| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=cmov | FileCheck %s --check-prefix=X86 --check-prefix=X86-NOSSE |
| ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X86 --check-prefix=X86-SSE2 |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64 --check-prefix=X64-SSE2 |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx2 | FileCheck %s --check-prefix=X64 --check-prefix=X64-AVX2 |
| |
| ; This tests codegen time inlining/optimization of memcmp |
| ; rdar://6480398 |
| |
| @.str = private constant [65 x i8] c"0123456789012345678901234567890123456789012345678901234567890123\00", align 1 |
| |
| declare i32 @memcmp(i8*, i8*, i64) |
| |
| define i32 @length2(i8* %X, i8* %Y) nounwind optsize { |
| ; X86-LABEL: length2: |
| ; X86: # BB#0: |
| ; X86-NEXT: pushl %edi |
| ; X86-NEXT: pushl %esi |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movzwl (%ecx), %ecx |
| ; X86-NEXT: movzwl (%eax), %edx |
| ; X86-NEXT: rolw $8, %cx |
| ; X86-NEXT: rolw $8, %dx |
| ; X86-NEXT: xorl %esi, %esi |
| ; X86-NEXT: xorl %edi, %edi |
| ; X86-NEXT: incl %edi |
| ; X86-NEXT: xorl %eax, %eax |
| ; X86-NEXT: decl %eax |
| ; X86-NEXT: cmpw %dx, %cx |
| ; X86-NEXT: cmovael %edi, %eax |
| ; X86-NEXT: cmovel %esi, %eax |
| ; X86-NEXT: popl %esi |
| ; X86-NEXT: popl %edi |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: length2: |
| ; X64: # BB#0: |
| ; X64-NEXT: movzwl (%rdi), %eax |
| ; X64-NEXT: movzwl (%rsi), %ecx |
| ; X64-NEXT: rolw $8, %ax |
| ; X64-NEXT: rolw $8, %cx |
| ; X64-NEXT: xorl %edx, %edx |
| ; X64-NEXT: cmpw %cx, %ax |
| ; X64-NEXT: movl $-1, %ecx |
| ; X64-NEXT: movl $1, %eax |
| ; X64-NEXT: cmovbl %ecx, %eax |
| ; X64-NEXT: cmovel %edx, %eax |
| ; X64-NEXT: retq |
| %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 2) nounwind |
| ret i32 %m |
| } |
| |
| define i1 @length2_eq(i8* %X, i8* %Y) nounwind optsize { |
| ; X86-LABEL: length2_eq: |
| ; X86: # BB#0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movzwl (%ecx), %ecx |
| ; X86-NEXT: cmpw (%eax), %cx |
| ; X86-NEXT: sete %al |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: length2_eq: |
| ; X64: # BB#0: |
| ; X64-NEXT: movzwl (%rdi), %eax |
| ; X64-NEXT: cmpw (%rsi), %ax |
| ; X64-NEXT: sete %al |
| ; X64-NEXT: retq |
| %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 2) nounwind |
| %c = icmp eq i32 %m, 0 |
| ret i1 %c |
| } |
| |
| define i1 @length2_eq_const(i8* %X) nounwind optsize { |
| ; X86-LABEL: length2_eq_const: |
| ; X86: # BB#0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movzwl (%eax), %eax |
| ; X86-NEXT: cmpl $12849, %eax # imm = 0x3231 |
| ; X86-NEXT: setne %al |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: length2_eq_const: |
| ; X64: # BB#0: |
| ; X64-NEXT: movzwl (%rdi), %eax |
| ; X64-NEXT: cmpl $12849, %eax # imm = 0x3231 |
| ; X64-NEXT: setne %al |
| ; X64-NEXT: retq |
| %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 1), i64 2) nounwind |
| %c = icmp ne i32 %m, 0 |
| ret i1 %c |
| } |
| |
| define i1 @length2_eq_nobuiltin_attr(i8* %X, i8* %Y) nounwind optsize { |
| ; X86-LABEL: length2_eq_nobuiltin_attr: |
| ; X86: # BB#0: |
| ; X86-NEXT: pushl $0 |
| ; X86-NEXT: pushl $2 |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: calll memcmp |
| ; X86-NEXT: addl $16, %esp |
| ; X86-NEXT: testl %eax, %eax |
| ; X86-NEXT: sete %al |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: length2_eq_nobuiltin_attr: |
| ; X64: # BB#0: |
| ; X64-NEXT: pushq %rax |
| ; X64-NEXT: movl $2, %edx |
| ; X64-NEXT: callq memcmp |
| ; X64-NEXT: testl %eax, %eax |
