| ; 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 |
| |
| ; This tests codegen time inlining/optimization of memcmp |
| ; rdar://6480398 |
| |
| @.str = private constant [65 x i8] c"0123456789012345678901234567890123456789012345678901234567890123\00", align 1 |
| |
| declare dso_local i32 @memcmp(ptr, ptr, i32) |
| declare dso_local i32 @bcmp(ptr, ptr, i32) |
| |
| define i32 @length2(ptr %X, ptr %Y) nounwind !prof !14 { |
| ; X86-LABEL: length2: |
| ; X86: # %bb.0: |
| ; 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: movzwl %cx, %eax |
| ; X86-NEXT: movzwl %dx, %ecx |
| ; X86-NEXT: subl %ecx, %eax |
| ; X86-NEXT: retl |
| %m = tail call i32 @memcmp(ptr %X, ptr %Y, i32 2) nounwind |
| ret i32 %m |
| } |
| |
| define i1 @length2_eq(ptr %X, ptr %Y) nounwind !prof !14 { |
| ; 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 |
| %m = tail call i32 @memcmp(ptr %X, ptr %Y, i32 2) nounwind |
| %c = icmp eq i32 %m, 0 |
| ret i1 %c |
| } |
| |
| define i1 @length2_eq_const(ptr %X) nounwind !prof !14 { |
| ; 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 |
| %m = tail call i32 @memcmp(ptr %X, ptr getelementptr inbounds ([65 x i8], ptr @.str, i32 0, i32 1), i32 2) nounwind |
| %c = icmp ne i32 %m, 0 |
| ret i1 %c |
| } |
| |
| define i1 @length2_eq_nobuiltin_attr(ptr %X, ptr %Y) nounwind !prof !14 { |
| ; X86-LABEL: length2_eq_nobuiltin_attr: |
| ; X86: # %bb.0: |
| ; X86-NEXT: pushl $2 |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: calll memcmp |
| ; X86-NEXT: addl $12, %esp |
| ; X86-NEXT: testl %eax, %eax |
| ; X86-NEXT: sete %al |
| ; X86-NEXT: retl |
| %m = tail call i32 @memcmp(ptr %X, ptr %Y, i32 2) nounwind nobuiltin |
| %c = icmp eq i32 %m, 0 |
| ret i1 %c |
| } |
| |
| define i32 @length3(ptr %X, ptr %Y) nounwind !prof !14 { |
| ; X86-LABEL: length3: |
| ; X86: # %bb.0: |
| ; 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: cmpw %si, %dx |
| ; X86-NEXT: jne .LBB4_3 |
| ; X86-NEXT: # %bb.1: # %loadbb1 |
| ; X86-NEXT: movzbl 2(%eax), %eax |
| ; X86-NEXT: movzbl 2(%ecx), %ecx |
| ; X86-NEXT: subl %ecx, %eax |
| ; X86-NEXT: jmp .LBB4_2 |
| ; X86-NEXT: .LBB4_3: # %res_block |
| ; X86-NEXT: setae %al |
| ; X86-NEXT: movzbl %al, %eax |
| ; X86-NEXT: leal -1(%eax,%eax), %eax |
| ; X86-NEXT: .LBB4_2: # %endblock |
| ; X86-NEXT: popl %esi |
| ; X86-NEXT: retl |
| %m = tail call i32 @memcmp(ptr %X, ptr %Y, i32 3) nounwind |
| ret i32 %m |
| } |
| |
| define i1 @length3_eq(ptr %X, ptr %Y) nounwind !prof !14 { |
| ; X86-LABEL: length3_eq: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movzwl (%ecx), %edx |
| ; X86-NEXT: xorw (%eax), %dx |
| ; X86-NEXT: movb 2(%ecx), %cl |
| ; X86-NEXT: xorb 2(%eax), %cl |
| ; X86-NEXT: movzbl %cl, %eax |
| ; X86-NEXT: orw %dx, %ax |
| ; X86-NEXT: setne %al |
| ; X86-NEXT: retl |
| %m = tail call i32 @memcmp(ptr %X, ptr %Y, i32 3) nounwind |
| %c = icmp ne i32 %m, 0 |
| ret i1 %c |
| } |
| |
| define i32 @length4(ptr %X, ptr %Y) nounwind !prof !14 { |
| ; X86-LABEL: length4: |
| ; X86: # %bb.0: |
| ; 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 %eax, %eax |
| ; X86-NEXT: cmpl %edx, %ecx |
| ; X86-NEXT: seta %al |
