clang/test/CodeGen/PowerPC/builtins-ppc-xlcompat-LoadReseve-StoreCond.c

   1 // REQUIRES: powerpc-registered-target
   2 // RUN: %clang_cc1 -O2 -target-cpu pwr8 -triple=powerpc-unknown-aix \
   3 // RUN:  -emit-llvm %s -o - | FileCheck %s
   4 // RUN: %clang_cc1 -O2 -target-cpu pwr8 -triple=powerpc64-unknown-aix \
   5 // RUN:  -emit-llvm %s -o - | FileCheck %s
   6 // RUN: %clang_cc1 -O2 -target-cpu pwr8 -triple=powerpc64le-unknown-linux-gnu \
   7 // RUN:  -emit-llvm %s -o - | FileCheck %s
   8 // RUN: %clang_cc1 -O2 -target-cpu pwr8 -triple=powerpc64-unknown-linux-gnu \
   9 // RUN:  -emit-llvm %s -o - | FileCheck %s
  10 // RAUN: not %clang_cc1 -O2 -target-cpu pwr7 -triple=powerpc-unknown-aix \
  11 // RAUN:  -emit-llvm %s -o - 2>&1 | FileCheck %s \
  12 // RAUN:  --check-prefix=CHECK-NON-PWR8-ERR
  13
  14 int test_lwarx(volatile int* a) {
  15   // CHECK-LABEL: @test_lwarx
  16   // CHECK: %0 = tail call i32 asm sideeffect "lwarx $0, ${1:y}", "=r,*Z,~{memory}"(ptr elementtype(i32) %a)
  17   return __lwarx(a);
  18 }
  19
  20 short test_lharx(volatile short *a) {
  21   // CHECK-LABEL: @test_lharx
  22   // CHECK: %0 = tail call i16 asm sideeffect "lharx $0, ${1:y}", "=r,*Z,~{memory}"(ptr elementtype(i16) %a)
  23   // CHECK-NON-PWR8-ERR:  error: this builtin is only valid on POWER8 or later CPUs
  24   return __lharx(a);
  25 }
  26
  27 char test_lbarx(volatile char *a) {
  28   // CHECK-LABEL: @test_lbarx
  29   // CHECK: %0 = tail call i8 asm sideeffect "lbarx $0, ${1:y}", "=r,*Z,~{memory}"(ptr elementtype(i8) %a)
  30   // CHECK-NON-PWR8-ERR:  error: this builtin is only valid on POWER8 or later CPUs
  31   return __lbarx(a);
  32 }
  33
  34 int test_stwcx(volatile int* a, int val) {
  35   // CHECK-LABEL: @test_stwcx
  36   // CHECK: %0 = tail call i32 @llvm.ppc.stwcx(ptr %a, i32 %val)
  37   return __stwcx(a, val);
  38 }
  39
  40 int test_sthcx(volatile short *a, short val) {
  41   // CHECK-LABEL: @test_sthcx
  42   // CHECK: %0 = sext i16 %val to i32
  43   // CHECK: %1 = tail call i32 @llvm.ppc.sthcx(ptr %a, i32 %0)
  44   // CHECK-NON-PWR8-ERR:  error: this builtin is only valid on POWER8 or later CPUs
  45   return __sthcx(a, val);
  46 }
  47
  48 // Extra test cases that previously caused error during usage.
  49 int test_lharx_intret(volatile short *a) {
  50   // CHECK-LABEL: @test_lharx_intret
  51   // CHECK: %0 = tail call i16 asm sideeffect "lharx $0, ${1:y}", "=r,*Z,~{memory}"(ptr elementtype(i16) %a)
  52   // CHECK-NON-PWR8-ERR:  error: this builtin is only valid on POWER8 or later CPUs
  53   return __lharx(a);
  54 }
  55
  56 int test_lbarx_intret(volatile char *a) {
  57   // CHECK-LABEL: @test_lbarx_intret
  58   // CHECK: %0 = tail call i8 asm sideeffect "lbarx $0, ${1:y}", "=r,*Z,~{memory}"(ptr elementtype(i8) %a)
  59   // CHECK-NON-PWR8-ERR:  error: this builtin is only valid on POWER8 or later CPUs
  60   return __lbarx(a);
  61 }