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[PPC] add vector byte reverse functions to altivec.h 

This patch corresponds to review https://reviews.llvm.org/D25915.
Committing on behalf of Sean Fertile.

llvm-svn: 285268
This commit is contained in:
Nemanja Ivanovic 2016-10-27 06:23:57 +00:00
parent 32b5fed639
commit 09dd423a7d
4 changed files with 243 additions and 2 deletions
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115
clang/lib/Headers/altivec.h
View File

@ -15125,6 +15125,121 @@ static inline __ATTRS_o_ai vector double vec_reve(vector double __a) {
}
#endif
/* vec_revb */
static __inline__ vector bool char __ATTRS_o_ai
vec_revb(vector bool char __a) {
return __a;
}
static __inline__ vector signed char __ATTRS_o_ai
vec_revb(vector signed char __a) {
return __a;
}
static __inline__ vector unsigned char __ATTRS_o_ai
vec_revb(vector unsigned char __a) {
return __a;
}
static __inline__ vector bool short __ATTRS_o_ai
vec_revb(vector bool short __a) {
vector unsigned char __indices =
{ 1, 0, 3, 2, 5, 4, 7, 6, 9, 8, 11, 10, 13, 12, 15, 14 };
return vec_perm(__a, __a, __indices);
}
static __inline__ vector signed short __ATTRS_o_ai
vec_revb(vector signed short __a) {
vector unsigned char __indices =
{ 1, 0, 3, 2, 5, 4, 7, 6, 9, 8, 11, 10, 13, 12, 15, 14 };
return vec_perm(__a, __a, __indices);
}
static __inline__ vector unsigned short __ATTRS_o_ai
vec_revb(vector unsigned short __a) {
vector unsigned char __indices =
{ 1, 0, 3, 2, 5, 4, 7, 6, 9, 8, 11, 10, 13, 12, 15, 14 };
return vec_perm(__a, __a, __indices);
}
static __inline__ vector bool int __ATTRS_o_ai
vec_revb(vector bool int __a) {
vector unsigned char __indices =
{ 3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14, 13, 12 };
return vec_perm(__a, __a, __indices);
}
static __inline__ vector signed int __ATTRS_o_ai
vec_revb(vector signed int __a) {
vector unsigned char __indices =
{ 3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14, 13, 12 };
return vec_perm(__a, __a, __indices);
}
static __inline__ vector unsigned int __ATTRS_o_ai
vec_revb(vector unsigned int __a) {
vector unsigned char __indices =
{ 3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14, 13, 12 };
return vec_perm(__a, __a, __indices);
}
static __inline__ vector float __ATTRS_o_ai
vec_revb(vector float __a) {
vector unsigned char __indices =
{ 3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14, 13, 12 };
return vec_perm(__a, __a, __indices);
}
#ifdef __VSX__
static __inline__ vector bool long long __ATTRS_o_ai
vec_revb(vector bool long long __a) {
vector unsigned char __indices =
{ 7, 6, 5, 4, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10, 9, 8 };
return vec_perm(__a, __a, __indices);
}
static __inline__ vector signed long long __ATTRS_o_ai
vec_revb(vector signed long long __a) {
vector unsigned char __indices =
{ 7, 6, 5, 4, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10, 9, 8 };
return vec_perm(__a, __a, __indices);
}
static __inline__ vector unsigned long long __ATTRS_o_ai
vec_revb(vector unsigned long long __a) {
vector unsigned char __indices =
{ 7, 6, 5, 4, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10, 9, 8 };
return vec_perm(__a, __a, __indices);
}
static __inline__ vector double __ATTRS_o_ai
vec_revb(vector double __a) {
vector unsigned char __indices =
{ 7, 6, 5, 4, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10, 9, 8 };
return vec_perm(__a, __a, __indices);
}
#endif /* End __VSX__ */
#if defined(__POWER8_VECTOR__) && defined(__powerpc64__)
static __inline__ vector signed __int128 __ATTRS_o_ai
vec_revb(vector signed __int128 __a) {
vector unsigned char __indices =
{ 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 };
return (vector signed __int128)vec_perm((vector signed int)__a,
(vector signed int)__a,
__indices);
}
static __inline__ vector unsigned __int128 __ATTRS_o_ai
vec_revb(vector unsigned __int128 __a) {
vector unsigned char __indices =
{ 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 };
return (vector unsigned __int128)vec_perm((vector signed int)__a,
(vector signed int)__a,
__indices);
}
#endif /* END __POWER8_VECTOR__ && __powerpc64__ */
#undef __ATTRS_o_ai
#endif /* __ALTIVEC_H */

