; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux | FileCheck %s ; RUN: llc < %s -mcpu=generic -mtriple=i686 -mattr=cmov | FileCheck %s --check-prefix=CHECK32 declare i4 @llvm.usub.sat.i4 (i4, i4) declare i32 @llvm.usub.sat.i32 (i32, i32) declare i64 @llvm.usub.sat.i64 (i64, i64) declare <4 x i32> @llvm.usub.sat.v4i32(<4 x i32>, <4 x i32>) define i32 @func(i32 %x, i32 %y) { ; CHECK-LABEL: func: ; CHECK: # %bb.0: ; CHECK-NEXT: xorl %eax, %eax ; CHECK-NEXT: subl %esi, %edi ; CHECK-NEXT: cmovael %edi, %eax ; CHECK-NEXT: retq ; ; CHECK32-LABEL: func: ; CHECK32: # %bb.0: ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %eax ; CHECK32-NEXT: xorl %ecx, %ecx ; CHECK32-NEXT: subl {{[0-9]+}}(%esp), %eax ; CHECK32-NEXT: cmovbl %ecx, %eax ; CHECK32-NEXT: retl %tmp = call i32 @llvm.usub.sat.i32(i32 %x, i32 %y); ret i32 %tmp; } define i64 @func2(i64 %x, i64 %y) { ; CHECK-LABEL: func2: ; CHECK: # %bb.0: ; CHECK-NEXT: xorl %eax, %eax ; CHECK-NEXT: subq %rsi, %rdi ; CHECK-NEXT: cmovaeq %rdi, %rax ; CHECK-NEXT: retq ; ; CHECK32-LABEL: func2: ; CHECK32: # %bb.0: ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %eax ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %edx ; CHECK32-NEXT: xorl %ecx, %ecx ; CHECK32-NEXT: subl {{[0-9]+}}(%esp), %eax ; CHECK32-NEXT: sbbl {{[0-9]+}}(%esp), %edx ; CHECK32-NEXT: cmovbl %ecx, %edx ; CHECK32-NEXT: cmovbl %ecx, %eax ; CHECK32-NEXT: retl %tmp = call i64 @llvm.usub.sat.i64(i64 %x, i64 %y); ret i64 %tmp; } define i4 @func3(i4 %x, i4 %y) { ; CHECK-LABEL: func3: ; CHECK: # %bb.0: ; CHECK-NEXT: movl %edi, %eax ; CHECK-NEXT: shlb $4, %sil ; CHECK-NEXT: shlb $4, %al ; CHECK-NEXT: subb %sil, %al ; CHECK-NEXT: jae .LBB2_2 ; CHECK-NEXT: # %bb.1: ; CHECK-NEXT: xorl %eax, %eax ; CHECK-NEXT: .LBB2_2: ; CHECK-NEXT: shrb $4, %al ; CHECK-NEXT: # kill: def $al killed $al killed $eax ; CHECK-NEXT: retq ; ; CHECK32-LABEL: func3: ; CHECK32: # %bb.0: ; CHECK32-NEXT: movb {{[0-9]+}}(%esp), %al ; CHECK32-NEXT: movb {{[0-9]+}}(%esp), %cl ; CHECK32-NEXT: shlb $4, %cl ; CHECK32-NEXT: shlb $4, %al ; CHECK32-NEXT: subb %cl, %al ; CHECK32-NEXT: jae .LBB2_2 ; CHECK32-NEXT: # %bb.1: ; CHECK32-NEXT: xorl %eax, %eax ; CHECK32-NEXT: .LBB2_2: ; CHECK32-NEXT: shrb $4, %al ; CHECK32-NEXT: # kill: def $al killed $al killed $eax ; CHECK32-NEXT: retl %tmp = call i4 @llvm.usub.sat.i4(i4 %x, i4 %y); ret i4 %tmp; } define <4 x i32> @vec(<4 x i32> %x, <4 x i32> %y) { ; CHECK-LABEL: vec: ; CHECK: # %bb.0: ; CHECK-NEXT: pshufd {{.*#+}} xmm2 = xmm1[3,1,2,3] ; CHECK-NEXT: movd %xmm2, %eax ; CHECK-NEXT: pshufd {{.