Author: spatel
Date: Wed Jun 15 12:18:50 2016
New Revision: 272807
URL: http://llvm.org/viewvc/llvm-project?rev=272807&view=rev
Log:
[x86] generate IR for SSE integer min/max builtins
Sibling patch to r272806:
http://reviews.llvm.org/rL272806
Modified:
cfe/trunk/lib/CodeGen/CGBuiltin.cpp
cfe/trunk/test/CodeGen/sse2-builtins.c
cfe/trunk/test/CodeGen/sse41-builtins.c
Modified: cfe/trunk/lib/CodeGen/CGBuiltin.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGBuiltin.cpp?rev=272807&r1=272806&r2=272807&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGBuiltin.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGBuiltin.cpp Wed Jun 15 12:18:50 2016
@@ -6788,6 +6788,33 @@ Value *CodeGenFunction::EmitX86BuiltinEx
case X86::BI__builtin_ia32_pcmpgtq256_mask:
case X86::BI__builtin_ia32_pcmpgtq512_mask:
return EmitX86MaskedCompare(*this, ICmpInst::ICMP_SGT, Ops);
+
+ // TODO: Handle 64/256/512-bit vector widths of min/max.
+ case X86::BI__builtin_ia32_pmaxsb128:
+ case X86::BI__builtin_ia32_pmaxsw128:
+ case X86::BI__builtin_ia32_pmaxsd128: {
+ Value *Cmp = Builder.CreateICmp(ICmpInst::ICMP_SGT, Ops[0], Ops[1]);
+ return Builder.CreateSelect(Cmp, Ops[0], Ops[1]);
+ }
+ case X86::BI__builtin_ia32_pmaxub128:
+ case X86::BI__builtin_ia32_pmaxuw128:
+ case X86::BI__builtin_ia32_pmaxud128: {
+ Value *Cmp = Builder.CreateICmp(ICmpInst::ICMP_UGT, Ops[0], Ops[1]);
+ return Builder.CreateSelect(Cmp, Ops[0], Ops[1]);
+ }
+ case X86::BI__builtin_ia32_pminsb128:
+ case X86::BI__builtin_ia32_pminsw128:
+ case X86::BI__builtin_ia32_pminsd128: {
+ Value *Cmp = Builder.CreateICmp(ICmpInst::ICMP_SLT, Ops[0], Ops[1]);
+ return Builder.CreateSelect(Cmp, Ops[0], Ops[1]);
+ }
+ case X86::BI__builtin_ia32_pminub128:
+ case X86::BI__builtin_ia32_pminuw128:
+ case X86::BI__builtin_ia32_pminud128: {
+ Value *Cmp = Builder.CreateICmp(ICmpInst::ICMP_ULT, Ops[0], Ops[1]);
+ return Builder.CreateSelect(Cmp, Ops[0], Ops[1]);
+ }
+
// 3DNow!
case X86::BI__builtin_ia32_pswapdsf:
case X86::BI__builtin_ia32_pswapdsi: {
Modified: cfe/trunk/test/CodeGen/sse2-builtins.c
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/sse2-builtins.c?rev=272807&r1=272806&r2=272807&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/sse2-builtins.c (original)
+++ cfe/trunk/test/CodeGen/sse2-builtins.c Wed Jun 15 12:18:50 2016
@@ -679,13 +679,15 @@ void test_mm_maskmoveu_si128(__m128i A,
__m128i test_mm_max_epi16(__m128i A, __m128i B) {
// CHECK-LABEL: test_mm_max_epi16
- // CHECK: call <8 x i16> @llvm.x86.sse2.pmaxs.w(<8 x i16> %{{.*}}, <8 x i16>
%{{.*}})
+ // CHECK: [[CMP:%.*]] = icmp sgt <8 x i16> [[X:%.*]], [[Y:%.*]]
+ // CHECK-NEXT: select <8 x i1> [[CMP]], <8 x i16> [[X]], <8 x i16> [[Y]]
return _mm_max_epi16(A, B);
}
__m128i test_mm_max_epu8(__m128i A, __m128i B) {
// CHECK-LABEL: test_mm_max_epu8
- // CHECK: call <16 x i8> @llvm.x86.sse2.pmaxu.b(<16 x i8> %{{.*}}, <16 x i8>
%{{.*}})
+ // CHECK: [[CMP:%.*]] = icmp ugt <16 x i8> [[X:%.*]], [[Y:%.*]]
+ // CHECK-NEXT: select <16 x i1> [[CMP]], <16 x i8> [[X]], <16 x i8> [[Y]]
return _mm_max_epu8(A, B);
}
@@ -709,13 +711,15 @@ void test_mm_mfence() {
__m128i test_mm_min_epi16(__m128i A, __m128i B) {
// CHECK-LABEL: test_mm_min_epi16
- // CHECK: call <8 x i16> @llvm.x86.sse2.pmins.w(<8 x i16> %{{.*}}, <8 x i16>
%{{.*}})
+ // CHECK: [[CMP:%.*]] = icmp slt <8 x i16> [[X:%.*]], [[Y:%.*]]
+ // CHECK-NEXT: select <8 x i1> [[CMP]], <8 x i16> [[X]], <8 x i16> [[Y]]
return _mm_min_epi16(A, B);
}