| ; X86-NEXT: sbbl $0, %eax |
| ; X86-NEXT: retl |
| %m = tail call i32 @memcmp(ptr %X, ptr %Y, i32 4) nounwind |
| ret i32 %m |
| } |
| |
| define i1 @length4_eq(ptr %X, ptr %Y) nounwind !prof !14 { |
| ; 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 |
| %m = tail call i32 @memcmp(ptr %X, ptr %Y, i32 4) nounwind |
| %c = icmp ne i32 %m, 0 |
| ret i1 %c |
| } |
| |
| define i1 @length4_eq_const(ptr %X) nounwind !prof !14 { |
| ; 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 |
| %m = tail call i32 @memcmp(ptr %X, ptr getelementptr inbounds ([65 x i8], ptr @.str, i32 0, i32 1), i32 4) nounwind |
| %c = icmp eq i32 %m, 0 |
| ret i1 %c |
| } |
| |
| define i32 @length5(ptr %X, ptr %Y) nounwind !prof !14 { |
| ; X86-LABEL: length5: |
| ; X86: # %bb.0: |
| ; 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_3 |
| ; X86-NEXT: # %bb.1: # %loadbb1 |
| ; X86-NEXT: movzbl 4(%eax), %eax |
| ; X86-NEXT: movzbl 4(%ecx), %ecx |
| ; X86-NEXT: subl %ecx, %eax |
| ; X86-NEXT: jmp .LBB9_2 |
| ; X86-NEXT: .LBB9_3: # %res_block |
| ; X86-NEXT: setae %al |
| ; X86-NEXT: movzbl %al, %eax |
| ; X86-NEXT: leal -1(%eax,%eax), %eax |
| ; X86-NEXT: .LBB9_2: # %endblock |
| ; X86-NEXT: popl %esi |
| ; X86-NEXT: retl |
| %m = tail call i32 @memcmp(ptr %X, ptr %Y, i32 5) nounwind |
| ret i32 %m |
| } |
| |
| define i1 @length5_eq(ptr %X, ptr %Y) nounwind !prof !14 { |
| ; X86-LABEL: length5_eq: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movl (%ecx), %edx |
| ; X86-NEXT: xorl (%eax), %edx |
| ; X86-NEXT: movb 4(%ecx), %cl |
| ; X86-NEXT: xorb 4(%eax), %cl |
| ; X86-NEXT: movzbl %cl, %eax |
| ; X86-NEXT: orl %edx, %eax |
| ; X86-NEXT: setne %al |
| ; X86-NEXT: retl |
| %m = tail call i32 @memcmp(ptr %X, ptr %Y, i32 5) nounwind |
| %c = icmp ne i32 %m, 0 |
| ret i1 %c |
| } |
| |
| define i32 @length8(ptr %X, ptr %Y) nounwind !prof !14 { |
| ; X86-LABEL: length8: |
| ; X86: # %bb.0: |
| ; 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_2 |
| ; X86-NEXT: # %bb.1: # %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_2: # %res_block |
| ; X86-NEXT: xorl %eax, %eax |
| ; X86-NEXT: cmpl %edx, %ecx |
| ; X86-NEXT: setae %al |
| ; X86-NEXT: leal -1(%eax,%eax), %eax |
| ; X86-NEXT: .LBB11_3: # %endblock |
| ; X86-NEXT: popl %esi |
| ; X86-NEXT: retl |
| %m = tail call i32 @memcmp(ptr %X, ptr %Y, i32 8) nounwind |
| ret i32 %m |
| } |
| |
| define i1 @length8_eq(ptr %X, ptr %Y) nounwind !prof !14 { |
| ; X86-LABEL: length8_eq: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movl (%ecx), %edx |
| ; X86-NEXT: movl 4(%ecx), %ecx |
| ; X86-NEXT: xorl (%eax), %edx |
| ; X86-NEXT: xorl 4(%eax), %ecx |
| ; X86-NEXT: orl %edx, %ecx |
| ; X86-NEXT: sete %al |
| ; X86-NEXT: retl |
| %m = tail call i32 @memcmp(ptr %X, ptr %Y, i32 8) nounwind |
| %c = icmp eq i32 %m, 0 |
| ret i1 %c |
| } |
| |
| define i1 @length8_eq_const(ptr %X) nounwind !prof !14 { |
| ; X86-LABEL: length8_eq_const: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movl $858927408, %ecx # imm = 0x33323130 |
| ; X86-NEXT: xorl (%eax), %ecx |
| ; X86-NEXT: movl $926299444, %edx # imm = 0x37363534 |
| ; X86-NEXT: xorl 4(%eax), %edx |
| ; X86-NEXT: orl %ecx, %edx |