*#+}} xmm2 = xmm0[3,1,2,3] ; CHECK-NEXT: movd %xmm2, %ecx ; CHECK-NEXT: xorl %edx, %edx ; CHECK-NEXT: subl %eax, %ecx ; CHECK-NEXT: cmovbl %edx, %ecx ; CHECK-NEXT: movd %ecx, %xmm2 ; CHECK-NEXT: pshufd {{.*#+}} xmm3 = xmm1[2,3,0,1] ; CHECK-NEXT: movd %xmm3, %eax ; CHECK-NEXT: pshufd {{.*#+}} xmm3 = xmm0[2,3,0,1] ; CHECK-NEXT: movd %xmm3, %ecx ; CHECK-NEXT: subl %eax, %ecx ; CHECK-NEXT: cmovbl %edx, %ecx ; CHECK-NEXT: movd %ecx, %xmm3 ; CHECK-NEXT: punpckldq {{.*#+}} xmm3 = xmm3[0],xmm2[0],xmm3[1],xmm2[1] ; CHECK-NEXT: movd %xmm1, %eax ; CHECK-NEXT: movd %xmm0, %ecx ; CHECK-NEXT: subl %eax, %ecx ; CHECK-NEXT: cmovbl %edx, %ecx ; CHECK-NEXT: movd %ecx, %xmm2 ; CHECK-NEXT: pshufd {{.*#+}} xmm1 = xmm1[1,1,2,3] ; CHECK-NEXT: movd %xmm1, %eax ; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm0[1,1,2,3] ; CHECK-NEXT: movd %xmm0, %ecx ; CHECK-NEXT: subl %eax, %ecx ; CHECK-NEXT: cmovbl %edx, %ecx ; CHECK-NEXT: movd %ecx, %xmm0 ; CHECK-NEXT: punpckldq {{.*#+}} xmm2 = xmm2[0],xmm0[0],xmm2[1],xmm0[1] ; CHECK-NEXT: punpcklqdq {{.*#+}} xmm2 = xmm2[0],xmm3[0] ; CHECK-NEXT: movdqa %xmm2, %xmm0 ; CHECK-NEXT: retq ; ; CHECK32-LABEL: vec: ; CHECK32: # %bb.0: ; CHECK32-NEXT: pushl %ebx ; CHECK32-NEXT: .cfi_def_cfa_offset 8 ; CHECK32-NEXT: pushl %edi ; CHECK32-NEXT: .cfi_def_cfa_offset 12 ; CHECK32-NEXT: pushl %esi ; CHECK32-NEXT: .cfi_def_cfa_offset 16 ; CHECK32-NEXT: .cfi_offset %esi, -16 ; CHECK32-NEXT: .cfi_offset %edi, -12 ; CHECK32-NEXT: .cfi_offset %ebx, -8 ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %eax ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %edx ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %esi ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %edi ; CHECK32-NEXT: xorl %ebx, %ebx ; CHECK32-NEXT: subl {{[0-9]+}}(%esp), %edi ; CHECK32-NEXT: cmovbl %ebx, %edi ; CHECK32-NEXT: subl {{[0-9]+}}(%esp), %esi ; CHECK32-NEXT: cmovbl %ebx, %esi ; CHECK32-NEXT: subl {{[0-9]+}}(%esp), %edx ; CHECK32-NEXT: cmovbl %ebx, %edx ; CHECK32-NEXT: subl {{[0-9]+}}(%esp), %ecx ; CHECK32-NEXT: cmovbl %ebx, %ecx ; CHECK32-NEXT: movl %ecx, 12(%eax) ; CHECK32-NEXT: movl %edx, 8(%eax) ; CHECK32-NEXT: movl %esi, 4(%eax) ; CHECK32-NEXT: movl %edi, (%eax) ; CHECK32-NEXT: popl %esi ; CHECK32-NEXT: .cfi_def_cfa_offset 12 ; CHECK32-NEXT: popl %edi ; CHECK32-NEXT: .cfi_def_cfa_offset 8 ; CHECK32-NEXT: popl %ebx ; CHECK32-NEXT: .cfi_def_cfa_offset 4 ; CHECK32-NEXT: retl $4 %tmp = call <4 x i32> @llvm.usub.sat.v4i32(<4 x i32> %x, <4 x i32> %y); ret <4 x i32> %tmp; }