clang/test/CodeGen/pragma-cx-limited-range.c

   1 // RUN: %clang_cc1 %s -O0 -emit-llvm -triple x86_64-unknown-unknown \
   2 // RUN: -o - | FileCheck %s --check-prefix=FULL
   3
   4 // RUN: %clang_cc1 %s -O0 -emit-llvm -triple x86_64-unknown-unknown \
   5 // RUN: -complex-range=limited -o - | FileCheck --check-prefix=LMTD %s
   6
   7 // RUN: %clang_cc1 %s -O0 -emit-llvm -triple x86_64-unknown-unknown \
   8 // RUN: -fno-cx-limited-range -o - | FileCheck %s --check-prefix=FULL
   9
  10 // RUN: %clang_cc1 %s -O0 -emit-llvm -triple x86_64-unknown-unknown \
  11 // RUN: -complex-range=fortran -o - | FileCheck --check-prefix=FRTRN %s
  12
  13 // RUN: %clang_cc1 %s -O0 -emit-llvm -triple x86_64-unknown-unknown \
  14 // RUN: -fno-cx-fortran-rules -o - | FileCheck --check-prefix=FULL %s
  15
  16 _Complex float pragma_on_mul(_Complex float a, _Complex float b) {
  17 #pragma STDC CX_LIMITED_RANGE ON
  18   // LABEL: define {{.*}} @pragma_on_mul(
  19   // FULL: fmul float
  20   // FULL-NEXT: fmul float
  21   // FULL-NEXT: fmul float
  22   // FULL-NEXT: fmul float
  23   // FULL-NEXT: fsub float
  24   // FULL-NEXT: fadd float
  25
  26   // LMTD: fmul float
  27   // LMTD-NEXT: fmul float
  28   // LMTD-NEXT: fmul float
  29   // LMTD-NEXT: fmul float
  30   // LMTD-NEXT: fsub float
  31   // LMTD-NEXT: fadd float
  32
  33   // FRTRN: fmul float
  34   // FRTRN-NEXT: fmul float
  35   // FRTRN-NEXT: fmul float
  36   // FRTRN-NEXT: fmul float
  37   // FRTRN-NEXT: fsub float
  38   // FRTRN-NEXT: fadd float
  39
  40   return a * b;
  41 }
  42
  43 _Complex float pragma_off_mul(_Complex float a, _Complex float b) {
  44 #pragma STDC CX_LIMITED_RANGE OFF
  45   // LABEL: define {{.*}} @pragma_off_mul(
  46   // FULL: call {{.*}} @__mulsc3
  47
  48   // LMTD: call {{.*}} @__mulsc3
  49
  50   // FRTRN: call {{.*}} @__mulsc3
  51
  52   return a * b;
  53 }
  54
  55 _Complex float pragma_on_div(_Complex float a, _Complex float b) {
  56 #pragma STDC CX_LIMITED_RANGE ON
  57   // LABEL: define {{.*}} @pragma_on_div(
  58   // FULL: fmul float
  59   // FULL-NEXT: fmul float
  60   // FULL-NEXT: fadd float
  61   // FULL-NEXT: fmul float
  62   // FULL-NEXT: fmul float
  63   // FULL-NEXT: fadd float
  64   // FULL-NEXT: fmul float
  65   // FULL-NEXT: fmul float
  66   // FULL-NEXT: fsub float
  67   // FULL-NEXT: fdiv float
  68   // FULL: fdiv float
  69
  70   // LMTD: fmul float
  71   // LMTD-NEXT: fmul float
  72   // LMTD-NEXT: fadd float
  73   // LMTD-NEXT: fmul float
  74   // LMTD-NEXT: fmul float
  75   // LMTD-NEXT: fadd float
  76   // LMTD-NEXT: fmul float
  77   // LMTD-NEXT: fmul float
  78   // LMTD-NEXT: fsub float
  79   // LMTD-NEXT: fdiv float
  80   // LMTD-NEXT: fdiv float
  81
  82   // FRTRN: fmul float
  83   // FRTRN-NEXT: fmul float
  84   // FRTRN-NEXT: fadd float
  85   // FRTRN-NEXT: fmul float
  86   // FRTRN-NEXT: fmul float
  87   // FRTRN-NEXT: fadd float
  88   // FRTRN-NEXT: fmul float
  89   // FRTRN-NEXT: fmul float
  90   // FRTRN-NEXT: fsub float
  91   // FRTRN-NEXT: fdiv float
  92   // FRTRN-NEXT: fdiv float
  93
  94   return a / b;
  95 }
  96
  97 _Complex float pragma_off_div(_Complex float a, _Complex float b) {
  98 #pragma STDC CX_LIMITED_RANGE OFF
  99   // LABEL: define {{.*}} @pragma_off_div(
 100   // FULL: call {{.*}} @__divsc3
 101
 102   // LMTD: call {{.*}} @__divsc3
 103
 104   // FRTRN: call {{.*}} @__divsc3
 105
 106   return a / b;
 107 }