| ; X86-NEXT: setne %al |
| ; X86-NEXT: retl |
| %m = tail call i32 @memcmp(ptr %X, ptr @.str, i32 8) nounwind |
| %c = icmp ne i32 %m, 0 |
| ret i1 %c |
| } |
| |
| define i1 @length12_eq(ptr %X, ptr %Y) nounwind !prof !14 { |
| ; X86-LABEL: length12_eq: |
| ; X86: # %bb.0: |
| ; X86-NEXT: pushl $12 |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: calll memcmp |
| ; X86-NEXT: addl $12, %esp |
| ; X86-NEXT: testl %eax, %eax |
| ; X86-NEXT: setne %al |
| ; X86-NEXT: retl |
| %m = tail call i32 @memcmp(ptr %X, ptr %Y, i32 12) nounwind |
| %c = icmp ne i32 %m, 0 |
| ret i1 %c |
| } |
| |
| define i32 @length12(ptr %X, ptr %Y) nounwind !prof !14 { |
| ; X86-LABEL: length12: |
| ; X86: # %bb.0: |
| ; X86-NEXT: pushl $12 |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: calll memcmp |
| ; X86-NEXT: addl $12, %esp |
| ; X86-NEXT: retl |
| %m = tail call i32 @memcmp(ptr %X, ptr %Y, i32 12) nounwind |
| ret i32 %m |
| } |
| |
| ; PR33329 - https://bugs.llvm.org/show_bug.cgi?id=33329 |
| |
| define i32 @length16(ptr %X, ptr %Y) nounwind !prof !14 { |
| ; X86-LABEL: length16: |
| ; X86: # %bb.0: |
| ; X86-NEXT: pushl $16 |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: calll memcmp |
| ; X86-NEXT: addl $12, %esp |
| ; X86-NEXT: retl |
| %m = tail call i32 @memcmp(ptr %X, ptr %Y, i32 16) nounwind |
| ret i32 %m |
| } |
| |
| define i1 @length16_eq(ptr %x, ptr %y) nounwind !prof !14 { |
| ; X86-NOSSE-LABEL: length16_eq: |
| ; X86-NOSSE: # %bb.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 $12, %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 |
| %call = tail call i32 @memcmp(ptr %x, ptr %y, i32 16) nounwind |
| %cmp = icmp ne i32 %call, 0 |
| ret i1 %cmp |
| } |
| |
| define i1 @length16_eq_const(ptr %X) nounwind !prof !14 { |
| ; X86-NOSSE-LABEL: length16_eq_const: |
| ; X86-NOSSE: # %bb.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 $12, %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[0-9]+_[0-9]+}}, %xmm0 |
| ; X86-SSE2-NEXT: pmovmskb %xmm0, %eax |
| ; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF |
| ; X86-SSE2-NEXT: sete %al |
| ; X86-SSE2-NEXT: retl |
| %m = tail call i32 @memcmp(ptr %X, ptr @.str, i32 16) nounwind |
| %c = icmp eq i32 %m, 0 |
| ret i1 %c |
| } |
| |
| ; PR33914 - https://bugs.llvm.org/show_bug.cgi?id=33914 |
| |
| define i32 @length24(ptr %X, ptr %Y) nounwind !prof !14 { |
| ; X86-LABEL: length24: |
| ; X86: # %bb.0: |
| ; X86-NEXT: pushl $24 |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: calll memcmp |
| ; X86-NEXT: addl $12, %esp |
| ; X86-NEXT: retl |
| %m = tail call i32 @memcmp(ptr %X, ptr %Y, i32 24) nounwind |
| ret i32 %m |
| } |
| |
| define i1 @length24_eq(ptr %x, ptr %y) nounwind !prof !14 { |
| ; X86-NOSSE-LABEL: length24_eq: |
| ; X86-NOSSE: # %bb.0: |
| ; X86-NOSSE-NEXT: pushl $24 |
| ; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NOSSE-NEXT: calll memcmp |
| ; X86-NOSSE-NEXT: addl $12, %esp |
| ; X86-NOSSE-NEXT: testl %eax, %eax |
| ; X86-NOSSE-NEXT: sete %al |
| ; X86-NOSSE-NEXT: retl |
| ; |
| ; X86-SSE2-LABEL: length24_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 8(%ecx), %xmm1 |
