7b9cc1474f
This fixes selection of KANDN instructions and allows us to remove an extra set of patterns for KNOT and KXNOR. Reviewers: delena, igorb Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D26134 llvm-svn: 285878
182 lines
5.6 KiB
LLVM
182 lines
5.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=knl | FileCheck %s
|
|
|
|
define <16 x i32> @select00(i32 %a, <16 x i32> %b) nounwind {
|
|
; CHECK-LABEL: select00:
|
|
; CHECK: ## BB#0:
|
|
; CHECK-NEXT: vpxord %zmm1, %zmm1, %zmm1
|
|
; CHECK-NEXT: cmpl $255, %edi
|
|
; CHECK-NEXT: je LBB0_2
|
|
; CHECK-NEXT: ## BB#1:
|
|
; CHECK-NEXT: vmovdqa64 %zmm0, %zmm1
|
|
; CHECK-NEXT: LBB0_2:
|
|
; CHECK-NEXT: vpxorq %zmm1, %zmm0, %zmm0
|
|
; CHECK-NEXT: retq
|
|
%cmpres = icmp eq i32 %a, 255
|
|
%selres = select i1 %cmpres, <16 x i32> zeroinitializer, <16 x i32> %b
|
|
%res = xor <16 x i32> %b, %selres
|
|
ret <16 x i32> %res
|
|
}
|
|
|
|
define <8 x i64> @select01(i32 %a, <8 x i64> %b) nounwind {
|
|
; CHECK-LABEL: select01:
|
|
; CHECK: ## BB#0:
|
|
; CHECK-NEXT: vpxord %zmm1, %zmm1, %zmm1
|
|
; CHECK-NEXT: cmpl $255, %edi
|
|
; CHECK-NEXT: je LBB1_2
|
|
; CHECK-NEXT: ## BB#1:
|
|
; CHECK-NEXT: vmovdqa64 %zmm0, %zmm1
|
|
; CHECK-NEXT: LBB1_2:
|
|
; CHECK-NEXT: vpxorq %zmm1, %zmm0, %zmm0
|
|
; CHECK-NEXT: retq
|
|
%cmpres = icmp eq i32 %a, 255
|
|
%selres = select i1 %cmpres, <8 x i64> zeroinitializer, <8 x i64> %b
|
|
%res = xor <8 x i64> %b, %selres
|
|
ret <8 x i64> %res
|
|
}
|
|
|
|
define float @select02(float %a, float %b, float %c, float %eps) {
|
|
; CHECK-LABEL: select02:
|
|
; CHECK: ## BB#0:
|
|
; CHECK-NEXT: vcmpless %xmm0, %xmm3, %k1
|
|
; CHECK-NEXT: vmovss %xmm2, %xmm0, %xmm1 {%k1}
|
|
; CHECK-NEXT: vmovaps %xmm1, %xmm0
|
|
; CHECK-NEXT: retq
|
|
%cmp = fcmp oge float %a, %eps
|
|
%cond = select i1 %cmp, float %c, float %b
|
|
ret float %cond
|
|
}
|
|
|
|
define double @select03(double %a, double %b, double %c, double %eps) {
|
|
; CHECK-LABEL: select03:
|
|
; CHECK: ## BB#0:
|
|
; CHECK-NEXT: vcmplesd %xmm0, %xmm3, %k1
|
|
; CHECK-NEXT: vmovsd %xmm2, %xmm0, %xmm1 {%k1}
|
|
; CHECK-NEXT: vmovapd %xmm1, %xmm0
|
|
; CHECK-NEXT: retq
|
|
%cmp = fcmp oge double %a, %eps
|
|
%cond = select i1 %cmp, double %c, double %b
|
|
ret double %cond
|
|
}
|
|
|
|
define <16 x double> @select04(<16 x double> %a, <16 x double> %b) {
|
|
; CHECK-LABEL: select04:
|
|
; CHECK: ## BB#0:
|
|
; CHECK-NEXT: vmovaps %zmm3, %zmm1
|
|
; CHECK-NEXT: retq
|
|
%sel = select <16 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 false, i1 false, i1 false, i1 false, i1 false, i1 false, i1 false, i1 false>, <16 x double> %a, <16 x double> %b
|
|
ret <16 x double> %sel
|
|
}
|
|
|
|
define i8 @select05(i8 %a.0, i8 %m) {
|
|
; CHECK-LABEL: select05:
|
|
; CHECK: ## BB#0:
|
|
; CHECK-NEXT: orl %esi, %edi
|
|
; CHECK-NEXT: movl %edi, %eax
|
|
; CHECK-NEXT: retq
|
|
%mask = bitcast i8 %m to <8 x i1>
|
|
%a = bitcast i8 %a.0 to <8 x i1>
|
|
%r = select <8 x i1> %mask, <8 x i1> <i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1>, <8 x i1> %a
|
|
%res = bitcast <8 x i1> %r to i8
|
|
ret i8 %res;
|
|
}
|
|
|
|