90
clang/test/CodeGen/builtins-ppc-altivec.c
View File

@ -8997,9 +8997,10 @@ void test7() {
// CHECK-LE: @llvm.ppc.altivec.vcmpgefp.p(i32 2
}
/* ------------------------------ optional ---------------------------------- */
void test8() {
// CHECK-LABEL: define void @test8
// CHECK-LE-LABEL: define void @test8
// CHECK-LABEL: define void @test8
// CHECK-LE-LABEL: define void @test8
res_vbc = vec_reve(vbc);
// CHECK: shufflevector <16 x i8> %{{[0-9]+}}, <16 x i8> %{{[0-9]+}}, <16 x i32> <i32 15, i32 14, i32 13, i32 12, i32 11, i32 10, i32 9, i32 8, i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0>
// CHECK-LE: shufflevector <16 x i8> %{{[0-9]+}}, <16 x i8> %{{[0-9]+}}, <16 x i32> <i32 15, i32 14, i32 13, i32 12, i32 11, i32 10, i32 9, i32 8, i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0>
@ -9040,4 +9041,89 @@ void test8() {
// CHECK: shufflevector <4 x float> %{{[0-9]+}}, <4 x float> %{{[0-9]+}}, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
// CHECK-LE: shufflevector <4 x float> %{{[0-9]+}}, <4 x float> %{{[0-9]+}}, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
res_vbc = vec_revb(vbc);
// CHECK: [[T1:%.+]] = load <16 x i8>, <16 x i8>* @vbc, align 16
// CHECK: store <16 x i8> [[T1]], <16 x i8>* [[T2:%.+]], align 16
// CHECK: [[T3:%.+]] = load <16 x i8>, <16 x i8>* [[T2]], align 16
// CHECK: store <16 x i8> [[T3]], <16 x i8>* @res_vbc, align 16
// CHECK-LE: [[T1:%.+]] = load <16 x i8>, <16 x i8>* @vbc, align 16
// CHECK-LE: store <16 x i8> [[T1]], <16 x i8>* [[T2:%.+]], align 16
// CHECK-LE: [[T3:%.+]] = load <16 x i8>, <16 x i8>* [[T2]], align 16
// CHECK-LE: store <16 x i8> [[T3]], <16 x i8>* @res_vbc, align 16
res_vsc = vec_revb(vsc);
// CHECK: [[T1:%.+]] = load <16 x i8>, <16 x i8>* @vsc, align 16
// CHECK: store <16 x i8> [[T1]], <16 x i8>* [[T2:%.+]], align 16
// CHECK: [[T3:%.+]] = load <16 x i8>, <16 x i8>* [[T2]], align 16
// CHECK: store <16 x i8> [[T3]], <16 x i8>* @res_vsc, align 16
// CHECK-LE: [[T1:%.+]] = load <16 x i8>, <16 x i8>* @vsc, align 16
// CHECK-LE: store <16 x i8> [[T1]], <16 x i8>* [[T2:%.+]], align 16
// CHECK-LE: [[T3:%.+]] = load <16 x i8>, <16 x i8>* [[T2]], align 16
// CHECK-LE: store <16 x i8> [[T3]], <16 x i8>* @res_vsc, align 16
res_vuc = vec_revb(vuc);
// CHECK: [[T1:%.+]] = load <16 x i8>, <16 x i8>* @vuc, align 16
// CHECK: store <16 x i8> [[T1]], <16 x i8>* [[T2:%.+]], align 16
// CHECK: [[T3:%.+]] = load <16 x i8>, <16 x i8>* [[T2]], align 16
// CHECK: store <16 x i8> [[T3]], <16 x i8>* @res_vuc, align 16
// CHECK-LE: [[T1:%.+]] = load <16 x i8>, <16 x i8>* @vuc, align 16
// CHECK-LE: store <16 x i8> [[T1]], <16 x i8>* [[T2:%.+]], align 16
// CHECK-LE: [[T3:%.+]] = load <16 x i8>, <16 x i8>* [[T2]], align 16
// CHECK-LE: store <16 x i8> [[T3]], <16 x i8>* @res_vuc, align 16
res_vbs = vec_revb(vbs);
// CHECK: store <16 x i8> <i8 1, i8 0, i8 3, i8 2, i8 5, i8 4, i8 7, i8 6, i8 9, i8 8, i8 11, i8 10, i8 13, i8 12, i8 15, i8 14>, <16 x i8>* {{%.+}}, align 16
// CHECK: call <4 x i32> @llvm.ppc.altivec.vperm(<4 x i32> {{%.+}}, <4 x i32> {{%.+}}, <16 x i8> {{%.+}})
// CHECK-LE: store <16 x i8> <i8 1, i8 0, i8 3, i8 2, i8 5, i8 4, i8 7, i8 6, i8 9, i8 8, i8 11, i8 10, i8 13, i8 12, i8 15, i8 14>, <16 x i8>* {{%.+}}, align 16
// CHECK-LE: store <16 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>, <16 x i8>* {{%.+}}, align 16
// CHECK-LE: xor <16 x i8>
// CHECK-LE: call <4 x i32> @llvm.ppc.altivec.vperm(<4 x i32> {{%.+}}, <4 x i32> {{%.+}}, <16 x i8> {{%.+}})
res_vs = vec_revb(vs);
// CHECK: store <16 x i8> <i8 1, i8 0, i8 3, i8 2, i8 5, i8 4, i8 7, i8 6, i8 9, i8 8, i8 11, i8 10, i8 13, i8 12, i8 15, i8 14>, <16 x i8>* {{%.+}}, align 16
// CHECK: call <4 x i32> @llvm.ppc.altivec.vperm(<4 x i32> {{%.+}}, <4 x i32> {{%.+}}, <16 x i8> {{%.+}})
