| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=x86_64-unknown-linux-gnu %s -o - | FileCheck %s |
| |
| define i32 @xori64i32(i64 %a) { |
| ; CHECK-LABEL: xori64i32: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movq %rdi, %rax |
| ; CHECK-NEXT: sarq $63, %rax |
| ; CHECK-NEXT: xorl $2147483647, %eax # imm = 0x7FFFFFFF |
| ; CHECK-NEXT: # kill: def $eax killed $eax killed $rax |
| ; CHECK-NEXT: retq |
| %shr4 = ashr i64 %a, 63 |
| %conv5 = trunc i64 %shr4 to i32 |
| %xor = xor i32 %conv5, 2147483647 |
| ret i32 %xor |
| } |
| |
| define i64 @selecti64i64(i64 %a) { |
| ; CHECK-LABEL: selecti64i64: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movq %rdi, %rax |
| ; CHECK-NEXT: sarq $63, %rax |
| ; CHECK-NEXT: xorq $2147483647, %rax # imm = 0x7FFFFFFF |
| ; CHECK-NEXT: retq |
| %c = icmp sgt i64 %a, -1 |
| %s = select i1 %c, i64 2147483647, i64 -2147483648 |
| ret i64 %s |
| } |
| |
| define i32 @selecti64i32(i64 %a) { |
| ; CHECK-LABEL: selecti64i32: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xorl %ecx, %ecx |
| ; CHECK-NEXT: testq %rdi, %rdi |
| ; CHECK-NEXT: setns %cl |
| ; CHECK-NEXT: movl $-2147483648, %eax # imm = 0x80000000 |
| ; CHECK-NEXT: subl %ecx, %eax |
| ; CHECK-NEXT: retq |
| %c = icmp sgt i64 %a, -1 |
| %s = select i1 %c, i32 2147483647, i32 -2147483648 |
| ret i32 %s |
| } |
| |
| define i64 @selecti32i64(i32 %a) { |
| ; CHECK-LABEL: selecti32i64: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: sarl $31, %edi |
| ; CHECK-NEXT: movslq %edi, %rax |
| ; CHECK-NEXT: xorq $2147483647, %rax # imm = 0x7FFFFFFF |
| ; CHECK-NEXT: retq |
| %c = icmp sgt i32 %a, -1 |
| %s = select i1 %c, i64 2147483647, i64 -2147483648 |
| ret i64 %s |
| } |
| |
| |
| |
| define i8 @xori32i8(i32 %a) { |
| ; CHECK-LABEL: xori32i8: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movl %edi, %eax |
| ; CHECK-NEXT: sarl $31, %eax |
| ; CHECK-NEXT: xorb $84, %al |
| ; CHECK-NEXT: # kill: def $al killed $al killed $eax |
| ; CHECK-NEXT: retq |
| %shr4 = ashr i32 %a, 31 |
| %conv5 = trunc i32 %shr4 to i8 |
| %xor = xor i8 %conv5, 84 |
| ret i8 %xor |
| } |
| |
| define i32 @selecti32i32(i32 %a) { |
| ; CHECK-LABEL: selecti32i32: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movl %edi, %eax |
| ; CHECK-NEXT: sarl $31, %eax |
| ; CHECK-NEXT: xorl $84, %eax |
| ; CHECK-NEXT: retq |
| %c = icmp sgt i32 %a, -1 |
| %s = select i1 %c, i32 84, i32 -85 |
| ret i32 %s |
| } |
| |
| define i8 @selecti32i8(i32 %a) { |
| ; CHECK-LABEL: selecti32i8: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movl %edi, %eax |
| ; CHECK-NEXT: sarl $31, %eax |
| ; CHECK-NEXT: xorb $84, %al |
| ; CHECK-NEXT: # kill: def $al killed $al killed $eax |
| ; CHECK-NEXT: retq |
| %c = icmp sgt i32 %a, -1 |
| %s = select i1 %c, i8 84, i8 -85 |
| ret i8 %s |
| } |
| |
| define i32 @selecti8i32(i8 %a) { |
| ; CHECK-LABEL: selecti8i32: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: sarb $7, %dil |
| ; CHECK-NEXT: movsbl %dil, %eax |
| ; CHECK-NEXT: xorl $84, %eax |
| ; CHECK-NEXT: retq |
| %c = icmp sgt i8 %a, -1 |
| %s = select i1 %c, i32 84, i32 -85 |
| ret i32 %s |
| } |
| |
| define i32 @icmpasreq(i32 %input, i32 %a, i32 %b) { |
| ; CHECK-LABEL: icmpasreq: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movl %esi, %eax |
| ; CHECK-NEXT: testl %edi, %edi |
| ; CHECK-NEXT: cmovnsl %edx, %eax |
| ; CHECK-NEXT: retq |
| %sh = ashr i32 %input, 31 |
| %c = icmp eq i32 %sh, -1 |
| %s = select i1 %c, i32 %a, i32 %b |
| ret i32 %s |
| } |
| |
| define i32 @icmpasrne(i32 %input, i32 %a, i32 %b) { |
| ; CHECK-LABEL: icmpasrne: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movl %esi, %eax |
| ; CHECK-NEXT: testl %edi, %edi |
| ; CHECK-NEXT: cmovsl %edx, %eax |
| ; CHECK-NEXT: retq |
| %sh = ashr i32 %input, 31 |
| %c = icmp ne i32 %sh, -1 |
| %s = select i1 %c, i32 %a, i32 %b |
| ret i32 %s |
| } |
| |
| define i32 @oneusecmp(i32 %a, i32 %b, i32 %d) { |
| ; CHECK-LABEL: oneusecmp: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movl %edi, %eax |
| ; CHECK-NEXT: sarl $31, %eax |
| ; CHECK-NEXT: xorl $127, %eax |
| ; CHECK-NEXT: testl %edi, %edi |
| ; CHECK-NEXT: cmovsl %edx, %esi |
| ; CHECK-NEXT: addl %esi, %eax |
| ; CHECK-NEXT: retq |
| %c = icmp sle i32 %a, -1 |
| %s = select i1 %c, i32 -128, i32 127 |
| %s2 = select i1 %c, i32 %d, i32 %b |
| %x = add i32 %s, %s2 |
| ret i32 %x |
| } |