| ; X86-SSE2-NEXT: movdqu (%eax), %xmm2 |
| ; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2 |
| ; X86-SSE2-NEXT: movdqu 8(%eax), %xmm0 |
| ; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0 |
| ; X86-SSE2-NEXT: pand %xmm2, %xmm0 |
| ; X86-SSE2-NEXT: pmovmskb %xmm0, %eax |
| ; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF |
| ; X86-SSE2-NEXT: sete %al |
| ; X86-SSE2-NEXT: retl |
| %call = tail call i32 @memcmp(ptr %x, ptr %y, i32 24) nounwind |
| %cmp = icmp eq i32 %call, 0 |
| ret i1 %cmp |
| } |
| |
| define i1 @length24_eq_const(ptr %X) nounwind !prof !14 { |
| ; X86-NOSSE-LABEL: length24_eq_const: |
| ; X86-NOSSE: # %bb.0: |
| ; X86-NOSSE-NEXT: pushl $24 |
| ; X86-NOSSE-NEXT: pushl $.L.str |
| ; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NOSSE-NEXT: calll memcmp |
| ; X86-NOSSE-NEXT: addl $12, %esp |
| ; X86-NOSSE-NEXT: testl %eax, %eax |
| ; X86-NOSSE-NEXT: setne %al |
| ; X86-NOSSE-NEXT: retl |
| ; |
| ; X86-SSE2-LABEL: length24_eq_const: |
| ; X86-SSE2: # %bb.0: |
| ; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-SSE2-NEXT: movdqu (%eax), %xmm0 |
| ; X86-SSE2-NEXT: movdqu 8(%eax), %xmm1 |
| ; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1 |
| ; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0 |
| ; X86-SSE2-NEXT: pand %xmm1, %xmm0 |
| ; X86-SSE2-NEXT: pmovmskb %xmm0, %eax |
| ; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF |
| ; X86-SSE2-NEXT: setne %al |
| ; X86-SSE2-NEXT: retl |
| %m = tail call i32 @memcmp(ptr %X, ptr @.str, i32 24) nounwind |
| %c = icmp ne i32 %m, 0 |
| ret i1 %c |
| } |
| |
| define i32 @length32(ptr %X, ptr %Y) nounwind !prof !14 { |
| ; X86-LABEL: length32: |
| ; X86: # %bb.0: |
| ; X86-NEXT: pushl $32 |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: calll memcmp |
| ; X86-NEXT: addl $12, %esp |
| ; X86-NEXT: retl |
| %m = tail call i32 @memcmp(ptr %X, ptr %Y, i32 32) nounwind |
| ret i32 %m |
| } |
| |
| ; PR33325 - https://bugs.llvm.org/show_bug.cgi?id=33325 |
| |
| define i1 @length32_eq(ptr %x, ptr %y) nounwind !prof !14 { |
| ; X86-NOSSE-LABEL: length32_eq: |
| ; X86-NOSSE: # %bb.0: |
| ; X86-NOSSE-NEXT: pushl $32 |
| ; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NOSSE-NEXT: calll memcmp |
| ; X86-NOSSE-NEXT: addl $12, %esp |
| ; X86-NOSSE-NEXT: testl %eax, %eax |
| ; X86-NOSSE-NEXT: sete %al |
| ; X86-NOSSE-NEXT: retl |
| ; |
| ; X86-SSE2-LABEL: length32_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 16(%ecx), %xmm1 |
| ; X86-SSE2-NEXT: movdqu (%eax), %xmm2 |
| ; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2 |
| ; X86-SSE2-NEXT: movdqu 16(%eax), %xmm0 |
| ; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0 |
| ; X86-SSE2-NEXT: pand %xmm2, %xmm0 |
| ; X86-SSE2-NEXT: pmovmskb %xmm0, %eax |
| ; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF |
| ; X86-SSE2-NEXT: sete %al |
| ; X86-SSE2-NEXT: retl |
| %call = tail call i32 @memcmp(ptr %x, ptr %y, i32 32) nounwind |
| %cmp = icmp eq i32 %call, 0 |
| ret i1 %cmp |
| } |
| |
| define i1 @length32_eq_const(ptr %X) nounwind !prof !14 { |
| ; X86-NOSSE-LABEL: length32_eq_const: |
| ; X86-NOSSE: # %bb.0: |
| ; X86-NOSSE-NEXT: pushl $32 |