| ; X64-NEXT: sete %al |
| ; X64-NEXT: popq %rcx |
| ; X64-NEXT: retq |
| %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 2) nounwind nobuiltin |
| %c = icmp eq i32 %m, 0 |
| ret i1 %c |
| } |
| |
| define i32 @length3(i8* %X, i8* %Y) nounwind optsize { |
| ; X86-LABEL: length3: |
| ; X86: # BB#0: # %loadbb |
| ; X86-NEXT: pushl %esi |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movzwl (%eax), %edx |
| ; X86-NEXT: movzwl (%ecx), %esi |
| ; X86-NEXT: rolw $8, %dx |
| ; X86-NEXT: rolw $8, %si |
| ; X86-NEXT: movzwl %dx, %edx |
| ; X86-NEXT: movzwl %si, %esi |
| ; X86-NEXT: cmpl %esi, %edx |
| ; X86-NEXT: jne .LBB4_1 |
| ; X86-NEXT: # BB#2: # %loadbb1 |
| ; X86-NEXT: movzbl 2(%eax), %eax |
| ; X86-NEXT: movzbl 2(%ecx), %ecx |
| ; X86-NEXT: subl %ecx, %eax |
| ; X86-NEXT: jmp .LBB4_3 |
| ; X86-NEXT: .LBB4_1: # %res_block |
| ; X86-NEXT: xorl %ecx, %ecx |
| ; X86-NEXT: incl %ecx |
| ; X86-NEXT: xorl %eax, %eax |
| ; X86-NEXT: decl %eax |
| ; X86-NEXT: cmpl %esi, %edx |
| ; X86-NEXT: cmovael %ecx, %eax |
| ; X86-NEXT: .LBB4_3: # %endblock |
| ; X86-NEXT: popl %esi |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: length3: |
| ; X64: # BB#0: # %loadbb |
| ; X64-NEXT: movzwl (%rdi), %eax |
| ; X64-NEXT: movzwl (%rsi), %ecx |
| ; X64-NEXT: rolw $8, %ax |
| ; X64-NEXT: rolw $8, %cx |
| ; X64-NEXT: movzwl %ax, %eax |
| ; X64-NEXT: movzwl %cx, %ecx |
| ; X64-NEXT: cmpq %rcx, %rax |
| ; X64-NEXT: jne .LBB4_1 |
| ; X64-NEXT: # BB#2: # %loadbb1 |
| ; X64-NEXT: movzbl 2(%rdi), %eax |
| ; X64-NEXT: movzbl 2(%rsi), %ecx |
| ; X64-NEXT: subl %ecx, %eax |
| ; X64-NEXT: retq |
| ; X64-NEXT: .LBB4_1: # %res_block |
| ; X64-NEXT: movl $-1, %ecx |
| ; X64-NEXT: movl $1, %eax |
| ; X64-NEXT: cmovbl %ecx, %eax |
| ; X64-NEXT: retq |
| %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 3) nounwind |
| ret i32 %m |
| } |
| |
| define i1 @length3_eq(i8* %X, i8* %Y) nounwind optsize { |
| ; X86-LABEL: length3_eq: |
| ; X86: # BB#0: # %loadbb |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movzwl (%eax), %edx |
| ; X86-NEXT: cmpw (%ecx), %dx |
| ; X86-NEXT: jne .LBB5_1 |
| ; X86-NEXT: # BB#2: # %loadbb1 |
| ; X86-NEXT: movb 2(%eax), %dl |
| ; X86-NEXT: xorl %eax, %eax |
| ; X86-NEXT: cmpb 2(%ecx), %dl |
| ; X86-NEXT: je .LBB5_3 |
| ; X86-NEXT: .LBB5_1: # %res_block |
| ; X86-NEXT: xorl %eax, %eax |
| ; X86-NEXT: incl %eax |
| ; X86-NEXT: .LBB5_3: # %endblock |
| ; X86-NEXT: testl %eax, %eax |
| ; X86-NEXT: setne %al |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: length3_eq: |
| ; X64: # BB#0: # %loadbb |
| ; X64-NEXT: movzwl (%rdi), %eax |
| ; X64-NEXT: cmpw (%rsi), %ax |
| ; X64-NEXT: jne .LBB5_1 |
| ; X64-NEXT: # BB#2: # %loadbb1 |
| ; X64-NEXT: movb 2(%rdi), %cl |
| ; X64-NEXT: xorl %eax, %eax |
| ; X64-NEXT: cmpb 2(%rsi), %cl |
| ; X64-NEXT: je .LBB5_3 |
| ; X64-NEXT: .LBB5_1: # %res_block |
| ; X64-NEXT: movl $1, %eax |
| ; X64-NEXT: .LBB5_3: # %endblock |
| ; X64-NEXT: testl %eax, %eax |
| ; X64-NEXT: setne %al |
| ; X64-NEXT: retq |
| %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 3) nounwind |
| %c = icmp ne i32 %m, 0 |
| ret i1 %c |
| } |
| |
| define i32 @length4(i8* %X, i8* %Y) nounwind optsize { |
| ; X86-LABEL: length4: |
| ; X86: # BB#0: |
| ; X86-NEXT: pushl %edi |
| ; X86-NEXT: pushl %esi |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movl (%ecx), %ecx |
| ; X86-NEXT: movl (%eax), %edx |
| ; X86-NEXT: bswapl %ecx |
| ; X86-NEXT: bswapl %edx |
| ; X86-NEXT: xorl %esi, %esi |
| ; X86-NEXT: xorl %edi, %edi |
| ; X86-NEXT: incl %edi |
