[X86][SSE3] Added fast-isel intrinsics tests

As discussed on PR24580, this patch adds fast-isel codegen tests to match the IR generated in clang/test/CodeGen/sse3-builtins.c

llvm-svn: 255051

diff --git a/llvm/test/CodeGen/X86/sse3-intrinsics-fast-isel.ll b/llvm/test/CodeGen/X86/sse3-intrinsics-fast-isel.ll
new file mode 100644 (file)
index 0000000..217be9a
--- /dev/null
+++ b/llvm/test/CodeGen/X86/sse3-intrinsics-fast-isel.ll
@@ -0,0 +1,171 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -fast-isel -mtriple=i386-unknown-unknown -mattr=+sse3 | FileCheck %s --check-prefix=ALL  --check-prefix=X32
+; RUN: llc < %s -fast-isel -mtriple=x86_64-unknown-unknown -mattr=+sse3 | FileCheck %s --check-prefix=ALL  --check-prefix=X64
+
+; NOTE: This should use IR equivalent to what is generated by clang/test/CodeGen/sse3-builtins.c
+
+define <2 x double> @test_mm_addsub_pd(<2 x double> %a0, <2 x double> %a1) {
+; X32-LABEL: test_mm_addsub_pd:
+; X32:       # BB#0:
+; X32-NEXT:    addsubpd %xmm1, %xmm0
+; X32-NEXT:    retl
+;
+; X64-LABEL: test_mm_addsub_pd:
+; X64:       # BB#0:
+; X64-NEXT:    addsubpd %xmm1, %xmm0
+; X64-NEXT:    retq
+  %res = call <2 x double> @llvm.x86.sse3.addsub.pd(<2 x double> %a0, <2 x double> %a1)
+  ret <2 x double> %res
+}
+declare <2 x double> @llvm.x86.sse3.addsub.pd(<2 x double>, <2 x double>) nounwind readnone
+
+define <4 x float> @test_mm_addsub_ps(<4 x float> %a0, <4 x float> %a1) {
+; X32-LABEL: test_mm_addsub_ps:
+; X32:       # BB#0:
+; X32-NEXT:    addsubps %xmm1, %xmm0
+; X32-NEXT:    retl
+;
+; X64-LABEL: test_mm_addsub_ps:
+; X64:       # BB#0:
+; X64-NEXT:    addsubps %xmm1, %xmm0
+; X64-NEXT:    retq
+  %res = call <4 x float> @llvm.x86.sse3.addsub.ps(<4 x float> %a0, <4 x float> %a1)
+  ret <4 x float> %res
+}
+declare <4 x float> @llvm.x86.sse3.addsub.ps(<4 x float>, <4 x float>) nounwind readnone
+
+define <2 x double> @test_mm_hadd_pd(<2 x double> %a0, <2 x double> %a1) {
+; X32-LABEL: test_mm_hadd_pd:
+; X32:       # BB#0:
+; X32-NEXT:    haddpd %xmm1, %xmm0
+; X32-NEXT:    retl
+;
+; X64-LABEL: test_mm_hadd_pd:
+; X64:       # BB#0:
+; X64-NEXT:    haddpd %xmm1, %xmm0
+; X64-NEXT:    retq
+  %res = call <2 x double> @llvm.x86.sse3.hadd.pd(<2 x double> %a0, <2 x double> %a1)
+  ret <2 x double> %res
+}
+declare <2 x double> @llvm.x86.sse3.hadd.pd(<2 x double>, <2 x double>) nounwind readnone
+
+define <4 x float> @test_mm_hadd_ps(<4 x float> %a0, <4 x float> %a1) {
+; X32-LABEL: test_mm_hadd_ps:
+; X32:       # BB#0:
+; X32-NEXT:    haddps %xmm1, %xmm0
+; X32-NEXT:    retl
+;
+; X64-LABEL: test_mm_hadd_ps:
+; X64:       # BB#0:
+; X64-NEXT:    haddps %xmm1, %xmm0
+; X64-NEXT:    retq
+  %res = call <4 x float> @llvm.x86.sse3.hadd.ps(<4 x float> %a0, <4 x float> %a1)
+  ret <4 x float> %res
+}
+declare <4 x float> @llvm.x86.sse3.hadd.ps(<4 x float>, <4 x float>) nounwind readnone
+
+define <2 x double> @test_mm_hsub_pd(<2 x double> %a0, <2 x double> %a1) {
+; X32-LABEL: test_mm_hsub_pd:
+; X32:       # BB#0:
+; X32-NEXT:    hsubpd %xmm1, %xmm0
+; X32-NEXT:    retl
+;
+; X64-LABEL: test_mm_hsub_pd:
+; X64:       # BB#0:
+; X64-NEXT:    hsubpd %xmm1, %xmm0