// CHECK-LE: store <16 x i8> <i8 1, i8 0, i8 3, i8 2, i8 5, i8 4, i8 7, i8 6, i8 9, i8 8, i8 11, i8 10, i8 13, i8 12, i8 15, i8 14>, <16 x i8>* {{%.+}}, align 16
// CHECK-LE: store <16 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>, <16 x i8>* {{%.+}}, align 16
// CHECK-LE: xor <16 x i8>
// CHECK-LE: call <4 x i32> @llvm.ppc.altivec.vperm(<4 x i32> {{%.+}}, <4 x i32> {{%.+}}, <16 x i8> {{%.+}})
res_vus = vec_revb(vus);
// CHECK: store <16 x i8> <i8 1, i8 0, i8 3, i8 2, i8 5, i8 4, i8 7, i8 6, i8 9, i8 8, i8 11, i8 10, i8 13, i8 12, i8 15, i8 14>, <16 x i8>* {{%.+}}, align 16
// CHECK: call <4 x i32> @llvm.ppc.altivec.vperm(<4 x i32> {{%.+}}, <4 x i32> {{%.+}}, <16 x i8> {{%.+}})
// CHECK-LE: store <16 x i8> <i8 1, i8 0, i8 3, i8 2, i8 5, i8 4, i8 7, i8 6, i8 9, i8 8, i8 11, i8 10, i8 13, i8 12, i8 15, i8 14>, <16 x i8>* {{%.+}}, align 16
// CHECK-LE: store <16 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>, <16 x i8>* {{%.+}}, align 16
// CHECK-LE: xor <16 x i8>
// CHECK-LE: call <4 x i32> @llvm.ppc.altivec.vperm(<4 x i32> {{%.+}}, <4 x i32> {{%.+}}, <16 x i8> {{%.+}})
res_vbi = vec_revb(vbi);
// CHECK: store <16 x i8> <i8 3, i8 2, i8 1, i8 0, i8 7, i8 6, i8 5, i8 4, i8 11, i8 10, i8 9, i8 8, i8 15, i8 14, i8 13, i8 12>, <16 x i8>* {{%.+}}, align 16
// CHECK: call <4 x i32> @llvm.ppc.altivec.vperm(<4 x i32> {{%.+}}, <4 x i32> {{%.+}}, <16 x i8> {{%.+}})
// CHECK-LE: store <16 x i8> <i8 3, i8 2, i8 1, i8 0, i8 7, i8 6, i8 5, i8 4, i8 11, i8 10, i8 9, i8 8, i8 15, i8 14, i8 13, i8 12>, <16 x i8>* {{%.+}}, align 16
// CHECK-LE: store <16 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>, <16 x i8>* {{%.+}}, align 16
// CHECK-LE: xor <16 x i8>
// CHECK-LE: call <4 x i32> @llvm.ppc.altivec.vperm(<4 x i32> {{%.+}}, <4 x i32> {{%.+}}, <16 x i8> {{%.+}})
res_vi = vec_revb(vi);
// CHECK: store <16 x i8> <i8 3, i8 2, i8 1, i8 0, i8 7, i8 6, i8 5, i8 4, i8 11, i8 10, i8 9, i8 8, i8 15, i8 14, i8 13, i8 12>, <16 x i8>* {{%.+}}, align 16
// CHECK: call <4 x i32> @llvm.ppc.altivec.vperm(<4 x i32> {{%.+}}, <4 x i32> {{%.+}}, <16 x i8> {{%.+}})
// CHECK-LE: store <16 x i8> <i8 3, i8 2, i8 1, i8 0, i8 7, i8 6, i8 5, i8 4, i8 11, i8 10, i8 9, i8 8, i8 15, i8 14, i8 13, i8 12>, <16 x i8>* {{%.+}}, align 16
// CHECK-LE: store <16 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>, <16 x i8>* {{%.+}}, align 16
// CHECK-LE: xor <16 x i8>
// CHECK-LE: call <4 x i32> @llvm.ppc.altivec.vperm(<4 x i32> {{%.+}}, <4 x i32> {{%.+}}, <16 x i8> {{%.+}})
res_vui = vec_revb(vui);
// CHECK: store <16 x i8> <i8 3, i8 2, i8 1, i8 0, i8 7, i8 6, i8 5, i8 4, i8 11, i8 10, i8 9, i8 8, i8 15, i8 14, i8 13, i8 12>, <16 x i8>* {{%.+}}, align 16
// CHECK: call <4 x i32> @llvm.ppc.altivec.vperm(<4 x i32> {{%.+}}, <4 x i32> {{%.+}}, <16 x i8> {{%.+}})
// CHECK-LE: store <16 x i8> <i8 3, i8 2, i8 1, i8 0, i8 7, i8 6, i8 5, i8 4, i8 11, i8 10, i8 9, i8 8, i8 15, i8 14, i8 13, i8 12>, <16 x i8>* {{%.+}}, align 16
// CHECK-LE: store <16 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>, <16 x i8>* {{%.+}}, align 16
// CHECK-LE: xor <16 x i8>
// CHECK-LE: call <4 x i32> @llvm.ppc.altivec.vperm(<4 x i32> {{%.+}}, <4 x i32> {{%.+}}, <16 x i8> {{%.+}})
res_vf = vec_revb(vf);
// CHECK: store <16 x i8> <i8 3, i8 2, i8 1, i8 0, i8 7, i8 6, i8 5, i8 4, i8 11, i8 10, i8 9, i8 8, i8 15, i8 14, i8 13, i8 12>, <16 x i8>* {{%.+}}, align 16
// CHECK: call <4 x i32> @llvm.ppc.altivec.vperm(<4 x i32> {{%.+}}, <4 x i32> {{%.+}}, <16 x i8> {{%.+}})
// CHECK-LE: store <16 x i8> <i8 3, i8 2, i8 1, i8 0, i8 7, i8 6, i8 5, i8 4, i8 11, i8 10, i8 9, i8 8, i8 15, i8 14, i8 13, i8 12>, <16 x i8>* {{%.+}}, align 16
// CHECK-LE: store <16 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>, <16 x i8>* {{%.+}}, align 16
// CHECK-LE: xor <16 x i8>
// CHECK-LE: call <4 x i32> @llvm.ppc.altivec.vperm(<4 x i32> {{%.+}}, <4 x i32> {{%.+}}, <16 x i8> {{%.+}})
}