| ; X86-NEXT: xorl %eax, %eax |
| ; X86-NEXT: decl %eax |
| ; X86-NEXT: cmpl %edx, %ecx |
| ; X86-NEXT: cmovael %edi, %eax |
| ; X86-NEXT: cmovel %esi, %eax |
| ; X86-NEXT: popl %esi |
| ; X86-NEXT: popl %edi |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: length4: |
| ; X64: # BB#0: |
| ; X64-NEXT: movl (%rdi), %eax |
| ; X64-NEXT: movl (%rsi), %ecx |
| ; X64-NEXT: bswapl %eax |
| ; X64-NEXT: bswapl %ecx |
| ; X64-NEXT: xorl %edx, %edx |
| ; X64-NEXT: cmpl %ecx, %eax |
| ; X64-NEXT: movl $-1, %ecx |
| ; X64-NEXT: movl $1, %eax |
| ; X64-NEXT: cmovbl %ecx, %eax |
| ; X64-NEXT: cmovel %edx, %eax |
| ; X64-NEXT: retq |
| %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 4) nounwind |
| ret i32 %m |
| } |
| |
| define i1 @length4_eq(i8* %X, i8* %Y) nounwind optsize { |
| ; X86-LABEL: length4_eq: |
| ; X86: # BB#0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movl (%ecx), %ecx |
| ; X86-NEXT: cmpl (%eax), %ecx |
| ; X86-NEXT: setne %al |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: length4_eq: |
| ; X64: # BB#0: |
| ; X64-NEXT: movl (%rdi), %eax |
| ; X64-NEXT: cmpl (%rsi), %eax |
| ; X64-NEXT: setne %al |
| ; X64-NEXT: retq |
| %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 4) nounwind |
| %c = icmp ne i32 %m, 0 |
| ret i1 %c |
| } |
| |
| define i1 @length4_eq_const(i8* %X) nounwind optsize { |
| ; X86-LABEL: length4_eq_const: |
| ; X86: # BB#0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: cmpl $875770417, (%eax) # imm = 0x34333231 |
| ; X86-NEXT: sete %al |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: length4_eq_const: |
| ; X64: # BB#0: |
| ; X64-NEXT: cmpl $875770417, (%rdi) # imm = 0x34333231 |
| ; X64-NEXT: sete %al |
| ; X64-NEXT: retq |
| %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 1), i64 4) nounwind |
| %c = icmp eq i32 %m, 0 |
| ret i1 %c |
| } |
| |
| define i32 @length5(i8* %X, i8* %Y) nounwind optsize { |
| ; X86-LABEL: length5: |
| ; X86: # BB#0: # %loadbb |
| ; X86-NEXT: pushl %esi |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movl (%eax), %edx |
| ; X86-NEXT: movl (%ecx), %esi |
| ; X86-NEXT: bswapl %edx |
| ; X86-NEXT: bswapl %esi |
| ; X86-NEXT: cmpl %esi, %edx |
| ; X86-NEXT: jne .LBB9_1 |
| ; X86-NEXT: # BB#2: # %loadbb1 |
| ; X86-NEXT: movzbl 4(%eax), %eax |
| ; X86-NEXT: movzbl 4(%ecx), %ecx |
| ; X86-NEXT: subl %ecx, %eax |
| ; X86-NEXT: jmp .LBB9_3 |
| ; X86-NEXT: .LBB9_1: # %res_block |
| ; X86-NEXT: xorl %ecx, %ecx |
| ; X86-NEXT: incl %ecx |
| ; X86-NEXT: xorl %eax, %eax |
| ; X86-NEXT: decl %eax |
| ; X86-NEXT: cmpl %esi, %edx |
| ; X86-NEXT: cmovael %ecx, %eax |
| ; X86-NEXT: .LBB9_3: # %endblock |
| ; X86-NEXT: popl %esi |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: length5: |
| ; X64: # BB#0: # %loadbb |
| ; X64-NEXT: movl (%rdi), %eax |
| ; X64-NEXT: movl (%rsi), %ecx |
| ; X64-NEXT: bswapl %eax |
| ; X64-NEXT: bswapl %ecx |
| ; X64-NEXT: cmpq %rcx, %rax |
| ; X64-NEXT: jne .LBB9_1 |
| ; X64-NEXT: # BB#2: # %loadbb1 |
| ; X64-NEXT: movzbl 4(%rdi), %eax |
| ; X64-NEXT: movzbl 4(%rsi), %ecx |
| ; X64-NEXT: subl %ecx, %eax |
| ; X64-NEXT: retq |
| ; X64-NEXT: .LBB9_1: # %res_block |
| ; X64-NEXT: movl $-1, %ecx |
| ; X64-NEXT: movl $1, %eax |
| ; X64-NEXT: cmovbl %ecx, %eax |
| ; X64-NEXT: retq |
| %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 5) nounwind |
| ret i32 %m |
| } |
| |
| define i1 @length5_eq(i8* %X, i8* %Y) nounwind optsize { |
| ; X86-LABEL: length5_eq: |
| ; X86: # BB#0: # %loadbb |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movl (%eax), %edx |
