llvm-project/clang/test/CodeGen/builtins-ppc-int128.c

41 lines
1.8 KiB
C

// REQUIRES: powerpc-registered-target
// RUN: %clang_cc1 -target-feature +altivec -target-feature +vsx \
// RUN: -triple powerpc64-unknown-unknown -target-cpu pwr8 \
// RUN: -emit-llvm %s -o - -U__XL_COMPAT_ALTIVEC__ | FileCheck %s
// RUN: %clang_cc1 -target-feature +altivec -target-feature +vsx \
// RUN: -triple powerpc64le-unknown-unknown -target-cpu pwr8 \
// RUN: -emit-llvm %s -o - -U__XL_COMPAT_ALTIVEC__ | \
// RUN: FileCheck %s -check-prefix=CHECK-LE
#include <altivec.h>
vector signed __int128 res_vslll;
unsigned long long aull[2] = { 1L, 2L };
void testVectorInt128Pack(){
// CHECK-LABEL: testVectorInt128Pack
// CHECK-LABEL-LE: testVectorInt128Pack
res_vslll = __builtin_pack_vector_int128(aull[0], aull[1]);
// CHECK: %[[V1:[0-9]+]] = insertelement <2 x i64> undef, i64 %{{[0-9]+}}, i64 0
// CHECK-NEXT: %[[V2:[0-9]+]] = insertelement <2 x i64> %[[V1]], i64 %{{[0-9]+}}, i64 1
// CHECK-NEXT: bitcast <2 x i64> %[[V2]] to <1 x i128>
// CHECK-LE: %[[V1:[0-9]+]] = insertelement <2 x i64> undef, i64 %{{[0-9]+}}, i64 1
// CHECK-NEXT-LE: %[[V2:[0-9]+]] = insertelement <2 x i64> %[[V1]], i64 %{{[0-9]+}}, i64 0
// CHECK-NEXT-LE: bitcast <2 x i64> %[[V2]] to <1 x i128>
__builtin_unpack_vector_int128(res_vslll, 0);
// CHECK: %[[V1:[0-9]+]] = bitcast <1 x i128> %{{[0-9]+}} to <2 x i64>
// CHECK-NEXT: %{{[0-9]+}} = extractelement <2 x i64> %[[V1]], i32 0
// CHECK-LE: %[[V1:[0-9]+]] = bitcast <1 x i128> %{{[0-9]+}} to <2 x i64>
// CHECK-NEXT-LE: %{{[0-9]+}} = extractelement <2 x i64> %[[V1]], i32 1
__builtin_unpack_vector_int128(res_vslll, 1);
// CHECK: %[[V1:[0-9]+]] = bitcast <1 x i128> %{{[0-9]+}} to <2 x i64>
// CHECK-NEXT: %{{[0-9]+}} = extractelement <2 x i64> %[[V1]], i32 1
// CHECK-LE: %[[V1:[0-9]+]] = bitcast <1 x i128> %{{[0-9]+}} to <2 x i64>
// CHECK-NEXT-LE: %{{[0-9]+}} = extractelement <2 x i64> %[[V1]], i32 0
}