; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s ; If positive... define i32 @zext_ifpos(i32 %x) { ; CHECK-LABEL: zext_ifpos: ; CHECK: # %bb.0: ; CHECK-NEXT: movl %edi, %eax ; CHECK-NEXT: notl %eax ; CHECK-NEXT: shrl $31, %eax ; CHECK-NEXT: retq %c = icmp sgt i32 %x, -1 %e = zext i1 %c to i32 ret i32 %e } define i32 @add_zext_ifpos(i32 %x) { ; CHECK-LABEL: add_zext_ifpos: ; CHECK: # %bb.0: ; CHECK-NEXT: # kill: def $edi killed $edi def $rdi ; CHECK-NEXT: sarl $31, %edi ; CHECK-NEXT: leal 42(%rdi), %eax ; CHECK-NEXT: retq %c = icmp sgt i32 %x, -1 %e = zext i1 %c to i32 %r = add i32 %e, 41 ret i32 %r } define <4 x i32> @add_zext_ifpos_vec_splat(<4 x i32> %x) { ; CHECK-LABEL: add_zext_ifpos_vec_splat: ; CHECK: # %bb.0: ; CHECK-NEXT: pcmpeqd %xmm1, %xmm1 ; CHECK-NEXT: pcmpgtd %xmm1, %xmm0 ; CHECK-NEXT: movdqa {{.*#+}} xmm1 = [42,42,42,42] ; CHECK-NEXT: psubd %xmm0, %xmm1 ; CHECK-NEXT: movdqa %xmm1, %xmm0 ; CHECK-NEXT: retq %c = icmp sgt <4 x i32> %x, %e = zext <4 x i1> %c to <4 x i32> %r = add <4 x i32> %e, ret <4 x i32> %r } define i32 @sel_ifpos_tval_bigger(i32 %x) { ; CHECK-LABEL: sel_ifpos_tval_bigger: ; CHECK: # %bb.0: ; CHECK-NEXT: # kill: def $edi killed $edi def $rdi ; CHECK-NEXT: sarl $31, %edi ; CHECK-NEXT: leal 42(%rdi), %eax ; CHECK-NEXT: retq %c = icmp sgt i32 %x, -1 %r = select i1 %c, i32 42, i32 41 ret i32 %r } define i32 @sext_ifpos(i32 %x) { ; CHECK-LABEL: sext_ifpos: ; CHECK: # %bb.0: ; CHECK-NEXT: movl %edi, %eax ; CHECK-NEXT: notl %eax ; CHECK-NEXT: sarl $31, %eax ; CHECK-NEXT: retq %c = icmp sgt i32 %x, -1 %e = sext i1 %c to i32 ret i32 %e } define i32 @add_sext_ifpos(i32 %x) { ; CHECK-LABEL: add_sext_ifpos: ; CHECK: # %bb.0: ; CHECK-NEXT: # kill: def $edi killed $edi def $rdi ; CHECK-NEXT: shrl $31, %edi ; CHECK-NEXT: leal 41(%rdi), %eax ; CHECK-NEXT: retq %c = icmp sgt i32 %x, -1 %e = sext i1 %c to i32 %r = add i32 %e, 42 ret i32 %r } define <4 x i32> @add_sext_ifpos_vec_splat(<4 x i32> %x) { ; CHECK-LABEL: add_sext_ifpos_vec_splat: ; CHECK: # %bb.0: ; CHECK-NEXT: pcmpeqd %xmm1, %xmm1 ; CHECK-NEXT: pcmpgtd %xmm1, %xmm0 ; CHECK-NEXT: paddd {{.*}}(%rip), %xmm0 ; CHECK-NEXT: retq %c = icmp sgt <4 x i32> %x, %e = sext <4 x i1> %c to <4 x i32> %r = add <4 x i32> %e, ret <4 x i32> %r } define i32 @sel_ifpos_fval_bigger(i32 %x) { ; CHECK-LABEL: sel_ifpos_fval_bigger: ; CHECK: # %bb.0: ; CHECK-NEXT: # kill: def $edi killed $edi def $rdi ; CHECK-NEXT: shrl $31, %edi ; CHECK-NEXT: leal 41(%rdi), %eax ; CHECK-NEXT: retq %c = icmp sgt i32 %x, -1 %r = select i1 %c, i32 41, i32 42 ret i32 %r } ; If negative... define i32 @zext_ifneg(i32 %x) { ; CHECK-LABEL: zext_ifneg: ; CHECK: # %bb.0: ; CHECK-NEXT: movl %edi, %eax ; CHECK-NEXT: shrl $31, %eax ; CHECK-NEXT: retq %c = icmp slt i32 %x, 0 %r = zext i1 %c to i32 ret i32 %r } define i32 @add_zext_ifneg(i32 %x) { ; CHECK-LABEL: add_zext_ifneg: ; CHECK: # %bb.0: ; CHECK-NEXT: # kill: def $edi killed $edi def $rdi ; CHECK-NEXT: shrl $31, %edi ; CHECK-NEXT: leal 41(%rdi), %eax ; CHECK-NEXT: retq %c = icmp slt i32 %x, 0 %e = zext i1 %c to i32 %r = add i32 %e, 41 ret i32 %r } define i32 @sel_ifneg_tval_bigger(i32 %x) { ; CHECK-LABEL: sel_ifneg_tval_bigger: ; CHECK: # %bb.0: ; CHECK-NEXT: # kill: def $edi killed $edi def $rdi ; CHECK-NEXT: shrl $31, %edi ; CHECK-NEXT: leal 41(%rdi), %eax ; CHECK-NEXT: retq %c = icmp slt i32 %x, 0 %r = select i1 %c, i32 42, i32 41 ret i32 %r } define i32 @sext_ifneg(i32 %x) { ; CHECK-LABEL: sext_ifneg: ; CHECK: # %bb.0: ; CHECK-NEXT: movl %edi, %eax ; CHECK-NEXT: sarl $31, %eax ; CHECK-NEXT: retq %c = icmp slt i32 %x, 0 %r = sext i1 %c to i32 ret i32 %r } define i32 @add_sext_ifneg(i32 %x) { ; CHECK-LABEL: add_sext_ifneg: ; CHECK: # %bb.0: ; CHECK-NEXT: # kill: def $edi killed $edi def $rdi ; CHECK-NEXT: sarl $31, %edi ; CHECK-NEXT: leal 42(%rdi), %eax ; CHECK-NEXT: retq %c = icmp slt i32 %x, 0 %e = sext i1 %c to i32 %r = add i32 %e, 42 ret i32 %r } define i32 @sel_ifneg_fval_bigger(i32 %x) { ; CHECK-LABEL: sel_ifneg_fval_bigger: ; CHECK: # %bb.0: ; CHECK-NEXT: # kill: def $edi killed $edi def $rdi ; CHECK-NEXT: sarl $31, %edi ; CHECK-NEXT: leal 42(%rdi), %eax ; CHECK-NEXT: retq %c = icmp slt i32 %x, 0 %r = select i1 %c, i32 41, i32 42 ret i32 %r } define i32 @add_lshr_not(i32 %x) { ; CHECK-LABEL: add_lshr_not: ; CHECK: # %bb.0: ; CHECK-NEXT: # kill: def $edi killed $edi def $rdi ; CHECK-NEXT: sarl $31, %edi ; CHECK-NEXT: leal 42(%rdi), %eax ; CHECK-NEXT: retq %not = xor i32 %x, -1 %sh = lshr i32 %not, 31 %r = add i32 %sh, 41 ret i32 %r } define <4 x i32> @add_lshr_not_vec_splat(<4 x i32> %x) { ; CHECK-LABEL: add_lshr_not_vec_splat: ; CHECK: # %bb.0: ; CHECK-NEXT: psrad $31, %xmm0 ; CHECK-NEXT: paddd {{.*}}(%rip), %xmm0 ; CHECK-NEXT: retq %c = xor <4 x i32> %x, %e = lshr <4 x i32> %c, %r = add <4 x i32> %e, ret <4 x i32> %r } define i32 @sub_lshr_not(i32 %x) { ; CHECK-LABEL: sub_lshr_not: ; CHECK: # %bb.0: ; CHECK-NEXT: # kill: def $edi killed $edi def $rdi ; CHECK-NEXT: shrl $31, %edi ; CHECK-NEXT: leal 42(%rdi), %eax ; CHECK-NEXT: retq %not = xor i32 %x, -1 %sh = lshr i32 %not, 31 %r = sub i32 43, %sh ret i32 %r } define <4 x i32> @sub_lshr_not_vec_splat(<4 x i32> %x) { ; CHECK-LABEL: sub_lshr_not_vec_splat: ; CHECK: # %bb.0: ; CHECK-NEXT: psrld $31, %xmm0 ; CHECK-NEXT: paddd {{.*}}(%rip), %xmm0 ; CHECK-NEXT: retq %c = xor <4 x i32> %x, %e = lshr <4 x i32> %c, %r = sub <4 x i32> , %e ret <4 x i32> %r } define i32 @sub_lshr(i32 %x, i32 %y) { ; CHECK-LABEL: sub_lshr: ; CHECK: # %bb.0: ; CHECK-NEXT: # kill: def $esi killed $esi def $rsi ; CHECK-NEXT: # kill: def $edi killed $edi def $rdi ; CHECK-NEXT: sarl $31, %edi ; CHECK-NEXT: leal (%rdi,%rsi), %eax ; CHECK-NEXT: retq %sh = lshr i32 %x, 31 %r = sub i32 %y, %sh ret i32 %r } define <4 x i32> @sub_lshr_vec(<4 x i32> %x, <4 x i32> %y) { ; CHECK-LABEL: sub_lshr_vec: ; CHECK: # %bb.0: ; CHECK-NEXT: psrad $31, %xmm0 ; CHECK-NEXT: paddd %xmm1, %xmm0 ; CHECK-NEXT: retq %sh = lshr <4 x i32> %x, %r = sub <4 x i32> %y, %sh ret <4 x i32> %r } define i32 @sub_const_op_lshr(i32 %x) { ; CHECK-LABEL: sub_const_op_lshr: ; CHECK: # %bb.0: ; CHECK-NEXT: # kill: def $edi killed $edi def $rdi ; CHECK-NEXT: sarl $31, %edi ; CHECK-NEXT: leal 43(%rdi), %eax ; CHECK-NEXT: retq %sh = lshr i32 %x, 31 %r = sub i32 43, %sh ret i32 %r } define <4 x i32> @sub_const_op_lshr_vec(<4 x i32> %x) { ; CHECK-LABEL: sub_const_op_lshr_vec: ; CHECK: # %bb.0: ; CHECK-NEXT: psrad $31, %xmm0 ; CHECK-NEXT: paddd {{.*}}(%rip), %xmm0 ; CHECK-NEXT: retq %sh = lshr <4 x i32> %x, %r = sub <4 x i32> , %sh ret <4 x i32> %r }