; 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}