[X86][SSE2] Added fast-isel tests to sync with clang/test/CodeGen/sse…

…2-builtins.c

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@269966 91177308-0d34-0410-b5e6-96231b3b80d8

test/CodeGen/X86/sse2-intrinsics-fast-isel-x86_64.ll

@@ -0,0 +1,65 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -fast-isel -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X64
+
+; NOTE: This should use IR equivalent to what is generated by clang/test/CodeGen/sse2-builtins.c
+
+define i64 @test_mm_cvtsd_si64(<2 x double> %a0) nounwind {
+; X64-LABEL: test_mm_cvtsd_si64:
+; X64:       # BB#0:
+; X64-NEXT:    cvtsd2si %xmm0, %rax
+; X64-NEXT:    retq
+  %res = call i64 @llvm.x86.sse2.cvtsd2si64(<2 x double> %a0)
+  ret i64 %res
+}
+declare i64 @llvm.x86.sse2.cvtsd2si64(<2 x double>) nounwind readnone
+
+define i64 @test_mm_cvtsi128_si64(<2 x i64> %a0) nounwind {
+; X64-LABEL: test_mm_cvtsi128_si64:
+; X64:       # BB#0:
+; X64-NEXT:    movd %xmm0, %rax
+; X64-NEXT:    retq
+  %res = extractelement <2 x i64> %a0, i32 0
+  ret i64 %res
+}
+
+define <2 x double> @test_mm_cvtsi64_sd(<2 x double> %a0, i64 %a1) nounwind {
+; X64-LABEL: test_mm_cvtsi64_sd:
+; X64:       # BB#0:
+; X64-NEXT:    cvtsi2sdq %rdi, %xmm1
+; X64-NEXT:    movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
+; X64-NEXT:    retq
+  %cvt = sitofp i64 %a1 to double
+  %res = insertelement <2 x double> %a0, double %cvt, i32 0
+  ret <2 x double> %res
+}
+
+define <2 x i64> @test_mm_cvtsi64_si128(i64 %a0) nounwind {
+; X64-LABEL: test_mm_cvtsi64_si128:
+; X64:       # BB#0:
+; X64-NEXT:    movd %rdi, %xmm0
+; X64-NEXT:    retq
+  %res0 = insertelement <2 x i64> undef, i64 %a0, i32 0
+  %res1 = insertelement <2 x i64> %res0, i64 0, i32 1
+  ret <2 x i64> %res1
+}
+
+define i64 @test_mm_cvttsd_si64(<2 x double> %a0) nounwind {
+; X64-LABEL: test_mm_cvttsd_si64:
+; X64:       # BB#0:
+; X64-NEXT:    cvttsd2si %xmm0, %rax
+; X64-NEXT:    retq
+  %ext = extractelement <2 x double> %a0, i32 0
+  %res = fptosi double %ext to i64
+  ret i64 %res
+}
+
+define void @test_mm_stream_si64(i64 *%a0, i64 %a1) {
+; X64-LABEL: test_mm_stream_si64:
+; X64:       # BB#0:
+; X64-NEXT:    movntiq %rsi, (%rdi)
+; X64-NEXT:    retq
+  store i64 %a1, i64* %a0, align 1, !nontemporal !0
+  ret void
+}
+
+!0 = !{i64 1}