1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=i686 -mattr=cmov | FileCheck %s --check-prefix=X86 3; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s --check-prefix=X64 4 5declare i4 @llvm.ssub.sat.i4(i4, i4) 6declare i8 @llvm.ssub.sat.i8(i8, i8) 7declare i16 @llvm.ssub.sat.i16(i16, i16) 8declare i32 @llvm.ssub.sat.i32(i32, i32) 9declare i64 @llvm.ssub.sat.i64(i64, i64) 10 11define i32 @func32(i32 %x, i32 %y, i32 %z) nounwind { 12; X86-LABEL: func32: 13; X86: # %bb.0: 14; X86-NEXT: movl {{[0-9]+}}(%esp), %eax 15; X86-NEXT: movl {{[0-9]+}}(%esp), %edx 16; X86-NEXT: imull {{[0-9]+}}(%esp), %edx 17; X86-NEXT: xorl %ecx, %ecx 18; X86-NEXT: cmpl %edx, %eax 19; X86-NEXT: setns %cl 20; X86-NEXT: addl $2147483647, %ecx # imm = 0x7FFFFFFF 21; X86-NEXT: subl %edx, %eax 22; X86-NEXT: cmovol %ecx, %eax 23; X86-NEXT: retl 24; 25; X64-LABEL: func32: 26; X64: # %bb.0: 27; X64-NEXT: imull %edx, %esi 28; X64-NEXT: xorl %eax, %eax 29; X64-NEXT: cmpl %esi, %edi 30; X64-NEXT: setns %al 31; X64-NEXT: addl $2147483647, %eax # imm = 0x7FFFFFFF 32; X64-NEXT: subl %esi, %edi 33; X64-NEXT: cmovnol %edi, %eax 34; X64-NEXT: retq 35 %a = mul i32 %y, %z 36 %tmp = call i32 @llvm.ssub.sat.i32(i32 %x, i32 %a) 37 ret i32 %tmp 38} 39 40define i64 @func64(i64 %x, i64 %y, i64 %z) nounwind { 41; X86-LABEL: func64: 42; X86: # %bb.0: 43; X86-NEXT: pushl %ebx 44; X86-NEXT: pushl %esi 45; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx 46; X86-NEXT: movl {{[0-9]+}}(%esp), %esi 47; X86-NEXT: subl {{[0-9]+}}(%esp), %ecx 48; X86-NEXT: sbbl {{[0-9]+}}(%esp), %esi 49; X86-NEXT: seto %bl 50; X86-NEXT: movl %esi, %eax 51; X86-NEXT: sarl $31, %eax 52; X86-NEXT: testb %bl, %bl 53; X86-NEXT: cmovel %ecx, %eax 54; X86-NEXT: xorl %edx, %edx 55; X86-NEXT: testl %esi, %esi 56; X86-NEXT: setns %dl 57; X86-NEXT: addl $2147483647, %edx # imm = 0x7FFFFFFF 58; X86-NEXT: testb %bl, %bl 59; X86-NEXT: cmovel %esi, %edx 60; X86-NEXT: popl %esi 61; X86-NEXT: popl %ebx 62; X86-NEXT: retl 63; 64; X64-LABEL: func64: 65; X64: # %bb.0: 66; X64-NEXT: xorl %ecx, %ecx 67; X64-NEXT: cmpq %rdx, %rdi 68; X64-NEXT: setns %cl 69; X64-NEXT: movabsq $9223372036854775807, %rax # imm = 0x7FFFFFFFFFFFFFFF 70; X64-NEXT: addq %rcx, %rax 71; X64-NEXT: subq %rdx, %rdi 72; X64-NEXT: cmovnoq %rdi, %rax 73; X64-NEXT: retq 74 %a = mul i64 %y, %z 75 %tmp = call i64 @llvm.ssub.sat.i64(i64 %x, i64 %z) 76 ret i64 %tmp 77} 78 79define signext i16 @func16(i16 signext %x, i16 signext %y, i16 signext %z) nounwind { 80; X86-LABEL: func16: 81; X86: # %bb.0: 82; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax 83; X86-NEXT: movzwl {{[0-9]+}}(%esp), %edx 84; X86-NEXT: imulw {{[0-9]+}}(%esp), %dx 85; X86-NEXT: xorl %ecx, %ecx 86; X86-NEXT: cmpw %dx, %ax 87; X86-NEXT: setns %cl 88; X86-NEXT: addl $32767, %ecx # imm = 0x7FFF 89; X86-NEXT: subw %dx, %ax 