| ; X86-NEXT: cmpl (%ecx), %edx |
| ; X86-NEXT: jne .LBB10_1 |
| ; X86-NEXT: # BB#2: # %loadbb1 |
| ; X86-NEXT: movb 4(%eax), %dl |
| ; X86-NEXT: xorl %eax, %eax |
| ; X86-NEXT: cmpb 4(%ecx), %dl |
| ; X86-NEXT: je .LBB10_3 |
| ; X86-NEXT: .LBB10_1: # %res_block |
| ; X86-NEXT: xorl %eax, %eax |
| ; X86-NEXT: incl %eax |
| ; X86-NEXT: .LBB10_3: # %endblock |
| ; X86-NEXT: testl %eax, %eax |
| ; X86-NEXT: setne %al |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: length5_eq: |
| ; X64: # BB#0: # %loadbb |
| ; X64-NEXT: movl (%rdi), %eax |
| ; X64-NEXT: cmpl (%rsi), %eax |
| ; X64-NEXT: jne .LBB10_1 |
| ; X64-NEXT: # BB#2: # %loadbb1 |
| ; X64-NEXT: movb 4(%rdi), %cl |
| ; X64-NEXT: xorl %eax, %eax |
| ; X64-NEXT: cmpb 4(%rsi), %cl |
| ; X64-NEXT: je .LBB10_3 |
| ; X64-NEXT: .LBB10_1: # %res_block |
| ; X64-NEXT: movl $1, %eax |
| ; X64-NEXT: .LBB10_3: # %endblock |
| ; X64-NEXT: testl %eax, %eax |
| ; X64-NEXT: setne %al |
| ; X64-NEXT: retq |
| %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 5) nounwind |
| %c = icmp ne i32 %m, 0 |
| ret i1 %c |
| } |
| |
| define i32 @length8(i8* %X, i8* %Y) nounwind optsize { |
| ; X86-LABEL: length8: |
| ; X86: # BB#0: # %loadbb |
| ; X86-NEXT: pushl %esi |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %esi |
| ; X86-NEXT: movl (%esi), %ecx |
| ; X86-NEXT: movl (%eax), %edx |
| ; X86-NEXT: bswapl %ecx |
| ; X86-NEXT: bswapl %edx |
| ; X86-NEXT: cmpl %edx, %ecx |
| ; X86-NEXT: jne .LBB11_1 |
| ; X86-NEXT: # BB#2: # %loadbb1 |
| ; X86-NEXT: movl 4(%esi), %ecx |
| ; X86-NEXT: movl 4(%eax), %edx |
| ; X86-NEXT: bswapl %ecx |
| ; X86-NEXT: bswapl %edx |
| ; X86-NEXT: xorl %eax, %eax |
| ; X86-NEXT: cmpl %edx, %ecx |
| ; X86-NEXT: je .LBB11_3 |
| ; X86-NEXT: .LBB11_1: # %res_block |
| ; X86-NEXT: xorl %esi, %esi |
| ; X86-NEXT: incl %esi |
| ; X86-NEXT: xorl %eax, %eax |
| ; X86-NEXT: decl %eax |
| ; X86-NEXT: cmpl %edx, %ecx |
| ; X86-NEXT: cmovael %esi, %eax |
| ; X86-NEXT: .LBB11_3: # %endblock |
| ; X86-NEXT: popl %esi |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: length8: |
| ; X64: # BB#0: |
| ; X64-NEXT: movq (%rdi), %rax |
| ; X64-NEXT: movq (%rsi), %rcx |
| ; X64-NEXT: bswapq %rax |
| ; X64-NEXT: bswapq %rcx |
| ; X64-NEXT: xorl %edx, %edx |
| ; X64-NEXT: cmpq %rcx, %rax |
| ; X64-NEXT: movl $-1, %ecx |
| ; X64-NEXT: movl $1, %eax |
| ; X64-NEXT: cmovbl %ecx, %eax |
| ; X64-NEXT: cmovel %edx, %eax |
| ; X64-NEXT: retq |
| %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 8) nounwind |
| ret i32 %m |
| } |
| |
| define i1 @length8_eq(i8* %X, i8* %Y) nounwind optsize { |
| ; X86-LABEL: length8_eq: |
| ; X86: # BB#0: # %loadbb |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movl (%eax), %edx |
| ; X86-NEXT: cmpl (%ecx), %edx |
| ; X86-NEXT: jne .LBB12_1 |
| ; X86-NEXT: # BB#2: # %loadbb1 |
| ; X86-NEXT: movl 4(%eax), %edx |
| ; X86-NEXT: xorl %eax, %eax |
| ; X86-NEXT: cmpl 4(%ecx), %edx |
| ; X86-NEXT: je .LBB12_3 |
| ; X86-NEXT: .LBB12_1: # %res_block |
| ; X86-NEXT: xorl %eax, %eax |
| ; X86-NEXT: incl %eax |
| ; X86-NEXT: .LBB12_3: # %endblock |
| ; X86-NEXT: testl %eax, %eax |
| ; X86-NEXT: sete %al |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: length8_eq: |
| ; X64: # BB#0: |
| ; X64-NEXT: movq (%rdi), %rax |
| ; X64-NEXT: cmpq (%rsi), %rax |
| ; X64-NEXT: sete %al |
| ; X64-NEXT: retq |
| %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 8) nounwind |
| %c = icmp eq i32 %m, 0 |
| ret i1 %c |
| } |
| |
| define i1 @length8_eq_const(i8* %X) nounwind optsize { |
| ; X86-LABEL: length8_eq_const: |
