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add test cases for missed vselect optimizations (PR28895) 

llvm-svn: 278165
This commit is contained in:
Sanjay Patel 2016-08-09 21:07:17 +00:00
parent 5e3c5e8065
commit d34b128fbc
1 changed files with 97 additions and 0 deletions
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97
llvm/test/CodeGen/X86/select-with-and-or.ll
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@ -84,3 +84,100 @@ define <4 x i32> @test7(<4 x float> %a, <4 x float> %b, <4 x i32>* %p) {
ret <4 x i32> %r ret <4 x i32> %r
} }
; FIXME: None of these should use vblendvpd.
; Repeat all with FP types.
define <2 x double> @test1f(<2 x double> %a, <2 x double> %b, <2 x double> %c) {
; CHECK-LABEL: test1f:
; CHECK: # BB#0:
; CHECK-NEXT: vcmpnlepd %xmm0, %xmm1, %xmm0
; CHECK-NEXT: vxorpd %xmm1, %xmm1, %xmm1
; CHECK-NEXT: vblendvpd %xmm0, %xmm2, %xmm1, %xmm0
; CHECK-NEXT: retq
;
%f = fcmp ult <2 x double> %a, %b
%r = select <2 x i1> %f, <2 x double> %c, <2 x double> zeroinitializer
ret <2 x double> %r
}
define <2 x double> @test2f(<2 x double> %a, <2 x double> %b, <2 x double> %c) {
; CHECK-LABEL: test2f:
; CHECK: # BB#0:
; CHECK-NEXT: vcmpnlepd %xmm0, %xmm1, %xmm0
; CHECK-NEXT: vpcmpeqd %xmm1, %xmm1, %xmm1
; CHECK-NEXT: vblendvpd %xmm0, %xmm1, %xmm2, %xmm0
; CHECK-NEXT: retq
;
%f = fcmp ult <2 x double> %a, %b
%r = select <2 x i1> %f, <2 x double> <double 0xffffffffffffffff, double 0xffffffffffffffff>, <2 x double> %c
ret <2 x double> %r
}
define <2 x double> @test3f(<2 x double> %a, <2 x double> %b, <2 x double> %c) {
; CHECK-LABEL: test3f:
; CHECK: # BB#0:
; CHECK-NEXT: vcmpnlepd %xmm0, %xmm1, %xmm0
; CHECK-NEXT: vxorpd %xmm1, %xmm1, %xmm1
; CHECK-NEXT: vblendvpd %xmm0, %xmm1, %xmm2, %xmm0
; CHECK-NEXT: retq
;
%f = fcmp ult <2 x double> %a, %b
%r = select <2 x i1> %f, <2 x double> zeroinitializer, <2 x double> %c
ret <2 x double> %r
}
define <2 x double> @test4f(<2 x double> %a, <2 x double> %b, <2 x double> %c) {
; CHECK-LABEL: test4f:
; CHECK: # BB#0:
; CHECK-NEXT: vcmpnlepd %xmm0, %xmm1, %xmm0
; CHECK-NEXT: vpcmpeqd %xmm1, %xmm1, %xmm1
; CHECK-NEXT: vblendvpd %xmm0, %xmm2, %xmm1, %xmm0
; CHECK-NEXT: retq
;
%f = fcmp ult <2 x double> %a, %b
%r = select <2 x i1> %f, <2 x double> %c, <2 x double> <double 0xffffffffffffffff, double 0xffffffffffffffff>
ret <2 x double> %r
}
define <2 x double> @test5f(<2 x double> %a, <2 x double> %b, <2 x double> %c) {
; CHECK-LABEL: test5f:
; CHECK: # BB#0:
; CHECK-NEXT: vcmpnlepd %xmm0, %xmm1, %xmm0
; CHECK-NEXT: vpcmpeqd %xmm1, %xmm1, %xmm1
; CHECK-NEXT: vxorpd %xmm2, %xmm2, %xmm2
; CHECK-NEXT: vblendvpd %xmm0, %xmm1, %xmm2, %xmm0
; CHECK-NEXT: retq
;
%f = fcmp ult <2 x double> %a, %b
%r = select <2 x i1> %f, <2 x double> <double 0xffffffffffffffff, double 0xffffffffffffffff>, <2 x double> zeroinitializer
ret <2 x double> %r
}
define <2 x double> @test6f(<2 x double> %a, <2 x double> %b, <2 x double> %c) {
; CHECK-LABEL: test6f:
; CHECK: # BB#0:
; CHECK-NEXT: vcmpnlepd %xmm0, %xmm1, %xmm0
; CHECK-NEXT: vxorpd %xmm1, %xmm1, %xmm1
; CHECK-NEXT: vpcmpeqd %xmm2, %xmm2, %xmm2
; CHECK-NEXT: vblendvpd %xmm0, %xmm1, %xmm2, %xmm0
; CHECK-NEXT: retq
;
%f = fcmp ult <2 x double> %a, %b
%r = select <2 x i1> %f, <2 x double> zeroinitializer, <2 x double> <double 0xffffffffffffffff, double 0xffffffffffffffff>
ret <2 x double> %r
}
define <2 x double> @test7f(<2 x double> %a, <2 x double> %b, <2 x double>* %p) {
; CHECK-LABEL: test7f:
; CHECK: # BB#0:
; CHECK-NEXT: vcmpnlepd %xmm0, %xmm1, %xmm0
; CHECK-NEXT: vxorpd %xmm1, %xmm1, %xmm1
; CHECK-NEXT: vblendvpd %xmm0, (%rdi), %xmm1, %xmm0
; CHECK-NEXT: retq
;
%f = fcmp ult <2 x double> %a, %b
%l = load <2 x double>, <2 x double>* %p, align 16
%r = select <2 x i1> %f, <2 x double> %l, <2 x double> zeroinitializer
ret <2 x double> %r
}