llvm-project/llvm/test/CodeGen/X86/setcc-combine.ll

210 lines
6.3 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=x86_64-unknown-unknown -mcpu=generic < %s | FileCheck %s
define i32 @test_eq_1(<4 x i32> %A, <4 x i32> %B) {
; CHECK-LABEL: test_eq_1:
; CHECK: # %bb.0:
; CHECK-NEXT: pcmpgtd %xmm0, %xmm1
; CHECK-NEXT: pcmpeqd %xmm0, %xmm0
; CHECK-NEXT: pxor %xmm1, %xmm0
; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm0[1,1,2,3]
; CHECK-NEXT: movd %xmm0, %eax
; CHECK-NEXT: retq
%cmp = icmp slt <4 x i32> %A, %B
%sext = sext <4 x i1> %cmp to <4 x i32>
%cmp1 = icmp eq <4 x i32> %sext, zeroinitializer
%t0 = extractelement <4 x i1> %cmp1, i32 1
%t1 = sext i1 %t0 to i32
ret i32 %t1
}
define i32 @test_ne_1(<4 x i32> %A, <4 x i32> %B) {
; CHECK-LABEL: test_ne_1:
; CHECK: # %bb.0:
; CHECK-NEXT: pcmpgtd %xmm0, %xmm1
; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm1[1,1,2,3]
; CHECK-NEXT: movd %xmm0, %eax
; CHECK-NEXT: retq
%cmp = icmp slt <4 x i32> %A, %B
%sext = sext <4 x i1> %cmp to <4 x i32>
%cmp1 = icmp ne <4 x i32> %sext, zeroinitializer
%t0 = extractelement <4 x i1> %cmp1, i32 1
%t1 = sext i1 %t0 to i32
ret i32 %t1
}
define i32 @test_le_1(<4 x i32> %A, <4 x i32> %B) {
; CHECK-LABEL: test_le_1:
; CHECK: # %bb.0:
; CHECK-NEXT: movl $-1, %eax
; CHECK-NEXT: retq
%cmp = icmp slt <4 x i32> %A, %B
%sext = sext <4 x i1> %cmp to <4 x i32>
%cmp1 = icmp sle <4 x i32> %sext, zeroinitializer
%t0 = extractelement <4 x i1> %cmp1, i32 1
%t1 = sext i1 %t0 to i32
ret i32 %t1
}
define i32 @test_ge_1(<4 x i32> %A, <4 x i32> %B) {
; CHECK-LABEL: test_ge_1:
; CHECK: # %bb.0:
; CHECK-NEXT: pcmpgtd %xmm0, %xmm1
; CHECK-NEXT: pcmpeqd %xmm0, %xmm0
; CHECK-NEXT: pxor %xmm1, %xmm0
; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm0[1,1,2,3]
; CHECK-NEXT: movd %xmm0, %eax
; CHECK-NEXT: retq
%cmp = icmp slt <4 x i32> %A, %B
%sext = sext <4 x i1> %cmp to <4 x i32>
%cmp1 = icmp sge <4 x i32> %sext, zeroinitializer
%t0 = extractelement <4 x i1> %cmp1, i32 1
%t1 = sext i1 %t0 to i32
ret i32 %t1
}
define i32 @test_lt_1(<4 x i32> %A, <4 x i32> %B) {
; CHECK-LABEL: test_lt_1:
; CHECK: # %bb.0:
; CHECK-NEXT: pcmpgtd %xmm0, %xmm1
; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm1[1,1,2,3]
; CHECK-NEXT: movd %xmm0, %eax
; CHECK-NEXT: retq
%cmp = icmp slt <4 x i32> %A, %B
%sext = sext <4 x i1> %cmp to <4 x i32>
%cmp1 = icmp slt <4 x i32> %sext, zeroinitializer
%t0 = extractelement <4 x i1> %cmp, i32 1
%t1 = sext i1 %t0 to i32
ret i32 %t1
}
define i32 @test_gt_1(<4 x i32> %A, <4 x i32> %B) {
; CHECK-LABEL: test_gt_1:
; CHECK: # %bb.0:
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: retq
%cmp = icmp slt <4 x i32> %A, %B
%sext = sext <4 x i1> %cmp to <4 x i32>
%cmp1 = icmp sgt <4 x i32> %sext, zeroinitializer
%t0 = extractelement <4 x i1> %cmp1, i32 1
%t1 = sext i1 %t0 to i32
ret i32 %t1
}
define i32 @test_eq_2(<4 x i32> %A, <4 x i32> %B) {
; CHECK-LABEL: test_eq_2:
; CHECK: # %bb.0:
; CHECK-NEXT: pcmpgtd %xmm1, %xmm0
; CHECK-NEXT: pcmpeqd %xmm1, %xmm1
; CHECK-NEXT: pxor %xmm0, %xmm1
; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm1[1,1,2,3]
; CHECK-NEXT: movd %xmm0, %eax
