[x86] add tests for fmin/fmax; NFC

'maximum' and 'minimum' still crash, so they are commented out.

llvm-svn: 359306

1 files changed, 49 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/X86/extract-fp.ll b/llvm/test/CodeGen/X86/extract-fp.ll
index 5632450669a..6135e20d259 100644
--- a/llvm/test/CodeGen/X86/extract-fp.ll
+++ b/llvm/test/CodeGen/X86/extract-fp.ll
@@ -83,3 +83,52 @@ define float @ext_frem_v4f32_constant_op0(<4 x float> %x) {
   ret float %ext
 }
 
+define float @ext_maxnum_v4f32(<4 x float> %x) nounwind {
+; CHECK-LABEL: ext_maxnum_v4f32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    movaps {{.*#+}} xmm1 = [0.0E+0,1.0E+0,2.0E+0,3.0E+0]
+; CHECK-NEXT:    movaps %xmm1, %xmm2
+; CHECK-NEXT:    maxps %xmm0, %xmm2
+; CHECK-NEXT:    cmpunordps %xmm0, %xmm0
+; CHECK-NEXT:    andps %xmm0, %xmm1
+; CHECK-NEXT:    andnps %xmm2, %xmm0
+; CHECK-NEXT:    orps %xmm1, %xmm0
+; CHECK-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[2,3,2,3]
+; CHECK-NEXT:    retq
+  %v = call <4 x float> @llvm.maxnum.v4f32(<4 x float> %x, <4 x float> <float 0.0, float 1.0, float 2.0, float 3.0>)
+  %r = extractelement <4 x float> %v, i32 2
+  ret float %r
+}
+
+define double @ext_minnum_v2f64(<2 x double> %x) nounwind {
+; CHECK-LABEL: ext_minnum_v2f64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    xorpd %xmm1, %xmm1
+; CHECK-NEXT:    movhpd {{.*#+}} xmm1 = xmm1[0],mem[0]
+; CHECK-NEXT:    movapd %xmm1, %xmm2
+; CHECK-NEXT:    minpd %xmm0, %xmm1
+; CHECK-NEXT:    cmpunordpd %xmm0, %xmm0
+; CHECK-NEXT:    andpd %xmm0, %xmm2
+; CHECK-NEXT:    andnpd %xmm1, %xmm0
+; CHECK-NEXT:    orpd %xmm2, %xmm0
+; CHECK-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[2,3,2,3]
+; CHECK-NEXT:    retq
+  %v = call <2 x double> @llvm.minnum.v2f64(<2 x double> <double 0.0, double 1.0>, <2 x double> %x)
+  %r = extractelement <2 x double> %v, i32 1
+  ret double %r
+}
+
+;define double @ext_maximum_v4f64(<2 x double> %x) nounwind {
+;  %v = call <2 x double> @llvm.maximum.v2f64(<2 x double> %x, <2 x double> <double 42.0, double 43.0>)
+;  %r = extractelement <2 x double> %v, i32 1
+;  ret double %r
+;}
+
+;define float @ext_minimum_v4f32(<4 x float> %x) nounwind {
+;  %v = call <4 x float> @llvm.minimum.v4f32(<4 x float> %x, <4 x float> <float 0.0, float 1.0, float 2.0, float 42.0>)
+;  %r = extractelement <4 x float> %v, i32 1
+;  ret float %r
+;}
+
+declare <4 x float> @llvm.maxnum.v4f32(<4 x float>, <4 x float>)
+declare <2 x double> @llvm.minnum.v2f64(<2 x double>, <2 x double>)