| ; X86: # BB#0: # %loadbb |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: cmpl $858927408, (%ecx) # imm = 0x33323130 |
| ; X86-NEXT: jne .LBB13_1 |
| ; X86-NEXT: # BB#2: # %loadbb1 |
| ; X86-NEXT: xorl %eax, %eax |
| ; X86-NEXT: cmpl $926299444, 4(%ecx) # imm = 0x37363534 |
| ; X86-NEXT: je .LBB13_3 |
| ; X86-NEXT: .LBB13_1: # %res_block |
| ; X86-NEXT: xorl %eax, %eax |
| ; X86-NEXT: incl %eax |
| ; X86-NEXT: .LBB13_3: # %endblock |
| ; X86-NEXT: testl %eax, %eax |
| ; X86-NEXT: setne %al |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: length8_eq_const: |
| ; X64: # BB#0: |
| ; X64-NEXT: movabsq $3978425819141910832, %rax # imm = 0x3736353433323130 |
| ; X64-NEXT: cmpq %rax, (%rdi) |
| ; X64-NEXT: setne %al |
| ; X64-NEXT: retq |
| %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i64 8) nounwind |
| %c = icmp ne i32 %m, 0 |
| ret i1 %c |
| } |
| |
| define i1 @length12_eq(i8* %X, i8* %Y) nounwind optsize { |
| ; X86-LABEL: length12_eq: |
| ; X86: # BB#0: |
| ; X86-NEXT: pushl $0 |
| ; X86-NEXT: pushl $12 |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: calll memcmp |
| ; X86-NEXT: addl $16, %esp |
| ; X86-NEXT: testl %eax, %eax |
| ; X86-NEXT: setne %al |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: length12_eq: |
| ; X64: # BB#0: # %loadbb |
| ; X64-NEXT: movq (%rdi), %rax |
| ; X64-NEXT: cmpq (%rsi), %rax |
| ; X64-NEXT: jne .LBB14_1 |
| ; X64-NEXT: # BB#2: # %loadbb1 |
| ; X64-NEXT: movl 8(%rdi), %ecx |
| ; X64-NEXT: xorl %eax, %eax |
| ; X64-NEXT: cmpl 8(%rsi), %ecx |
| ; X64-NEXT: je .LBB14_3 |
| ; X64-NEXT: .LBB14_1: # %res_block |
| ; X64-NEXT: movl $1, %eax |
| ; X64-NEXT: .LBB14_3: # %endblock |
| ; X64-NEXT: testl %eax, %eax |
| ; X64-NEXT: setne %al |
| ; X64-NEXT: retq |
| %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 12) nounwind |
| %c = icmp ne i32 %m, 0 |
| ret i1 %c |
| } |
| |
| define i32 @length12(i8* %X, i8* %Y) nounwind optsize { |
| ; X86-LABEL: length12: |
| ; X86: # BB#0: |
| ; X86-NEXT: pushl $0 |
| ; X86-NEXT: pushl $12 |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: calll memcmp |
| ; X86-NEXT: addl $16, %esp |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: length12: |
| ; X64: # BB#0: # %loadbb |
| ; X64-NEXT: movq (%rdi), %rcx |
| ; X64-NEXT: movq (%rsi), %rdx |
| ; X64-NEXT: bswapq %rcx |
| ; X64-NEXT: bswapq %rdx |
| ; X64-NEXT: cmpq %rdx, %rcx |
| ; X64-NEXT: jne .LBB15_1 |
| ; X64-NEXT: # BB#2: # %loadbb1 |
| ; X64-NEXT: movl 8(%rdi), %ecx |
| ; X64-NEXT: movl 8(%rsi), %edx |
| ; X64-NEXT: bswapl %ecx |
| ; X64-NEXT: bswapl %edx |
| ; X64-NEXT: xorl %eax, %eax |
| ; X64-NEXT: cmpq %rdx, %rcx |
| ; X64-NEXT: jne .LBB15_1 |
| ; X64-NEXT: # BB#3: # %endblock |
| ; X64-NEXT: retq |
| ; X64-NEXT: .LBB15_1: # %res_block |
| ; X64-NEXT: cmpq %rdx, %rcx |
| ; X64-NEXT: movl $-1, %ecx |
| ; X64-NEXT: movl $1, %eax |
| ; X64-NEXT: cmovbl %ecx, %eax |
| ; X64-NEXT: retq |
| %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 12) nounwind |
| ret i32 %m |
| } |
| |
| ; PR33329 - https://bugs.llvm.org/show_bug.cgi?id=33329 |
| |
| define i32 @length16(i8* %X, i8* %Y) nounwind optsize { |
| ; X86-LABEL: length16: |
| ; X86: # BB#0: |
| ; X86-NEXT: pushl $0 |
| ; X86-NEXT: pushl $16 |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: calll memcmp |
| ; X86-NEXT: addl $16, %esp |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: length16: |
| ; X64: # BB#0: # %loadbb |
| ; X64-NEXT: movq (%rdi), %rcx |
| ; X64-NEXT: movq (%rsi), %rdx |
| ; X64-NEXT: bswapq %rcx |
| ; X64-NEXT: bswapq %rdx |
