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[x86] add tests for extract of FP select; NFC 

llvm-svn: 355768
This commit is contained in:
Sanjay Patel 2019-03-09 02:11:05 +00:00
parent 69f8c1653d
commit 40bcc3de7d
1 changed files with 26 additions and 0 deletions
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26
llvm/test/CodeGen/X86/extractelement-fp.ll
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@ -152,6 +152,32 @@ define i1 @fcmp_v4f64(<4 x double> %x, <4 x double> %y) nounwind {
ret i1 %r
}
define float @select_fcmp_v4f32(<4 x float> %x, <4 x float> %y, <4 x float> %z, <4 x float> %w) nounwind {
; CHECK-LABEL: select_fcmp_v4f32:
; CHECK: # %bb.0:
; CHECK-NEXT: vcmpneq_oqps %xmm1, %xmm0, %xmm0
; CHECK-NEXT: vblendvps %xmm0, %xmm2, %xmm3, %xmm0
; CHECK-NEXT: retq
%c = fcmp one <4 x float> %x, %y
%s = select <4 x i1> %c, <4 x float> %z, <4 x float> %w
%r = extractelement <4 x float> %s, i32 0
ret float %r
}
define double @select_fcmp_v4f64(<4 x double> %x, <4 x double> %y, <4 x double> %z, <4 x double> %w) nounwind {
; CHECK-LABEL: select_fcmp_v4f64:
; CHECK: # %bb.0:
; CHECK-NEXT: vcmpnltpd %ymm0, %ymm1, %ymm0
; CHECK-NEXT: vblendvpd %ymm0, %ymm2, %ymm3, %ymm0
; CHECK-NEXT: # kill: def $xmm0 killed $xmm0 killed $ymm0
; CHECK-NEXT: vzeroupper
; CHECK-NEXT: retq
%c = fcmp ule <4 x double> %x, %y
%s = select <4 x i1> %c, <4 x double> %z, <4 x double> %w
%r = extractelement <4 x double> %s, i32 0
ret double %r
}
define float @fsqrt_v4f32(<4 x float> %x) nounwind {
; CHECK-LABEL: fsqrt_v4f32:
; CHECK: # %bb.0: