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[x86] add tests for fmin/fmax; NFC

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

llvm-svn: 359306
This commit is contained in:
Sanjay Patel 2019-04-26 13:36:37 +00:00
parent 5cd565fa5c
commit f46b5ae7e4
1 changed files with 49 additions and 0 deletions
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49
test/CodeGen/X86/extract-fp.ll
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@ -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>)