| ; X64-NEXT: cmpq %rdx, %rcx |
| ; X64-NEXT: jne .LBB16_1 |
| ; X64-NEXT: # BB#2: # %loadbb1 |
| ; X64-NEXT: movq 8(%rdi), %rcx |
| ; X64-NEXT: movq 8(%rsi), %rdx |
| ; X64-NEXT: bswapq %rcx |
| ; X64-NEXT: bswapq %rdx |
| ; X64-NEXT: xorl %eax, %eax |
| ; X64-NEXT: cmpq %rdx, %rcx |
| ; X64-NEXT: jne .LBB16_1 |
| ; X64-NEXT: # BB#3: # %endblock |
| ; X64-NEXT: retq |
| ; X64-NEXT: .LBB16_1: # %res_block |
| ; X64-NEXT: cmpq %rdx, %rcx |
| ; X64-NEXT: movl $-1, %ecx |
| ; X64-NEXT: movl $1, %eax |
| ; X64-NEXT: cmovbl %ecx, %eax |
| ; X64-NEXT: retq |
| %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 16) nounwind |
| ret i32 %m |
| } |
| |
| define i1 @length16_eq(i8* %x, i8* %y) nounwind optsize { |
| ; X86-NOSSE-LABEL: length16_eq: |
| ; X86-NOSSE: # BB#0: |
| ; X86-NOSSE-NEXT: pushl $0 |
| ; X86-NOSSE-NEXT: pushl $16 |
| ; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NOSSE-NEXT: calll memcmp |
| ; X86-NOSSE-NEXT: addl $16, %esp |
| ; X86-NOSSE-NEXT: testl %eax, %eax |
| ; X86-NOSSE-NEXT: setne %al |
| ; X86-NOSSE-NEXT: retl |
| ; |
| ; X86-SSE2-LABEL: length16_eq: |
| ; X86-SSE2: # BB#0: |
| ; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-SSE2-NEXT: movdqu (%ecx), %xmm0 |
| ; X86-SSE2-NEXT: movdqu (%eax), %xmm1 |
| ; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm1 |
| ; X86-SSE2-NEXT: pmovmskb %xmm1, %eax |
| ; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF |
| ; X86-SSE2-NEXT: setne %al |
| ; X86-SSE2-NEXT: retl |
| ; |
| ; X64-LABEL: length16_eq: |
| ; X64: # BB#0: # %loadbb |
| ; X64-NEXT: movq (%rdi), %rax |
| ; X64-NEXT: cmpq (%rsi), %rax |
| ; X64-NEXT: jne .LBB17_1 |
| ; X64-NEXT: # BB#2: # %loadbb1 |
| ; X64-NEXT: movq 8(%rdi), %rcx |
| ; X64-NEXT: xorl %eax, %eax |
| ; X64-NEXT: cmpq 8(%rsi), %rcx |
| ; X64-NEXT: je .LBB17_3 |
| ; X64-NEXT: .LBB17_1: # %res_block |
| ; X64-NEXT: movl $1, %eax |
| ; X64-NEXT: .LBB17_3: # %endblock |
| ; X64-NEXT: testl %eax, %eax |
| ; X64-NEXT: setne %al |
| ; X64-NEXT: retq |
| %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 16) nounwind |
| %cmp = icmp ne i32 %call, 0 |
| ret i1 %cmp |
| } |
| |
| define i1 @length16_eq_const(i8* %X) nounwind optsize { |
| ; X86-NOSSE-LABEL: length16_eq_const: |
| ; X86-NOSSE: # BB#0: |
| ; X86-NOSSE-NEXT: pushl $0 |
| ; X86-NOSSE-NEXT: pushl $16 |
| ; X86-NOSSE-NEXT: pushl $.L.str |
| ; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NOSSE-NEXT: calll memcmp |
| ; X86-NOSSE-NEXT: addl $16, %esp |
| ; X86-NOSSE-NEXT: testl %eax, %eax |
| ; X86-NOSSE-NEXT: sete %al |
| ; X86-NOSSE-NEXT: retl |
| ; |
| ; X86-SSE2-LABEL: length16_eq_const: |
| ; X86-SSE2: # BB#0: |
| ; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-SSE2-NEXT: movdqu (%eax), %xmm0 |
| ; X86-SSE2-NEXT: pcmpeqb {{\.LCPI.*}}, %xmm0 |
| ; X86-SSE2-NEXT: pmovmskb %xmm0, %eax |
| ; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF |
| ; X86-SSE2-NEXT: sete %al |
| ; X86-SSE2-NEXT: retl |
| ; |
| ; X64-LABEL: length16_eq_const: |
| ; X64: # BB#0: # %loadbb |
| ; X64-NEXT: movabsq $3978425819141910832, %rax # imm = 0x3736353433323130 |
| ; X64-NEXT: cmpq %rax, (%rdi) |
| ; X64-NEXT: jne .LBB18_1 |
| ; X64-NEXT: # BB#2: # %loadbb1 |
| ; X64-NEXT: xorl %eax, %eax |
| ; X64-NEXT: movabsq $3833745473465760056, %rcx # imm = 0x3534333231303938 |
| ; X64-NEXT: cmpq %rcx, 8(%rdi) |
| ; X64-NEXT: je .LBB18_3 |
| ; X64-NEXT: .LBB18_1: # %res_block |
| ; X64-NEXT: movl $1, %eax |
| ; X64-NEXT: .LBB18_3: # %endblock |
| ; X64-NEXT: testl %eax, %eax |
| ; X64-NEXT: sete %al |
| ; X64-NEXT: retq |