+; X64-NEXT:    retq
+  %res = call <2 x double> @llvm.x86.sse3.hsub.pd(<2 x double> %a0, <2 x double> %a1)
+  ret <2 x double> %res
+}
+declare <2 x double> @llvm.x86.sse3.hsub.pd(<2 x double>, <2 x double>) nounwind readnone
+
+define <4 x float> @test_mm_hsub_ps(<4 x float> %a0, <4 x float> %a1) {
+; X32-LABEL: test_mm_hsub_ps:
+; X32:       # BB#0:
+; X32-NEXT:    hsubps %xmm1, %xmm0
+; X32-NEXT:    retl
+;
+; X64-LABEL: test_mm_hsub_ps:
+; X64:       # BB#0:
+; X64-NEXT:    hsubps %xmm1, %xmm0
+; X64-NEXT:    retq
+  %res = call <4 x float> @llvm.x86.sse3.hsub.ps(<4 x float> %a0, <4 x float> %a1)
+  ret <4 x float> %res
+}
+declare <4 x float> @llvm.x86.sse3.hsub.ps(<4 x float>, <4 x float>) nounwind readnone
+
+define <2 x i64> @test_mm_lddqu_si128(i8* %a0) {
+; X32-LABEL: test_mm_lddqu_si128:
+; X32:       # BB#0:
+; X32-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X32-NEXT:    lddqu (%eax), %xmm0
+; X32-NEXT:    retl
+;
+; X64-LABEL: test_mm_lddqu_si128:
+; X64:       # BB#0:
+; X64-NEXT:    lddqu (%rdi), %xmm0
+; X64-NEXT:    retq
+  %call = call <16 x i8> @llvm.x86.sse3.ldu.dq(i8* %a0)
+  %res = bitcast <16 x i8> %call to <2 x i64>
+  ret <2 x i64> %res
+}
+declare <16 x i8> @llvm.x86.sse3.ldu.dq(i8*) nounwind readonly
+
+define <2 x double> @test_mm_loaddup_pd(double* %a0) {
+; X32-LABEL: test_mm_loaddup_pd:
+; X32:       # BB#0:
+; X32-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X32-NEXT:    movddup (%eax), %xmm0
+; X32-NEXT:    retl
+;
+; X64-LABEL: test_mm_loaddup_pd:
+; X64:       # BB#0:
+; X64-NEXT:    movddup (%rdi), %xmm0
+; X64-NEXT:    retq
+  %ld = load double, double* %a0
+  %res0 = insertelement <2 x double> undef, double %ld, i32 0
+  %res1 = insertelement <2 x double> %res0, double %ld, i32 1
+  ret <2 x double> %res1
+}
+
+define <2 x double> @test_mm_movedup_pd(<2 x double> %a0) {
+; X32-LABEL: test_mm_movedup_pd:
+; X32:       # BB#0:
+; X32-NEXT:    movddup {{.*#+}} xmm0 = xmm0[0,0]
+; X32-NEXT:    retl
+;
+; X64-LABEL: test_mm_movedup_pd:
+; X64:       # BB#0:
+; X64-NEXT:    movddup {{.*#+}} xmm0 = xmm0[0,0]
+; X64-NEXT:    retq
+  %res = shufflevector <2 x double> %a0, <2 x double> %a0, <2 x i32> zeroinitializer
+  ret <2 x double> %res
+}
+
+define <4 x float> @test_mm_movehdup_ps(<4 x float> %a0) {
+; X32-LABEL: test_mm_movehdup_ps:
+; X32:       # BB#0:
+; X32-NEXT:    movshdup {{.*#+}} xmm0 = xmm0[1,1,3,3]
+; X32-NEXT:    retl
+;
+; X64-LABEL: test_mm_movehdup_ps:
+; X64:       # BB#0:
+; X64-NEXT:    movshdup {{.*#+}} xmm0 = xmm0[1,1,3,3]
+; X64-NEXT:    retq
+  %res = shufflevector <4 x float> %a0, <4 x float> %a0, <4 x i32> <i32 1, i32 1, i32 3, i32 3>
+  ret <4 x float> %res
+}
+
+define <4 x float> @test_mm_moveldup_ps(<4 x float> %a0) {
+; X32-LABEL: test_mm_moveldup_ps:
+; X32:       # BB#0:
+; X32-NEXT:    movsldup {{.*#+}} xmm0 = xmm0[0,0,2,2]
+; X32-NEXT:    retl
+;
+; X64-LABEL: test_mm_moveldup_ps:
+; X64:       # BB#0:
+; X64-NEXT:    movsldup {{.*#+}} xmm0 = xmm0[0,0,2,2]
+; X64-NEXT:    retq
+  %res = shufflevector <4 x float> %a0, <4 x float> %a0, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
+  ret <4 x float> %res
+}