__m128i test_mm_min_epu8(__m128i A, __m128i B) {
// CHECK-LABEL: test_mm_min_epu8
- // CHECK: call <16 x i8> @llvm.x86.sse2.pminu.b(<16 x i8> %{{.*}}, <16 x i8>
%{{.*}})
+ // CHECK: [[CMP:%.*]] = icmp ult <16 x i8> [[X:%.*]], [[Y:%.*]]
+ // CHECK-NEXT: select <16 x i1> [[CMP]], <16 x i8> [[X]], <16 x i8> [[Y]]
return _mm_min_epu8(A, B);
}
Modified: cfe/trunk/test/CodeGen/sse41-builtins.c
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/sse41-builtins.c?rev=272807&r1=272806&r2=272807&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/sse41-builtins.c (original)
+++ cfe/trunk/test/CodeGen/sse41-builtins.c Wed Jun 15 12:18:50 2016
@@ -245,49 +245,57 @@ __m128 test_mm_insert_ps(__m128 x, __m12
__m128i test_mm_max_epi8(__m128i x, __m128i y) {
// CHECK-LABEL: test_mm_max_epi8
- // CHECK: call <16 x i8> @llvm.x86.sse41.pmaxsb(<16 x i8> %{{.*}}, <16 x i8>
%{{.*}})
+ // CHECK: [[CMP:%.*]] = icmp sgt <16 x i8> [[X:%.*]], [[Y:%.*]]
+ // CHECK-NEXT: select <16 x i1> [[CMP]], <16 x i8> [[X]], <16 x i8> [[Y]]
return _mm_max_epi8(x, y);
}
__m128i test_mm_max_epi32(__m128i x, __m128i y) {
// CHECK-LABEL: test_mm_max_epi32
- // CHECK: call <4 x i32> @llvm.x86.sse41.pmaxsd(<4 x i32> %{{.*}}, <4 x i32>
%{{.*}})
+ // CHECK: [[CMP:%.*]] = icmp sgt <4 x i32> [[X:%.*]], [[Y:%.*]]
+ // CHECK-NEXT: select <4 x i1> [[CMP]], <4 x i32> [[X]], <4 x i32> [[Y]]
return _mm_max_epi32(x, y);
}
__m128i test_mm_max_epu16(__m128i x, __m128i y) {
// CHECK-LABEL: test_mm_max_epu16
- // CHECK: call <8 x i16> @llvm.x86.sse41.pmaxuw(<8 x i16> %{{.*}}, <8 x i16>
%{{.*}})
+ // CHECK: [[CMP:%.*]] = icmp ugt <8 x i16> [[X:%.*]], [[Y:%.*]]
+ // CHECK-NEXT: select <8 x i1> [[CMP]], <8 x i16> [[X]], <8 x i16> [[Y]]
return _mm_max_epu16(x, y);
}
__m128i test_mm_max_epu32(__m128i x, __m128i y) {
// CHECK-LABEL: test_mm_max_epu32
- // CHECK: call <4 x i32> @llvm.x86.sse41.pmaxud(<4 x i32> %{{.*}}, <4 x i32>
%{{.*}})
+ // CHECK: [[CMP:%.*]] = icmp ugt <4 x i32> [[X:%.*]], [[Y:%.*]]
+ // CHECK-NEXT: select <4 x i1> [[CMP]], <4 x i32> [[X]], <4 x i32> [[Y]]
return _mm_max_epu32(x, y);
}
__m128i test_mm_min_epi8(__m128i x, __m128i y) {
// CHECK-LABEL: test_mm_min_epi8
- // CHECK: call <16 x i8> @llvm.x86.sse41.pminsb(<16 x i8> %{{.*}}, <16 x i8>
%{{.*}})
+ // CHECK: [[CMP:%.*]] = icmp slt <16 x i8> [[X:%.*]], [[Y:%.*]]
+ // CHECK-NEXT: select <16 x i1> [[CMP]], <16 x i8> [[X]], <16 x i8> [[Y]]
return _mm_min_epi8(x, y);
}
__m128i test_mm_min_epi32(__m128i x, __m128i y) {
// CHECK-LABEL: test_mm_min_epi32
- // CHECK: call <4 x i32> @llvm.x86.sse41.pminsd(<4 x i32> %{{.*}}, <4 x i32>
%{{.*}})
+ // CHECK: [[CMP:%.*]] = icmp slt <4 x i32> [[X:%.*]], [[Y:%.*]]
+ // CHECK-NEXT: select <4 x i1> [[CMP]], <4 x i32> [[X]], <4 x i32> [[Y]]
return _mm_min_epi32(x, y);
}
__m128i test_mm_min_epu16(__m128i x, __m128i y) {
// CHECK-LABEL: test_mm_min_epu16
- // CHECK: call <8 x i16> @llvm.x86.sse41.pminuw(<8 x i16> %{{.*}}, <8 x i16>
%{{.*}})
+ // CHECK: [[CMP:%.*]] = icmp ult <8 x i16> [[X:%.*]], [[Y:%.*]]
+ // CHECK-NEXT: select <8 x i1> [[CMP]], <8 x i16> [[X]], <8 x i16> [[Y]]
return _mm_min_epu16(x, y);
}
__m128i test_mm_min_epu32(__m128i x, __m128i y) {
// CHECK-LABEL: test_mm_min_epu32
- // CHECK: call <4 x i32> @llvm.x86.sse41.pminud(<4 x i32> %{{.*}}, <4 x i32>
%{{.*}})
+ // CHECK: [[CMP:%.*]] = icmp ult <4 x i32> [[X:%.*]], [[Y:%.*]]
+ // CHECK-NEXT: select <4 x i1> [[CMP]], <4 x i32> [[X]], <4 x i32> [[Y]]
return _mm_min_epu32(x, y);
}
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