define i8 @select05_mem(<8 x i1>* %a.0, <8 x i1>* %m) {
|
|
; CHECK-LABEL: select05_mem:
|
|
; CHECK: ## BB#0:
|
|
; CHECK-NEXT: movzbl (%rsi), %eax
|
|
; CHECK-NEXT: kmovw %eax, %k0
|
|
; CHECK-NEXT: movzbl (%rdi), %eax
|
|
; CHECK-NEXT: kmovw %eax, %k1
|
|
; CHECK-NEXT: korw %k1, %k0, %k0
|
|
; CHECK-NEXT: kmovw %k0, %eax
|
|
; CHECK-NEXT: retq
|
|
%mask = load <8 x i1> , <8 x i1>* %m
|
|
%a = load <8 x i1> , <8 x i1>* %a.0
|
|
%r = select <8 x i1> %mask, <8 x i1> <i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1>, <8 x i1> %a
|
|
%res = bitcast <8 x i1> %r to i8
|
|
ret i8 %res;
|
|
}
|
|
|
|
define i8 @select06(i8 %a.0, i8 %m) {
|
|
; CHECK-LABEL: select06:
|
|
; CHECK: ## BB#0:
|
|
; CHECK-NEXT: andl %esi, %edi
|
|
; CHECK-NEXT: movl %edi, %eax
|
|
; CHECK-NEXT: retq
|
|
%mask = bitcast i8 %m to <8 x i1>
|
|
%a = bitcast i8 %a.0 to <8 x i1>
|
|
%r = select <8 x i1> %mask, <8 x i1> %a, <8 x i1> zeroinitializer
|
|
%res = bitcast <8 x i1> %r to i8
|
|
ret i8 %res;
|
|
}
|
|
|
|
define i8 @select06_mem(<8 x i1>* %a.0, <8 x i1>* %m) {
|
|
; CHECK-LABEL: select06_mem:
|
|
; CHECK: ## BB#0:
|
|
; CHECK-NEXT: movzbl (%rsi), %eax
|
|
; CHECK-NEXT: kmovw %eax, %k0
|
|
; CHECK-NEXT: movzbl (%rdi), %eax
|
|
; CHECK-NEXT: kmovw %eax, %k1
|
|
; CHECK-NEXT: kandw %k1, %k0, %k0
|
|
; CHECK-NEXT: kmovw %k0, %eax
|
|
; CHECK-NEXT: retq
|
|
%mask = load <8 x i1> , <8 x i1>* %m
|
|
%a = load <8 x i1> , <8 x i1>* %a.0
|
|
%r = select <8 x i1> %mask, <8 x i1> %a, <8 x i1> zeroinitializer
|
|
%res = bitcast <8 x i1> %r to i8
|
|
ret i8 %res;
|
|
}
|
|
define i8 @select07(i8 %a.0, i8 %b.0, i8 %m) {
|
|
; CHECK-LABEL: select07:
|
|
; CHECK: ## BB#0:
|
|
; CHECK-NEXT: kmovw %edx, %k0
|
|
; CHECK-NEXT: kmovw %edi, %k1
|
|
; CHECK-NEXT: kmovw %esi, %k2
|
|
; CHECK-NEXT: kandnw %k2, %k0, %k2
|
|
; CHECK-NEXT: kandw %k0, %k1, %k0
|
|
; CHECK-NEXT: korw %k2, %k0, %k0
|
|
; CHECK-NEXT: kmovw %k0, %eax
|
|
; CHECK-NEXT: retq
|
|
%mask = bitcast i8 %m to <8 x i1>
|
|
%a = bitcast i8 %a.0 to <8 x i1>
|
|
%b = bitcast i8 %b.0 to <8 x i1>
|
|
%r = select <8 x i1> %mask, <8 x i1> %a, <8 x i1> %b
|
|
%res = bitcast <8 x i1> %r to i8
|
|
ret i8 %res;
|
|
}
|
|
|
|
define i64 @pr30249() {
|
|
; CHECK-LABEL: pr30249:
|
|
; CHECK: ## BB#0:
|
|
; CHECK-NEXT: xorl %ecx, %ecx
|
|
; CHECK-NEXT: cmpb $1, %cl
|
|
; CHECK-NEXT: movl $1, %eax
|
|
; CHECK-NEXT: adcxq %rcx, %rax
|
|
; CHECK-NEXT: retq
|
|
%v = select i1 undef , i64 1, i64 2
|
|
ret i64 %v
|
|
}
|
|
|
|
define double @pr30561_f64(double %b, double %a, i1 %c) {
|
|
; CHECK-LABEL: pr30561_f64:
|
|
; CHECK: ## BB#0:
|
|
; CHECK-NEXT: andl $1, %edi
|
|
; CHECK-NEXT: kmovw %edi, %k1
|
|
; CHECK-NEXT: vmovsd %xmm1, %xmm0, %xmm0 {%k1}
|
|
; CHECK-NEXT: retq
|
|
%cond = select i1 %c, double %a, double %b
|
|
ret double %cond
|
|
}
|
|
|
|
define float @pr30561_f32(float %b, float %a, i1 %c) {
|
|
; CHECK-LABEL: pr30561_f32:
|
|
; CHECK: ## BB#0:
|
|
; CHECK-NEXT: andl $1, %edi
|
|
; CHECK-NEXT: kmovw %edi, %k1
|
|
; CHECK-NEXT: vmovss %xmm1, %xmm0, %xmm0 {%k1}
|
|
; CHECK-NEXT: retq
|
|
%cond = select i1 %c, float %a, float %b
|
|
ret float %cond
|
|
}
|