8
clang/test/CodeGen/builtins-ppc-quadword.c
View File

@ -157,4 +157,12 @@ void test1() {
// CHECK-LE: @llvm.ppc.altivec.vsubecuq
// CHECK-PPC: error: assigning to '__vector unsigned __int128' (vector of 1 'unsigned __int128' value) from incompatible type 'int'
res_vulll = vec_revb(vulll);
// CHECK: store <16 x i8> <i8 15, i8 14, i8 13, i8 12, i8 11, i8 10, i8 9, i8 8, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>, <16 x i8>* {{%.+}}, align 16
// CHECK: call <4 x i32> @llvm.ppc.altivec.vperm(<4 x i32> {{%.+}}, <4 x i32> {{%.+}}, <16 x i8> {{%.+}})
// CHECK-LE: store <16 x i8> <i8 15, i8 14, i8 13, i8 12, i8 11, i8 10, i8 9, i8 8, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>, <16 x i8>* {{%.+}}, align 16
// CHECK-LE: store <16 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>, <16 x i8>* {{%.+}}, align 16
// CHECK-LE: xor <16 x i8>
// CHECK-LE: call <4 x i32> @llvm.ppc.altivec.vperm(<4 x i32> {{%.+}}, <4 x i32> {{%.+}}, <16 x i8> {{%.+}})
// CHECK_PPC: error: call to 'vec_revb' is ambiguous
}