; CHECK-NEXT: retq
%cmp = icmp slt <4 x i32> %B, %A
%sext = sext <4 x i1> %cmp to <4 x i32>
%cmp1 = icmp eq <4 x i32> %sext, zeroinitializer
%t0 = extractelement <4 x i1> %cmp1, i32 1
%t1 = sext i1 %t0 to i32
ret i32 %t1
}
define i32 @test_ne_2(<4 x i32> %A, <4 x i32> %B) {
; CHECK-LABEL: test_ne_2:
; CHECK: # %bb.0:
; CHECK-NEXT: pcmpgtd %xmm1, %xmm0
; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm0[1,1,2,3]
; CHECK-NEXT: movd %xmm0, %eax
; CHECK-NEXT: retq
%cmp = icmp slt <4 x i32> %B, %A
%sext = sext <4 x i1> %cmp to <4 x i32>
%cmp1 = icmp ne <4 x i32> %sext, zeroinitializer
%t0 = extractelement <4 x i1> %cmp1, i32 1
%t1 = sext i1 %t0 to i32
ret i32 %t1
}
define i32 @test_le_2(<4 x i32> %A, <4 x i32> %B) {
; CHECK-LABEL: test_le_2:
; CHECK: # %bb.0:
; CHECK-NEXT: pcmpgtd %xmm1, %xmm0
; CHECK-NEXT: pcmpeqd %xmm1, %xmm1
; CHECK-NEXT: pxor %xmm0, %xmm1
; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm1[1,1,2,3]
; CHECK-NEXT: movd %xmm0, %eax
; CHECK-NEXT: retq
%cmp = icmp slt <4 x i32> %B, %A
%sext = sext <4 x i1> %cmp to <4 x i32>
%cmp1 = icmp sle <4 x i32> zeroinitializer, %sext
%t0 = extractelement <4 x i1> %cmp1, i32 1
%t1 = sext i1 %t0 to i32
ret i32 %t1
}
define i32 @test_ge_2(<4 x i32> %A, <4 x i32> %B) {
; CHECK-LABEL: test_ge_2:
; CHECK: # %bb.0:
; CHECK-NEXT: movl $-1, %eax
; CHECK-NEXT: retq
%cmp = icmp slt <4 x i32> %B, %A
%sext = sext <4 x i1> %cmp to <4 x i32>
%cmp1 = icmp sge <4 x i32> zeroinitializer, %sext
%t0 = extractelement <4 x i1> %cmp1, i32 1
%t1 = sext i1 %t0 to i32
ret i32 %t1
}
define i32 @test_lt_2(<4 x i32> %A, <4 x i32> %B) {
; CHECK-LABEL: test_lt_2:
; CHECK: # %bb.0:
; CHECK-NEXT: pcmpgtd %xmm1, %xmm0
; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm0[1,1,2,3]
; CHECK-NEXT: movd %xmm0, %eax
; CHECK-NEXT: retq
%cmp = icmp slt <4 x i32> %B, %A
%sext = sext <4 x i1> %cmp to <4 x i32>
%cmp1 = icmp slt <4 x i32> zeroinitializer, %sext
%t0 = extractelement <4 x i1> %cmp, i32 1
%t1 = sext i1 %t0 to i32
ret i32 %t1
}
define i32 @test_gt_2(<4 x i32> %A, <4 x i32> %B) {
; CHECK-LABEL: test_gt_2:
; CHECK: # %bb.0:
; CHECK-NEXT: pcmpgtd %xmm1, %xmm0
; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm0[1,1,2,3]
; CHECK-NEXT: movd %xmm0, %eax
; CHECK-NEXT: retq
%cmp = icmp slt <4 x i32> %B, %A
%sext = sext <4 x i1> %cmp to <4 x i32>
%cmp1 = icmp sgt <4 x i32> zeroinitializer, %sext
%t0 = extractelement <4 x i1> %cmp1, i32 1
%t1 = sext i1 %t0 to i32
ret i32 %t1
}
; (and (setne X, 0), (setne X, -1)) --> (setuge (add X, 1), 2)
; Don't combine with i1 - out of range constant
define void @test_i1_uge(i1 *%A2) {
; CHECK-LABEL: test_i1_uge:
; CHECK: # %bb.0:
; CHECK-NEXT: movb (%rdi), %al
; CHECK-NEXT: movl %eax, %ecx
; CHECK-NEXT: xorb $1, %cl
; CHECK-NEXT: andb %cl, %al
; CHECK-NEXT: movzbl %al, %eax
; CHECK-NEXT: andl $1, %eax
; CHECK-NEXT: negq %rax
; CHECK-NEXT: andb $1, %cl
; CHECK-NEXT: movb %cl, (%rdi,%rax)
; CHECK-NEXT: retq
%L5 = load i1, i1* %A2
%C3 = icmp ne i1 %L5, true
%C8 = icmp eq i1 %L5, false
%C9 = icmp ugt i1 %C3, %C8
%G3 = getelementptr i1, i1* %A2, i1 %C9
store i1 %C3, i1* %G3
ret void
}