEXT:    ret float [[TMP1]]
  48 //
  49 float test_float_pre_dc()
  50 {
  51     static _Atomic float n;
  52     return --n;
  53 }
  54
  55 // CHECK-LABEL: define dso_local float @test_float_pre_inc(
  56 // CHECK-SAME: ) #[[ATTR0]] {
  57 // CHECK-NEXT:  [[ENTRY:.*:]]
  58 // CHECK-NEXT:    [[TMP0:%.*]] = atomicrmw fadd ptr @test_float_pre_inc.n, float 1.000000e+00 seq_cst, align 4
  59 // CHECK-NEXT:    [[TMP1:%.*]] = fadd float [[TMP0]], 1.000000e+00
  60 // CHECK-NEXT:    ret float [[TMP1]]
  61 //
  62 float test_float_pre_inc()
  63 {
  64     static _Atomic float n;
  65     return ++n;
  66 }