90; X86-NEXT: cmovol %ecx, %eax 91; X86-NEXT: # kill: def $ax killed $ax killed $eax 92; X86-NEXT: retl 93; 94; X64-LABEL: func16: 95; X64: # %bb.0: 96; X64-NEXT: imull %edx, %esi 97; X64-NEXT: xorl %eax, %eax 98; X64-NEXT: cmpw %si, %di 99; X64-NEXT: setns %al 100; X64-NEXT: addl $32767, %eax # imm = 0x7FFF 101; X64-NEXT: subw %si, %di 102; X64-NEXT: cmovnol %edi, %eax 103; X64-NEXT: # kill: def $ax killed $ax killed $eax 104; X64-NEXT: retq 105 %a = mul i16 %y, %z 106 %tmp = call i16 @llvm.ssub.sat.i16(i16 %x, i16 %a) 107 ret i16 %tmp 108} 109 110define signext i8 @func8(i8 signext %x, i8 signext %y, i8 signext %z) nounwind { 111; X86-LABEL: func8: 112; X86: # %bb.0: 113; X86-NEXT: movb {{[0-9]+}}(%esp), %dl 114; X86-NEXT: movb {{[0-9]+}}(%esp), %al 115; X86-NEXT: mulb {{[0-9]+}}(%esp) 116; X86-NEXT: xorl %ecx, %ecx 117; X86-NEXT: cmpb %al, %dl 118; X86-NEXT: setns %cl 119; X86-NEXT: addl $127, %ecx 120; X86-NEXT: subb %al, %dl 121; X86-NEXT: movzbl %dl, %eax 122; X86-NEXT: cmovol %ecx, %eax 123; X86-NEXT: # kill: def $al killed $al killed $eax 124; X86-NEXT: retl 125; 126; X64-LABEL: func8: 127; X64: # %bb.0: 128; X64-NEXT: movl %esi, %eax 129; X64-NEXT: # kill: def $al killed $al killed $eax 130; X64-NEXT: mulb %dl 131; X64-NEXT: xorl %ecx, %ecx 132; X64-NEXT: cmpb %al, %dil 133; X64-NEXT: setns %cl 134; X64-NEXT: addl $127, %ecx 135; X64-NEXT: subb %al, %dil 136; X64-NEXT: movzbl %dil, %eax 137; X64-NEXT: cmovol %ecx, %eax 138; X64-NEXT: # kill: def $al killed $al killed $eax 139; X64-NEXT: retq 140 %a = mul i8 %y, %z 141 %tmp = call i8 @llvm.ssub.sat.i8(i8 %x, i8 %a) 142 ret i8 %tmp 143} 144 145define signext i4 @func4(i4 signext %x, i4 signext %y, i4 signext %z) nounwind { 146; X86-LABEL: func4: 147; X86: # %bb.0: 148; X86-NEXT: movb {{[0-9]+}}(%esp), %cl 149; X86-NEXT: movb {{[0-9]+}}(%esp), %al 150; X86-NEXT: mulb {{[0-9]+}}(%esp) 151; X86-NEXT: shlb $4, %al 152; X86-NEXT: sarb $4, %al 153; X86-NEXT: subb %al, %cl 154; X86-NEXT: movzbl %cl, %eax 155; X86-NEXT: cmpb $7, %cl 156; X86-NEXT: movl $7, %ecx 157; X86-NEXT: cmovll %eax, %ecx 158; X86-NEXT: cmpb $-8, %cl 159; X86-NEXT: movl $248, %eax 160; X86-NEXT: cmovgl %ecx, %eax 161; X86-NEXT: movsbl %al, %eax 162; X86-NEXT: retl 163; 164; X64-LABEL: func4: 165; X64: # %bb.0: 166; X64-NEXT: movl %esi, %eax 167; X64-NEXT: # kill: def $al killed $al killed $eax 168; X64-NEXT: mulb %dl 169; X64-NEXT: shlb $4, %al 170; X64-NEXT: sarb $4, %al 171; X64-NEXT: subb %al, %dil 172; X64-NEXT: movzbl %dil, %eax 173; X64-NEXT: cmpb $7, %al 174; X64-NEXT: movl $7, %ecx 175; X64-NEXT: cmovll %eax, %ecx 176; X64-NEXT: cmpb $-8, %cl 177; X64-NEXT: movl $248, %eax 178; X64-NEXT: cmovgl %ecx, %eax 179; X64-NEXT: movsbl %al, %eax 180; X64-NEXT: retq 181 %a = mul i4 %y, %z 182 %tmp = call i4 @llvm.ssub.sat.i4(i4 %x, i4 %a) 183 ret i4 %tmp 184} 185