This revision was automatically updated to reflect the committed changes.
Closed by commit rL246083: [X86][SSE] Add _mm_undefined_* intrinsics (authored
by RKSimon).
Changed prior to commit:
http://reviews.llvm.org/D12052?vs=32514&id=33249#toc
Repository:
rL LLVM
http://reviews.llvm.org/D12052
Files:
cfe/trunk/include/clang/Basic/BuiltinsX86.def
cfe/trunk/lib/CodeGen/CGBuiltin.cpp
cfe/trunk/lib/Headers/avx512fintrin.h
cfe/trunk/lib/Headers/avxintrin.h
cfe/trunk/lib/Headers/emmintrin.h
cfe/trunk/lib/Headers/xmmintrin.h
cfe/trunk/test/CodeGen/avx-builtins.c
cfe/trunk/test/CodeGen/avx512f-builtins.c
cfe/trunk/test/CodeGen/sse-builtins.c
Index: cfe/trunk/test/CodeGen/avx-builtins.c
===================================================================
--- cfe/trunk/test/CodeGen/avx-builtins.c
+++ cfe/trunk/test/CodeGen/avx-builtins.c
@@ -147,3 +147,21 @@
// CHECK: insertelement <4 x i64> {{.*}}, i64 {{.*}}, i32 {{.*}}
return _mm256_insert_epi64(__a, 42, 3);
}
+
+__m256 test_mm256_undefined_ps() {
+ // CHECK-LABEL: @test_mm256_undefined_ps
+ // CHECK: ret <8 x float> undef
+ return _mm256_undefined_ps();
+}
+
+__m256d test_mm256_undefined_pd() {
+ // CHECK-LABEL: @test_mm256_undefined_pd
+ // CHECK: ret <4 x double> undef
+ return _mm256_undefined_pd();
+}
+
+__m256i test_mm256_undefined_si256() {
+ // CHECK-LABEL: @test_mm256_undefined_si256
+ // CHECK: ret <4 x i64> undef
+ return _mm256_undefined_si256();
+}
Index: cfe/trunk/test/CodeGen/sse-builtins.c
===================================================================
--- cfe/trunk/test/CodeGen/sse-builtins.c
+++ cfe/trunk/test/CodeGen/sse-builtins.c
@@ -649,3 +649,21 @@
// CHECK: call <2 x i64> @llvm.x86.sse41.pmovzxdq(<4 x i32> {{.*}})
return _mm_cvtepu32_epi64(a);
}
+
+__m128 test_mm_undefined_ps() {
+ // CHECK-LABEL: @test_mm_undefined_ps
+ // CHECK: ret <4 x float> undef
+ return _mm_undefined_ps();
+}
+
+__m128d test_mm_undefined_pd() {
+ // CHECK-LABEL: @test_mm_undefined_pd
+ // CHECK: ret <2 x double> undef
+ return _mm_undefined_pd();
+}
+
+__m128i test_mm_undefined_si128() {
+ // CHECK-LABEL: @test_mm_undefined_si128
+ // CHECK: ret <2 x i64> undef
+ return _mm_undefined_si128();
+}
Index: cfe/trunk/test/CodeGen/avx512f-builtins.c
===================================================================
--- cfe/trunk/test/CodeGen/avx512f-builtins.c
+++ cfe/trunk/test/CodeGen/avx512f-builtins.c
@@ -1875,3 +1875,27 @@
// CHECK: @llvm.x86.avx512.mask.min.sd.round
return _mm_maskz_min_sd(__U,__A,__B);
}
+
+__m512 test_mm512_undefined() {
+ // CHECK-LABEL: @test_mm512_undefined
+ // CHECK: ret <16 x float> undef
+ return _mm512_undefined();
+}
+
+__m512 test_mm512_undefined_ps() {
+ // CHECK-LABEL: @test_mm512_undefined_ps
+ // CHECK: ret <16 x float> undef
+ return _mm512_undefined_ps();
+}
+
+__m512d test_mm512_undefined_pd() {
+ // CHECK-LABEL: @test_mm512_undefined_pd
+ // CHECK: ret <8 x double> undef
+ return _mm512_undefined_pd();
+}
+
+__m512i test_mm512_undefined_epi32() {
+ // CHECK-LABEL: @test_mm512_undefined_epi32
+ // CHECK: ret <8 x i64> undef
+ return _mm512_undefined_epi32();
+}
Index: cfe/trunk/lib/CodeGen/CGBuiltin.cpp
===================================================================
--- cfe/trunk/lib/CodeGen/CGBuiltin.cpp
+++ cfe/trunk/lib/CodeGen/CGBuiltin.cpp
@@ -6047,6 +6047,10 @@
Value *F = CGM.getIntrinsic(Intrinsic::prefetch);
return Builder.CreateCall(F, {Address, RW, Locality, Data});
}
+ case X86::BI__builtin_ia32_undef128:
+ case X86::BI__builtin_ia32_undef256:
