[X86][F16C] Added F16C fast-isel tests to match clang/test/CodeGen/f16c-builtins.c

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270837 91177308-0d34-0410-b5e6-96231b3b80d8

Author: RKSimon

test/CodeGen/X86/f16c-intrinsics-fast-isel.ll

@@ -0,0 +1,130 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -fast-isel -mtriple=i386-unknown-unknown -mattr=+avx,+f16c | FileCheck %s --check-prefix=ALL --check-prefix=X32
+; RUN: llc < %s -fast-isel -mtriple=x86_64-unknown-unknown -mattr=+avx,+f16c | 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 float @test_cvtsh_ss(i16 %a0) nounwind {
+; X32-LABEL: test_cvtsh_ss:
+; X32:       # BB#0:
+; X32-NEXT:    pushl %eax
+; X32-NEXT:    movzwl {{[0-9]+}}(%esp), %eax
+; X32-NEXT:    vmovd %eax, %xmm0
+; X32-NEXT:    vcvtph2ps %xmm0, %xmm0
+; X32-NEXT:    vmovss %xmm0, (%esp)
+; X32-NEXT:    flds (%esp)
+; X32-NEXT:    popl %eax
+; X32-NEXT:    retl
+;
+; X64-LABEL: test_cvtsh_ss:
+; X64:       # BB#0:
+; X64-NEXT:    movzwl %di, %eax
+; X64-NEXT:    vmovd %eax, %xmm0
+; X64-NEXT:    vcvtph2ps %xmm0, %xmm0
+; X64-NEXT:    retq
+  %ins0 = insertelement <8 x i16> undef, i16 %a0, i32 0
+  %ins1 = insertelement <8 x i16> %ins0, i16 0, i32 1
+  %ins2 = insertelement <8 x i16> %ins1, i16 0, i32 2
+  %ins3 = insertelement <8 x i16> %ins2, i16 0, i32 3
+  %ins4 = insertelement <8 x i16> %ins3, i16 0, i32 4
+  %ins5 = insertelement <8 x i16> %ins4, i16 0, i32 5
+  %ins6 = insertelement <8 x i16> %ins5, i16 0, i32 6
+  %ins7 = insertelement <8 x i16> %ins6, i16 0, i32 7
+  %cvt = call <4 x float> @llvm.x86.vcvtph2ps.128(<8 x i16> %ins7)
+  %res = extractelement <4 x float> %cvt, i32 0
+  ret float %res
+}
+
+define i16 @test_cvtss_sh(float %a0) nounwind {
+; X32-LABEL: test_cvtss_sh:
+; X32:       # BB#0:
+; X32-NEXT:    vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
+; X32-NEXT:    vxorps %xmm1, %xmm1, %xmm1
+; X32-NEXT:    vmovss {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3]
+; X32-NEXT:    vcvtps2ph $0, %xmm0, %xmm0
+; X32-NEXT:    vmovd %xmm0, %eax
+; X32-NEXT:    retl
+;
+; X64-LABEL: test_cvtss_sh:
+; X64:       # BB#0:
+; X64-NEXT:    vxorps %xmm1, %xmm1, %xmm1
+; X64-NEXT:    vmovss {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3]
+; X64-NEXT:    vcvtps2ph $0, %xmm0, %xmm0
+; X64-NEXT:    vmovd %xmm0, %eax
+; X64-NEXT:    retq
+  %ins0 = insertelement <4 x float> undef, float %a0, i32 0
+  %ins1 = insertelement <4 x float> %ins0, float 0.000000e+00, i32 1
+  %ins2 = insertelement <4 x float> %ins1, float 0.000000e+00, i32 2
+  %ins3 = insertelement <4 x float> %ins2, float 0.000000e+00, i32 3
+  %cvt = call <8 x i16> @llvm.x86.vcvtps2ph.128(<4 x float> %ins3, i32 0)
+  %res = extractelement <8 x i16> %cvt, i32 0
+  ret i16 %res
+}
+
+define <4 x float> @test_mm_cvtph_ps(<2 x i64> %a0) nounwind {
+; X32-LABEL: test_mm_cvtph_ps:
+; X32:       # BB#0:
+; X32-NEXT:    vcvtph2ps %xmm0, %xmm0
+; X32-NEXT:    retl
+;
+; X64-LABEL: test_mm_cvtph_ps:
+; X64:       # BB#0:
+; X64-NEXT:    vcvtph2ps %xmm0, %xmm0
+; X64-NEXT:    retq
+  %arg0 = bitcast <2 x i64> %a0 to <8 x i16>
+  %res = call <4 x float> @llvm.x86.vcvtph2ps.128(<8 x i16> %arg0)
+  ret <4 x float> %res
+}
+
+define <8 x float> @test_mm256_cvtph_ps(<2 x i64> %a0) nounwind {
+; X32-LABEL: test_mm256_cvtph_ps:
+; X32:       # BB#0:
+; X32-NEXT:    vcvtph2ps %xmm0, %ymm0
+; X32-NEXT:    retl
+;
+; X64-LABEL: test_mm256_cvtph_ps:
+; X64:       # BB#0:
+; X64-NEXT:    vcvtph2ps %xmm0, %ymm0
+; X64-NEXT:    retq
+  %arg0 = bitcast <2 x i64> %a0 to <8 x i16>
+  %res = call <8 x float> @llvm.x86.vcvtph2ps.256(<8 x i16> %arg0)
+  ret <8 x float> %res
+}
+
+define <2 x i64> @test_mm_cvtps_ph(<4 x float> %a0) nounwind {
+; X32-LABEL: test_mm_cvtps_ph:
+; X32:       # BB#0:
+; X32-NEXT:    vcvtps2ph $0, %xmm0, %xmm0
+; X32-NEXT:    retl
+;
+; X64-LABEL: test_mm_cvtps_ph:
+; X64:       # BB#0:
+; X64-NEXT:    vcvtps2ph $0, %xmm0, %xmm0
+; X64-NEXT:    retq
+  %cvt = call <8 x i16> @llvm.x86.vcvtps2ph.128(<4 x float> %a0, i32 0)
+  %res = bitcast <8 x i16> %cvt to <2 x i64>
+  ret <2 x i64> %res
+}
+
+define <2 x i64> @test_mm256_cvtps_ph(<8 x float> %a0) nounwind {
+; X32-LABEL: test_mm256_cvtps_ph:
+; X32:       # BB#0:
+; X32-NEXT:    vcvtps2ph $0, %ymm0, %xmm0
+; X32-NEXT:    vzeroupper
+; X32-NEXT:    retl
+;
+; X64-LABEL: test_mm256_cvtps_ph:
+; X64:       # BB#0:
+; X64-NEXT:    vcvtps2ph $0, %ymm0, %xmm0
+; X64-NEXT:    vzeroupper
+; X64-NEXT:    retq
+  %cvt = call <8 x i16> @llvm.x86.vcvtps2ph.256(<8 x float> %a0, i32 0)
+  %res = bitcast <8 x i16> %cvt to <2 x i64>
+  ret <2 x i64> %res
+}
+
+declare <4 x float> @llvm.x86.vcvtph2ps.128(<8 x i16>) nounwind readonly
+declare <8 x float> @llvm.x86.vcvtph2ps.256(<8 x i16>) nounwind readonly
+
+declare <8 x i16> @llvm.x86.vcvtps2ph.128(<4 x float>, i32) nounwind readonly
+declare <8 x i16> @llvm.x86.vcvtps2ph.256(<8 x float>, i32) nounwind readonly