clang/test/CodeGen/PowerPC/builtins-ppc-xlcompat-popcnt.c

   1 // REQUIRES: powerpc-registered-target
   2 // RUN: %clang_cc1 -triple powerpc64-unknown-linux-gnu \
   3 // RUN:   -emit-llvm %s -o - -target-cpu pwr7 | FileCheck %s
   4 // RUN: %clang_cc1 -triple powerpc64le-unknown-linux-gnu \
   5 // RUN:   -emit-llvm %s -o - -target-cpu pwr8 | FileCheck %s
   6 // RUN: %clang_cc1 -triple powerpc-unknown-aix \
   7 // RUN:   -emit-llvm %s -o - -target-cpu pwr7 | FileCheck %s
   8 // RUN: %clang_cc1 -triple powerpc64-unknown-aix \
   9 // RUN:   -emit-llvm %s -o - -target-cpu pwr7 | FileCheck %s
  10
  11 extern unsigned int ui;
  12 extern unsigned long long ull;
  13
  14 // CHECK-LABEL: @test_builtin_ppc_poppar4(
  15 // CHECK:         [[TMP2:%.*]] = call i32 @llvm.ctpop.i32(i32 {{.*}})
  16 // CHECK-NEXT:    [[TMP3:%.*]] = and i32 [[TMP2]], 1
  17 // CHECK-NEXT:    ret i32 [[TMP3]]
  18 //
  19 int test_builtin_ppc_poppar4() {
  20  return __builtin_ppc_poppar4(ui);
  21 }
  22
  23 // CHECK-LABEL: @test_builtin_ppc_poppar8(
  24 // CHECK:         [[TMP2:%.*]] = call i64 @llvm.ctpop.i64(i64 {{.*}})
  25 // CHECK-NEXT:    [[TMP3:%.*]] = and i64 [[TMP2]], 1
  26 // CHECK-NEXT:    [[CAST:%.*]] = trunc i64 [[TMP3]] to i32
  27 // CHECK-NEXT:    ret i32 [[CAST]]
  28 //
  29 int test_builtin_ppc_poppar8() {
  30  return __builtin_ppc_poppar8(ull);
  31 }
  32
  33 // CHECK-LABEL: @testcntlz4(
  34 // CHECK:         [[TMP:%.*]] = call i32 @llvm.ctlz.i32(i32 {{%.*}}, i1 false)
  35 // CHECK-NEXT:    ret i32 [[TMP]]
  36 //
  37 unsigned int testcntlz4(unsigned int value) {
  38   return __cntlz4(value);
  39 }
  40
  41 // CHECK-LABEL: @testcntlz8(
  42 // CHECK:         [[TMP:%.*]] = call i64 @llvm.ctlz.i64(i64 {{%.*}}, i1 false)
  43 // CHECK-NEXT:    [[CAST:%.*]] = trunc i64 [[TMP]] to i32
  44 // CHECK-NEXT:    ret i32 [[CAST]]
  45 //
  46 unsigned int testcntlz8(unsigned long long value) {
  47   return __cntlz8(value);
  48 }
  49
  50 // CHECK-LABEL: @testcnttz4(
  51 // CHECK:         [[TMP:%.*]] = call i32 @llvm.cttz.i32(i32 {{%.*}}, i1 false)
  52 // CHECK-NEXT:    ret i32 [[TMP]]
  53 //
  54 unsigned int testcnttz4(unsigned int value) {
  55   return __cnttz4(value);
  56 }
  57
  58 // CHECK-LABEL: @testcnttz8(
  59 // CHECK:         [[TMP:%.*]] = call i64 @llvm.cttz.i64(i64 {{%.*}}, i1 false)
  60 // CHECK-NEXT:    [[CAST:%.*]] = trunc i64 [[TMP]] to i32
  61 // CHECK-NEXT:    ret i32 [[CAST]]
  62 //
  63 unsigned int testcnttz8(unsigned long long value) {
  64   return __cnttz8(value);
  65 }
  66
  67 // CHECK-LABEL: @testpopcnt4(
  68 // CHECK:         [[TMP:%.*]] = call i32 @llvm.ctpop.i32(i32 {{%.*}})
  69 // CHECK-NEXT:    ret i32 [[TMP]]
  70 //
  71 int testpopcnt4(unsigned int value) {
  72   return __popcnt4(value);
  73 }
  74
  75 // CHECK-LABEL: @testpopcnt8(
  76 // CHECK:         [[TMP:%.*]] = call i64 @llvm.ctpop.i64(i64 {{%.*}})
  77 // CHECK-NEXT:    [[CAST:%.*]] = trunc i64 [[TMP]] to i32
  78 // CHECK-NEXT:    ret i32 [[CAST]]
  79 //
  80 int testpopcnt8(unsigned long long value) {
  81   return __popcnt8(value);
  82 }