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

   1 // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 4
   2 // RUN: %clang_cc1 -triple x86_64-linux-gnu -target-cpu core2 %s -emit-llvm -o - | FileCheck -check-prefixes=X64 %s
   3 // RUN: %clang_cc1 -triple i686-linux-gnu -target-cpu core2 %s -emit-llvm -o - | FileCheck -check-prefixes=X86 %s
   4
   5
   6 // X64-LABEL: define dso_local double @test_double_post_inc(
   7 // X64-SAME: ) #[[ATTR0:[0-9]+]] {
   8 // X64-NEXT:  entry:
   9 // X64-NEXT:    [[TMP0:%.*]] = atomicrmw fadd ptr @test_double_post_inc.n, double 1.000000e+00 seq_cst, align 8
  10 // X64-NEXT:    ret double [[TMP0]]
  11 //
  12 // X86-LABEL: define dso_local double @test_double_post_inc(
  13 // X86-SAME: ) #[[ATTR0:[0-9]+]] {
  14 // X86-NEXT:  entry:
  15 // X86-NEXT:    [[TMP0:%.*]] = atomicrmw fadd ptr @test_double_post_inc.n, double 1.000000e+00 seq_cst, align 8
  16 // X86-NEXT:    ret double [[TMP0]]
  17 //
  18 double test_double_post_inc()
  19 {
  20     static _Atomic double n;
  21     return n++;
  22 }
  23
  24 // X64-LABEL: define dso_local double @test_double_post_dc(
  25 // X64-SAME: ) #[[ATTR0]] {
  26 // X64-NEXT:  entry:
  27 // X64-NEXT:    [[TMP0:%.*]] = atomicrmw fsub ptr @test_double_post_dc.n, double 1.000000e+00 seq_cst, align 8
  28 // X64-NEXT:    ret double [[TMP0]]
  29 //
  30 // X86-LABEL: define dso_local double @test_double_post_dc(
  31 // X86-SAME: ) #[[ATTR0]] {
  32 // X86-NEXT:  entry:
  33 // X86-NEXT:    [[TMP0:%.*]] = atomicrmw fsub ptr @test_double_post_dc.n, double 1.000000e+00 seq_cst, align 8
  34 // X86-NEXT:    ret double [[TMP0]]
  35 //
  36 double test_double_post_dc()
  37 {
  38     static _Atomic double n;
  39     return n--;
  40 }
  41
  42 // X64-LABEL: define dso_local double @test_double_pre_dc(
  43 // X64-SAME: ) #[[ATTR0]] {
  44 // X64-NEXT:  entry:
  45 // X64-NEXT:    [[TMP0:%.*]] = atomicrmw fsub ptr @test_double_pre_dc.n, double 1.000000e+00 seq_cst, align 8
  46 // X64-NEXT:    [[TMP1:%.*]] = fsub double [[TMP0]], 1.000000e+00
  47 // X64-NEXT:    ret double [[TMP1]]
  48 //
  49 // X86-LABEL: define dso_local double @test_double_pre_dc(
  50 // X86-SAME: ) #[[ATTR0]] {
  51 // X86-NEXT:  entry:
  52 // X86-NEXT:    [[TMP0:%.*]] = atomicrmw fsub ptr @test_double_pre_dc.n, double 1.000000e+00 seq_cst, align 8
  53 // X86-NEXT:    [[TMP1:%.*]] = fsub double [[TMP0]], 1.000000e+00
  54 // X86-NEXT:    ret double [[TMP1]]
  55 //
  56 double test_double_pre_dc()
  57 {
  58     static _Atomic double n;
  59     return --n;
  60 }
  61
  62 // X64-LABEL: define dso_local double @test_double_pre_inc(
  63 // X64-SAME: ) #[[ATTR0]] {
  64 // X64-NEXT:  entry:
  65 // X64-NEXT:    [[TMP0:%.*]] = atomicrmw fadd ptr @test_double_pre_inc.n, double 1.000000e+00 seq_cst, align 8
  66 // X64-NEXT:    [[TMP1:%.*]] = fadd double [[TMP0]], 1.000000e+00
  67 // X64-NEXT:    ret double [[TMP1]]
  68 //
  69 // X86-LABEL: define dso_local double @test_double_pre_inc(
  70 // X86-SAME: ) #[[ATTR0]] {
  71 // X86-NEXT:  entry:
  72 // X86-NEXT:    [[TMP0:%.*]] = atomicrmw fadd ptr @test_double_pre_inc.n, double 1.000000e+00 seq_cst, align 8
  73 // X86-NEXT:    [[TMP1:%.*]] = fadd double [[TMP0]], 1.000000e+00
  74 // X86-NEXT:    ret double [[TMP1]]
  75 //
  76 double test_double_pre_inc()
  77 {
  78     static _Atomic double n;
  79     return ++n;
  80 }
  81
  82 // X64-LABEL: define dso_local i32 @pr107054(
  83 // X64-SAME: ) #[[ATTR0]] {
  84 // X64-NEXT:  entry:
  85 // X64-NEXT:    [[TMP0:%.*]] = atomicrmw fadd ptr @pr107054.n, double 1.000000e+00 seq_cst, align 8
  86 // X64-NEXT:    [[TMP1:%.*]] = fadd double [[TMP0]], 1.000000e+00
  87 // X64-NEXT:    [[CMP:%.*]] = fcmp oeq double [[TMP1]], 1.000000e+00
  88 // X64-NEXT:    [[CONV:%.*]] = zext i1 [[CMP]] to i32
  89 // X64-NEXT:    ret i32 [[CONV]]
  90 //
  91 // X86-LABEL: define dso_local i32 @pr107054(
  92 // X86-SAME: ) #[[ATTR0]] {
  93 // X86-NEXT:  entry:
  94 // X86-NEXT:    [[TMP0:%.*]] = atomicrmw fadd ptr @pr107054.n, double 1.000000e+00 seq_cst, align 8
  95 // X86-NEXT:    [[TMP1:%.*]] = fadd double [[TMP0]], 1.000000e+00
  96 // X86-NEXT:    [[CMP:%.*]] = fcmp oeq double [[TMP1]], 1.000000e+00
  97 // X86-NEXT:    [[CONV:%.*]] = zext i1 [[CMP]] to i32
  98 // X86-NEXT:    ret i32 [[CONV]]
  99 //
 100 int pr107054()
 101 {
 102     static _Atomic double n;
 103     return (++n) == 1;
 104 }