| %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i64 16) nounwind |
| %c = icmp eq i32 %m, 0 |
| ret i1 %c |
| } |
| |
| ; PR33914 - https://bugs.llvm.org/show_bug.cgi?id=33914 |
| |
| define i32 @length24(i8* %X, i8* %Y) nounwind optsize { |
| ; X86-LABEL: length24: |
| ; X86: # BB#0: |
| ; X86-NEXT: pushl $0 |
| ; X86-NEXT: pushl $24 |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: calll memcmp |
| ; X86-NEXT: addl $16, %esp |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: length24: |
| ; X64: # BB#0: |
| ; X64-NEXT: movl $24, %edx |
| ; X64-NEXT: jmp memcmp # TAILCALL |
| %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 24) nounwind |
| ret i32 %m |
| } |
| |
| define i1 @length24_eq(i8* %x, i8* %y) nounwind optsize { |
| ; X86-LABEL: length24_eq: |
| ; X86: # BB#0: |
| ; X86-NEXT: pushl $0 |
| ; X86-NEXT: pushl $24 |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: calll memcmp |
| ; X86-NEXT: addl $16, %esp |
| ; X86-NEXT: testl %eax, %eax |
| ; X86-NEXT: sete %al |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: length24_eq: |
| ; X64: # BB#0: |
| ; X64-NEXT: pushq %rax |
| ; X64-NEXT: movl $24, %edx |
| ; X64-NEXT: callq memcmp |
| ; X64-NEXT: testl %eax, %eax |
| ; X64-NEXT: sete %al |
| ; X64-NEXT: popq %rcx |
| ; X64-NEXT: retq |
| %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 24) nounwind |
| %cmp = icmp eq i32 %call, 0 |
| ret i1 %cmp |
| } |
| |
| define i1 @length24_eq_const(i8* %X) nounwind optsize { |
| ; X86-LABEL: length24_eq_const: |
| ; X86: # BB#0: |
| ; X86-NEXT: pushl $0 |
| ; X86-NEXT: pushl $24 |
| ; X86-NEXT: pushl $.L.str |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: calll memcmp |
| ; X86-NEXT: addl $16, %esp |
| ; X86-NEXT: testl %eax, %eax |
| ; X86-NEXT: setne %al |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: length24_eq_const: |
| ; X64: # BB#0: |
| ; X64-NEXT: pushq %rax |
| ; X64-NEXT: movl $.L.str, %esi |
| ; X64-NEXT: movl $24, %edx |
| ; X64-NEXT: callq memcmp |
| ; X64-NEXT: testl %eax, %eax |
| ; X64-NEXT: setne %al |
| ; X64-NEXT: popq %rcx |
| ; X64-NEXT: retq |
| %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i64 24) nounwind |
| %c = icmp ne i32 %m, 0 |
| ret i1 %c |
| } |
| |
| define i32 @length32(i8* %X, i8* %Y) nounwind optsize { |
| ; X86-LABEL: length32: |
| ; X86: # BB#0: |
| ; X86-NEXT: pushl $0 |
| ; X86-NEXT: pushl $32 |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: calll memcmp |
| ; X86-NEXT: addl $16, %esp |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: length32: |
| ; X64: # BB#0: |
| ; X64-NEXT: movl $32, %edx |
| ; X64-NEXT: jmp memcmp # TAILCALL |
| %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 32) nounwind |
| ret i32 %m |
| } |
| |
| ; PR33325 - https://bugs.llvm.org/show_bug.cgi?id=33325 |
| |
| define i1 @length32_eq(i8* %x, i8* %y) nounwind optsize { |
| ; X86-LABEL: length32_eq: |
| ; X86: # BB#0: |
| ; X86-NEXT: pushl $0 |
| ; X86-NEXT: pushl $32 |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: calll memcmp |
| ; X86-NEXT: addl $16, %esp |
| ; X86-NEXT: testl %eax, %eax |
| ; X86-NEXT: sete %al |
| ; X86-NEXT: retl |
| ; |
| ; X64-SSE2-LABEL: length32_eq: |
| ; X64-SSE2: # BB#0: |
| ; X64-SSE2-NEXT: pushq %rax |
| ; X64-SSE2-NEXT: movl $32, %edx |
| ; X64-SSE2-NEXT: callq memcmp |
| ; X64-SSE2-NEXT: testl %eax, %eax |
| ; X64-SSE2-NEXT: sete %al |
| ; X64-SSE2-NEXT: popq %rcx |
| ; X64-SSE2-NEXT: retq |
| ; |
| ; X64-AVX2-LABEL: length32_eq: |
| ; X64-AVX2: # BB#0: |
| ; X64-AVX2-NEXT: vmovdqu (%rdi), %ymm0 |