32
clang/test/CodeGen/builtins-ppc-vsx.c
View File

@ -1096,4 +1096,36 @@ void test1() {
res_vd = vec_reve(vd);
// CHECK: shufflevector <2 x double> %{{[0-9]+}}, <2 x double> %{{[0-9]+}}, <2 x i32> <i32 1, i32 0>
// CHECK-LE: shufflevector <2 x double> %{{[0-9]+}}, <2 x double> %{{[0-9]+}}, <2 x i32> <i32 1, i32 0>
res_vbll = vec_revb(vbll);
// CHECK: store <16 x i8> <i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 15, i8 14, i8 13, i8 12, i8 11, i8 10, i8 9, i8 8>, <16 x i8>* {{%.+}}, align 16
// CHECK: call <4 x i32> @llvm.ppc.altivec.vperm(<4 x i32> {{%.+}}, <4 x i32> {{%.+}}, <16 x i8> {{%.+}})
// CHECK-LE: store <16 x i8> <i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 15, i8 14, i8 13, i8 12, i8 11, i8 10, i8 9, i8 8>, <16 x i8>* {{%.+}}, align 16
// CHECK-LE: store <16 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>, <16 x i8>* {{%.+}}, align 16
// CHECK-LE: xor <16 x i8>
// CHECK-LE: call <4 x i32> @llvm.ppc.altivec.vperm(<4 x i32> {{%.+}}, <4 x i32> {{%.+}}, <16 x i8> {{%.+}})
res_vsll = vec_revb(vsll);
// CHECK: store <16 x i8> <i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 15, i8 14, i8 13, i8 12, i8 11, i8 10, i8 9, i8 8>, <16 x i8>* {{%.+}}, align 16
// CHECK: call <4 x i32> @llvm.ppc.altivec.vperm(<4 x i32> {{%.+}}, <4 x i32> {{%.+}}, <16 x i8> {{%.+}})
// CHECK-LE: store <16 x i8> <i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 15, i8 14, i8 13, i8 12, i8 11, i8 10, i8 9, i8 8>, <16 x i8>* {{%.+}}, align 16
// CHECK-LE: store <16 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>, <16 x i8>* {{%.+}}, align 16
// CHECK-LE: xor <16 x i8>
// CHECK-LE: call <4 x i32> @llvm.ppc.altivec.vperm(<4 x i32> {{%.+}}, <4 x i32> {{%.+}}, <16 x i8> {{%.+}})
res_vull = vec_revb(vull);
// CHECK: store <16 x i8> <i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 15, i8 14, i8 13, i8 12, i8 11, i8 10, i8 9, i8 8>, <16 x i8>* {{%.+}}, align 16
// CHECK: call <4 x i32> @llvm.ppc.altivec.vperm(<4 x i32> {{%.+}}, <4 x i32> {{%.+}}, <16 x i8> {{%.+}})
// CHECK-LE: store <16 x i8> <i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 15, i8 14, i8 13, i8 12, i8 11, i8 10, i8 9, i8 8>, <16 x i8>* {{%.+}}, align 16
// CHECK-LE: store <16 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>, <16 x i8>* {{%.+}}, align 16
// CHECK-LE: xor <16 x i8>
// CHECK-LE: call <4 x i32> @llvm.ppc.altivec.vperm(<4 x i32> {{%.+}}, <4 x i32> {{%.+}}, <16 x i8> {{%.+}})
res_vd = vec_revb(vd);
// CHECK: store <16 x i8> <i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 15, i8 14, i8 13, i8 12, i8 11, i8 10, i8 9, i8 8>, <16 x i8>* {{%.+}}, align 16
// CHECK: call <4 x i32> @llvm.ppc.altivec.vperm(<4 x i32> {{%.+}}, <4 x i32> {{%.+}}, <16 x i8> {{%.+}})
// CHECK-LE: store <16 x i8> <i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 15, i8 14, i8 13, i8 12, i8 11, i8 10, i8 9, i8 8>, <16 x i8>* {{%.+}}, align 16
// CHECK-LE: store <16 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>, <16 x i8>* {{%.+}}, align 16
// CHECK-LE: xor <16 x i8>
// CHECK-LE: call <4 x i32> @llvm.ppc.altivec.vperm(<4 x i32> {{%.+}}, <4 x i32> {{%.+}}, <16 x i8> {{%.+}})
}