[x86] generate IR for SSE integer min/max builtins

Sibling patch to r272806:
http://reviews.llvm.org/rL272806

llvm-svn: 272807

2 files changed, 24 insertions, 12 deletions

diff --git a/clang/test/CodeGen/sse2-builtins.c b/clang/test/CodeGen/sse2-builtins.c
index f08feb0e3af..af4c4009c30 100644
--- a/clang/test/CodeGen/sse2-builtins.c
+++ b/clang/test/CodeGen/sse2-builtins.c
@@ -679,13 +679,15 @@ void test_mm_maskmoveu_si128(__m128i A, __m128i B, char* C) {
 
 __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);
 }
 
diff --git a/clang/test/CodeGen/sse41-builtins.c b/clang/test/CodeGen/sse41-builtins.c
index 0335659502b..6f984f8a782 100644
--- a/clang/test/CodeGen/sse41-builtins.c
+++ b/clang/test/CodeGen/sse41-builtins.c
@@ -245,49 +245,57 @@ __m128 test_mm_insert_ps(__m128 x, __m128 y) {
 
 __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);
 }