+ case X86::BI__builtin_ia32_undef512:
+ return UndefValue::get(ConvertType(E->getType()));
case X86::BI__builtin_ia32_vec_init_v8qi:
case X86::BI__builtin_ia32_vec_init_v4hi:
case X86::BI__builtin_ia32_vec_init_v2si:
Index: cfe/trunk/lib/Headers/avx512fintrin.h
===================================================================
--- cfe/trunk/lib/Headers/avx512fintrin.h
+++ cfe/trunk/lib/Headers/avx512fintrin.h
@@ -57,6 +57,30 @@
return (__m512i)(__v8di){ 0, 0, 0, 0, 0, 0, 0, 0 };
}
+static __inline__ __m512d __DEFAULT_FN_ATTRS
+_mm512_undefined_pd()
+{
+ return (__m512d)__builtin_ia32_undef512();
+}
+
+static __inline__ __m512 __DEFAULT_FN_ATTRS
+_mm512_undefined()
+{
+ return (__m512)__builtin_ia32_undef512();
+}
+
+static __inline__ __m512 __DEFAULT_FN_ATTRS
+_mm512_undefined_ps()
+{
+ return (__m512)__builtin_ia32_undef512();
+}
+
+static __inline__ __m512i __DEFAULT_FN_ATTRS
+_mm512_undefined_epi32()
+{
+ return (__m512i)__builtin_ia32_undef512();
+}
+
static __inline __m512i __DEFAULT_FN_ATTRS
_mm512_maskz_set1_epi32(__mmask16 __M, int __A)
{
Index: cfe/trunk/lib/Headers/emmintrin.h
===================================================================
--- cfe/trunk/lib/Headers/emmintrin.h
+++ cfe/trunk/lib/Headers/emmintrin.h
@@ -523,6 +523,12 @@
}
static __inline__ __m128d __DEFAULT_FN_ATTRS
+_mm_undefined_pd()
+{
+ return (__m128d)__builtin_ia32_undef128();
+}
+
+static __inline__ __m128d __DEFAULT_FN_ATTRS
_mm_set_sd(double __w)
{
return (__m128d){ __w, 0 };
@@ -1116,6 +1122,12 @@
}
static __inline__ __m128i __DEFAULT_FN_ATTRS
+_mm_undefined_si128()
+{
+ return (__m128i)__builtin_ia32_undef128();
+}
+
+static __inline__ __m128i __DEFAULT_FN_ATTRS
_mm_set_epi64x(long long q1, long long q0)
{
return (__m128i){ q0, q1 };
Index: cfe/trunk/lib/Headers/xmmintrin.h
===================================================================
--- cfe/trunk/lib/Headers/xmmintrin.h
+++ cfe/trunk/lib/Headers/xmmintrin.h
@@ -577,6 +577,12 @@
}
static __inline__ __m128 __DEFAULT_FN_ATTRS
+_mm_undefined_ps()
+{
+ return (__m128)__builtin_ia32_undef128();
+}
+
+static __inline__ __m128 __DEFAULT_FN_ATTRS
_mm_set_ss(float __w)
{
return (__m128){ __w, 0, 0, 0 };
Index: cfe/trunk/lib/Headers/avxintrin.h
===================================================================
--- cfe/trunk/lib/Headers/avxintrin.h
+++ cfe/trunk/lib/Headers/avxintrin.h
@@ -900,6 +900,24 @@
}
/* Create vectors */
+static __inline__ __m256d __DEFAULT_FN_ATTRS
+_mm256_undefined_pd()
+{
+ return (__m256d)__builtin_ia32_undef256();
+}
+
+static __inline__ __m256 __DEFAULT_FN_ATTRS
+_mm256_undefined_ps()
+{
+ return (__m256)__builtin_ia32_undef256();
+}
+
+static __inline__ __m256i __DEFAULT_FN_ATTRS
+_mm256_undefined_si256()
+{
+ return (__m256i)__builtin_ia32_undef256();
+}
+
static __inline __m256d __DEFAULT_FN_ATTRS
_mm256_set_pd(double __a, double __b, double __c, double __d)
{
Index: cfe/trunk/include/clang/Basic/BuiltinsX86.def
===================================================================
--- cfe/trunk/include/clang/Basic/BuiltinsX86.def
+++ cfe/trunk/include/clang/Basic/BuiltinsX86.def
@@ -30,6 +30,12 @@
// can use it?
BUILTIN(__builtin_cpu_supports, "bcC*", "nc")
+// Undefined Values
+//
+TARGET_BUILTIN(__builtin_ia32_undef128, "V2d", "nc", "")
+TARGET_BUILTIN(__builtin_ia32_undef256, "V4d", "nc", "")
+TARGET_BUILTIN(__builtin_ia32_undef512, "V8d", "nc", "")
+
// 3DNow!
//
TARGET_BUILTIN(__builtin_ia32_femms, "v", "", "3dnow")
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