| ; X64-AVX2-NEXT: vpcmpeqb (%rsi), %ymm0, %ymm0 |
| ; X64-AVX2-NEXT: vpmovmskb %ymm0, %eax |
| ; X64-AVX2-NEXT: cmpl $-1, %eax |
| ; X64-AVX2-NEXT: sete %al |
| ; X64-AVX2-NEXT: vzeroupper |
| ; X64-AVX2-NEXT: retq |
| %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 32) nounwind |
| %cmp = icmp eq i32 %call, 0 |
| ret i1 %cmp |
| } |
| |
| define i1 @length32_eq_const(i8* %X) nounwind optsize { |
| ; X86-LABEL: length32_eq_const: |
| ; X86: # BB#0: |
| ; X86-NEXT: pushl $0 |
| ; X86-NEXT: pushl $32 |
| ; X86-NEXT: pushl $.L.str |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: calll memcmp |
| ; X86-NEXT: addl $16, %esp |
| ; X86-NEXT: testl %eax, %eax |
| ; X86-NEXT: setne %al |
| ; X86-NEXT: retl |
| ; |
| ; X64-SSE2-LABEL: length32_eq_const: |
| ; X64-SSE2: # BB#0: |
| ; X64-SSE2-NEXT: pushq %rax |
| ; X64-SSE2-NEXT: movl $.L.str, %esi |
| ; X64-SSE2-NEXT: movl $32, %edx |
| ; X64-SSE2-NEXT: callq memcmp |
| ; X64-SSE2-NEXT: testl %eax, %eax |
| ; X64-SSE2-NEXT: setne %al |
| ; X64-SSE2-NEXT: popq %rcx |
| ; X64-SSE2-NEXT: retq |
| ; |
| ; X64-AVX2-LABEL: length32_eq_const: |
| ; X64-AVX2: # BB#0: |
| ; X64-AVX2-NEXT: vmovdqu (%rdi), %ymm0 |
| ; X64-AVX2-NEXT: vpcmpeqb {{.*}}(%rip), %ymm0, %ymm0 |
| ; X64-AVX2-NEXT: vpmovmskb %ymm0, %eax |
| ; X64-AVX2-NEXT: cmpl $-1, %eax |
| ; X64-AVX2-NEXT: setne %al |
| ; X64-AVX2-NEXT: vzeroupper |
| ; X64-AVX2-NEXT: retq |
| %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i64 32) nounwind |
| %c = icmp ne i32 %m, 0 |
| ret i1 %c |
| } |
| |
| define i32 @length64(i8* %X, i8* %Y) nounwind optsize { |
| ; X86-LABEL: length64: |
| ; X86: # BB#0: |
| ; X86-NEXT: pushl $0 |
| ; X86-NEXT: pushl $64 |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: calll memcmp |
| ; X86-NEXT: addl $16, %esp |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: length64: |
| ; X64: # BB#0: |
| ; X64-NEXT: movl $64, %edx |
| ; X64-NEXT: jmp memcmp # TAILCALL |
| %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 64) nounwind |
| ret i32 %m |
| } |
| |
| define i1 @length64_eq(i8* %x, i8* %y) nounwind optsize { |
| ; X86-LABEL: length64_eq: |
| ; X86: # BB#0: |
| ; X86-NEXT: pushl $0 |
| ; X86-NEXT: pushl $64 |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: calll memcmp |
| ; X86-NEXT: addl $16, %esp |
| ; X86-NEXT: testl %eax, %eax |
| ; X86-NEXT: setne %al |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: length64_eq: |
| ; X64: # BB#0: |
| ; X64-NEXT: pushq %rax |
| ; X64-NEXT: movl $64, %edx |
| ; X64-NEXT: callq memcmp |
| ; X64-NEXT: testl %eax, %eax |
| ; X64-NEXT: setne %al |
| ; X64-NEXT: popq %rcx |
| ; X64-NEXT: retq |
| %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 64) nounwind |
| %cmp = icmp ne i32 %call, 0 |
| ret i1 %cmp |
| } |
| |
| define i1 @length64_eq_const(i8* %X) nounwind optsize { |
| ; X86-LABEL: length64_eq_const: |
| ; X86: # BB#0: |
| ; X86-NEXT: pushl $0 |
| ; X86-NEXT: pushl $64 |
| ; X86-NEXT: pushl $.L.str |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: calll memcmp |
| ; X86-NEXT: addl $16, %esp |
| ; X86-NEXT: testl %eax, %eax |
| ; X86-NEXT: sete %al |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: length64_eq_const: |
| ; X64: # BB#0: |
| ; X64-NEXT: pushq %rax |
| ; X64-NEXT: movl $.L.str, %esi |
| ; X64-NEXT: movl $64, %edx |
| ; X64-NEXT: callq memcmp |
| ; X64-NEXT: testl %eax, %eax |
| ; X64-NEXT: sete %al |
| ; X64-NEXT: popq %rcx |
| ; X64-NEXT: retq |
| %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i64 64) nounwind |
| %c = icmp eq i32 %m, 0 |
| ret i1 %c |
| } |
| |