; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s --check-prefix=X86 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+cmov | FileCheck %s --check-prefix=X64 ; ; PR48768 - 'or' clears the overflow flag, so we don't need a separate 'test'. ; define i8 @or_i8_ri(i8 zeroext %0, i8 zeroext %1) { ; X86-LABEL: or_i8_ri: ; X86: # %bb.0: ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl %eax, %ecx ; X86-NEXT: orb $-17, %cl ; X86-NEXT: je .LBB0_2 ; X86-NEXT: # %bb.1: ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: .LBB0_2: ; X86-NEXT: retl ; ; X64-LABEL: or_i8_ri: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: orb $-17, %al ; X64-NEXT: movzbl %al, %eax ; X64-NEXT: cmovel %edi, %eax ; X64-NEXT: # kill: def $al killed $al killed $eax ; X64-NEXT: retq %3 = or i8 %0, -17 %4 = icmp eq i8 %3, 0 %5 = select i1 %4, i8 %0, i8 %3 ret i8 %5 } define i8 @or_i8_rr(i8 zeroext %0, i8 zeroext %1) { ; X86-LABEL: or_i8_rr: ; X86: # %bb.0: ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: orb %al, %cl ; X86-NEXT: je .LBB1_2 ; X86-NEXT: # %bb.1: ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: .LBB1_2: ; X86-NEXT: retl ; ; X64-LABEL: or_i8_rr: ; X64: # %bb.0: ; X64-NEXT: movl %esi, %eax ; X64-NEXT: orl %edi, %eax ; X64-NEXT: cmovel %edi, %eax ; X64-NEXT: # kill: def $al killed $al killed $eax ; X64-NEXT: retq %3 = or i8 %1, %0 %4 = icmp eq i8 %3, 0 %5 = select i1 %4, i8 %0, i8 %3 ret i8 %5 } define i16 @or_i16_ri(i16 zeroext %0, i16 zeroext %1) { ; X86-LABEL: or_i16_ri: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl %eax, %ecx ; X86-NEXT: orl $65519, %ecx # imm = 0xFFEF ; X86-NEXT: testw %cx, %cx ; X86-NEXT: je .LBB2_2 ; X86-NEXT: # %bb.1: ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: .LBB2_2: ; X86-NEXT: # kill: def $ax killed $ax killed $eax ; X86-NEXT: retl ; ; X64-LABEL: or_i16_ri: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: orl $65519, %eax # imm = 0xFFEF ; X64-NEXT: cmovel %edi, %eax ; X64-NEXT: # kill: def $ax killed $ax killed $eax ; X64-NEXT: retq %3 = or i16 %0, -17 %4 = icmp eq i16 %3, 0 %5 = select i1 %4, i16 %0, i16 %3 ret i16 %5 } define i16 @or_i16_rr(i16 zeroext %0, i16 zeroext %1) { ; X86-LABEL: or_i16_rr: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: orw %ax, %cx ; X86-NEXT: je .LBB3_2 ; X86-NEXT: # %bb.1: ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: .LBB3_2: ; X86-NEXT: # kill: def $ax killed $ax killed $eax ; X86-NEXT: retl ; ; X64-LABEL: or_i16_rr: ; X64: # %bb.0: ; X64-NEXT: movl %esi, %eax ; X64-NEXT: orl %edi, %eax ; X64-NEXT: cmovel %edi, %eax ; X64-NEXT: # kill: def $ax killed $ax killed $eax ; X64-NEXT: retq %3 = or i16 %1, %0 %4 = icmp eq i16 %3, 0 %5 = select i1 %4, i16 %0, i16 %3 ret i16 %5 } define i32 @or_i32_ri(i32 %0, i32 %1) { ; X86-LABEL: or_i32_ri: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl %eax, %ecx ; X86-NEXT: orl $-17, %ecx ; X86-NEXT: jle .LBB4_2 ; X86-NEXT: # %bb.1: ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: .LBB4_2: ; X86-NEXT: retl ; ; X64-LABEL: or_i32_ri: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: orl $-17, %eax ; X64-NEXT: cmovlel %edi, %eax ; X64-NEXT: retq %3 = or i32 %0, -17 %4 = icmp slt i32 %3, 1 %5 = select i1 %4, i32 %0, i32 %3 ret i32 %5 } define i32 @or_i32_rr(i32 %0, i32 %1) { ; X86-LABEL: or_i32_rr: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: orl %eax, %ecx ; X86-NEXT: jle .LBB5_2 ; X86-NEXT: # %bb.1: ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: .LBB5_2: ; X86-NEXT: retl ; ; X64-LABEL: or_i32_rr: ; X64: # %bb.0: ; X64-NEXT: movl %esi, %eax ; X64-NEXT: orl %edi, %eax ; X64-NEXT: cmovlel %edi, %eax ; X64-NEXT: retq %3 = or i32 %1, %0 %4 = icmp slt i32 %3, 1 %5 = select i1 %4, i32 %0, i32 %3 ret i32 %5 } define i64 @or_i64_ri(i64 %0, i64 %1) nounwind { ; X86-LABEL: or_i64_ri: ; X86: # %bb.0: ; X86-NEXT: pushl %esi ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl %eax, %ecx ; X86-NEXT: orl $-17, %ecx ; X86-NEXT: cmpl $1, %ecx ; X86-NEXT: movl $-1, %edx ; X86-NEXT: movl $-1, %esi ; X86-NEXT: sbbl $0, %esi ; X86-NEXT: jl .LBB6_1 ; X86-NEXT: # %bb.2: ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: popl %esi ; X86-NEXT: retl ; X86-NEXT: .LBB6_1: ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-NEXT: popl %esi ; X86-NEXT: retl ; ; X64-LABEL: or_i64_ri: ; X64: # %bb.0: ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: orq $-17, %rax ; X64-NEXT: cmovleq %rdi, %rax ; X64-NEXT: retq %3 = or i64 %0, -17 %4 = icmp slt i64 %3, 1 %5 = select i1 %4, i64 %0, i64 %3 ret i64 %5 } define i64 @or_i64_rr(i64 %0, i64 %1) nounwind { ; X86-LABEL: or_i64_rr: ; X86: # %bb.0: ; X86-NEXT: pushl %edi ; X86-NEXT: pushl %esi ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: orl %edx, %ecx ; X86-NEXT: movl {{[0-9]+}}(%esp), %esi ; X86-NEXT: orl %eax, %esi ; X86-NEXT: cmpl $1, %esi ; X86-NEXT: movl %ecx, %edi ; X86-NEXT: sbbl $0, %edi ; X86-NEXT: jl .LBB7_2 ; X86-NEXT: # %bb.1: ; X86-NEXT: movl %esi, %eax ; X86-NEXT: movl %ecx, %edx ; X86-NEXT: .LBB7_2: ; X86-NEXT: popl %esi ; X86-NEXT: popl %edi ; X86-NEXT: retl ; ; X64-LABEL: or_i64_rr: ; X64: # %bb.0: ; X64-NEXT: movq %rsi, %rax ; X64-NEXT: orq %rdi, %rax ; X64-NEXT: cmovleq %rdi, %rax ; X64-NEXT: retq %3 = or i64 %1, %0 %4 = icmp slt i64 %3, 1 %5 = select i1 %4, i64 %0, i64 %3 ret i64 %5 }