| ; X86-NOSSE-NEXT: pushl $.L.str |
| ; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NOSSE-NEXT: calll memcmp |
| ; X86-NOSSE-NEXT: addl $12, %esp |
| ; X86-NOSSE-NEXT: testl %eax, %eax |
| ; X86-NOSSE-NEXT: setne %al |
| ; X86-NOSSE-NEXT: retl |
| ; |
| ; X86-SSE2-LABEL: length32_eq_const: |
| ; X86-SSE2: # %bb.0: |
| ; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-SSE2-NEXT: movdqu (%eax), %xmm0 |
| ; X86-SSE2-NEXT: movdqu 16(%eax), %xmm1 |
| ; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1 |
| ; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0 |
| ; X86-SSE2-NEXT: pand %xmm1, %xmm0 |
| ; X86-SSE2-NEXT: pmovmskb %xmm0, %eax |
| ; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF |
| ; X86-SSE2-NEXT: setne %al |
| ; X86-SSE2-NEXT: retl |
| %m = tail call i32 @memcmp(ptr %X, ptr @.str, i32 32) nounwind |
| %c = icmp ne i32 %m, 0 |
| ret i1 %c |
| } |
| |
| define i32 @length64(ptr %X, ptr %Y) nounwind !prof !14 { |
| ; X86-LABEL: length64: |
| ; X86: # %bb.0: |
| ; X86-NEXT: pushl $64 |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: calll memcmp |
| ; X86-NEXT: addl $12, %esp |
| ; X86-NEXT: retl |
| %m = tail call i32 @memcmp(ptr %X, ptr %Y, i32 64) nounwind |
| ret i32 %m |
| } |
| |
| define i1 @length64_eq(ptr %x, ptr %y) nounwind !prof !14 { |
| ; X86-LABEL: length64_eq: |
| ; X86: # %bb.0: |
| ; X86-NEXT: pushl $64 |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: calll memcmp |
| ; X86-NEXT: addl $12, %esp |
| ; X86-NEXT: testl %eax, %eax |
| ; X86-NEXT: setne %al |
| ; X86-NEXT: retl |
| %call = tail call i32 @memcmp(ptr %x, ptr %y, i32 64) nounwind |
| %cmp = icmp ne i32 %call, 0 |
| ret i1 %cmp |
| } |
| |
| define i1 @length64_eq_const(ptr %X) nounwind !prof !14 { |
| ; X86-LABEL: length64_eq_const: |
| ; X86: # %bb.0: |
| ; X86-NEXT: pushl $64 |
| ; X86-NEXT: pushl $.L.str |
| ; X86-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X86-NEXT: calll memcmp |
| ; X86-NEXT: addl $12, %esp |
| ; X86-NEXT: testl %eax, %eax |
| ; X86-NEXT: sete %al |
| ; X86-NEXT: retl |
| %m = tail call i32 @memcmp(ptr %X, ptr @.str, i32 64) nounwind |
| %c = icmp eq i32 %m, 0 |
| ret i1 %c |
| } |
| |
| define i32 @bcmp_length2(ptr %X, ptr %Y) nounwind !prof !14 { |
| ; X86-LABEL: bcmp_length2: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movzwl (%eax), %edx |
| ; X86-NEXT: xorl %eax, %eax |
| ; X86-NEXT: cmpw (%ecx), %dx |
| ; X86-NEXT: setne %al |
| ; X86-NEXT: retl |
| %m = tail call i32 @bcmp(ptr %X, ptr %Y, i32 2) nounwind |
| ret i32 %m |
| } |
| |
| !llvm.module.flags = !{!0} |
| !0 = !{i32 1, !"ProfileSummary", !1} |
| !1 = !{!2, !3, !4, !5, !6, !7, !8, !9} |
| !2 = !{!"ProfileFormat", !"InstrProf"} |
| !3 = !{!"TotalCount", i32 10000} |
| !4 = !{!"MaxCount", i32 10} |
| !5 = !{!"MaxInternalCount", i32 1} |
| !6 = !{!"MaxFunctionCount", i32 1000} |
| !7 = !{!"NumCounts", i32 3} |
| !8 = !{!"NumFunctions", i32 3} |
| !9 = !{!"DetailedSummary", !10} |
| !10 = !{!11, !12, !13} |
| !11 = !{i32 10000, i32 100, i32 1} |
| !12 = !{i32 999000, i32 100, i32 1} |
| !13 = !{i32 999999, i32 1, i32 2} |
| !14 = !{!"function_entry_count", i32 0} |