; 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)
define i32 @length2(ptr %X, ptr %Y) nounwind minsize {
; X86-LABEL: length2:
; 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: 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 minsize {
; 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 minsize {
; X86-LABEL: length2_eq_const:
; X86: # %bb.0:
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: cmpw $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 minsize {
; 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 minsize {
; X86-LABEL: length3:
; X86: # %bb.0:
; X86-NEXT: pushl $3
; 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 3) nounwind
ret i32 %m
}
define i1 @length3_eq(ptr %X, ptr %Y) nounwind minsize {
; X86-LABEL: length3_eq:
; X86: # %bb.0:
; X86-NEXT: pushl $3
; 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 3) nounwind
%c = icmp ne i32 %m, 0
ret i1 %c
}
define i32 @length4(ptr %X, ptr %Y) nounwind minsize {
; X86-LABEL: length4:
; X86: # %bb.0:
; X86-NEXT: pushl $4
; 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 4) nounwind
ret i32 %m
}
define i1 @length4_eq(ptr %X, ptr %Y) nounwind minsize {
; 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 minsize {
; 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 minsize {
; X86-LABEL: length5:
; X86: # %bb.0:
; X86-NEXT: pushl $5
; 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 5) nounwind
ret i32 %m
}
define i1 @length5_eq(ptr %X, ptr %Y) nounwind minsize {
; X86-LABEL: length5_eq:
; X86: # %bb.0:
; X86-NEXT: pushl $5
; 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 5) nounwind
%c = icmp ne i32 %m, 0
ret i1 %c
}
define i32 @length8(ptr %X, ptr %Y) nounwind minsize {
; X86-LABEL: length8:
; X86: # %bb.0:
; X86-NEXT: pushl $8
; 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 8) nounwind
ret i32 %m
}
define i1 @length8_eq(ptr %X, ptr %Y) nounwind minsize {
; X86-LABEL: length8_eq:
; X86: # %bb.0:
; X86-NEXT: pushl $8
; 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 8) nounwind
%c = icmp eq i32 %m, 0
ret i1 %c
}
define i1 @length8_eq_const(ptr %X) nounwind minsize {
; X86-LABEL: length8_eq_const:
; X86: # %bb.0:
; X86-NEXT: pushl $8
; 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: 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 minsize {
; 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 minsize {
; 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 minsize {
; 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 minsize {
; 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 minsize {
; 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 minsize {
; 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 minsize {
; X86-LABEL: length24_eq:
; 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: testl %eax, %eax
; X86-NEXT: sete %al
; X86-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 minsize {
; X86-LABEL: length24_eq_const:
; X86: # %bb.0:
; X86-NEXT: pushl $24
; 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: setne %al
; X86-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 minsize {
; 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 minsize {
; X86-LABEL: length32_eq:
; 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: testl %eax, %eax
; X86-NEXT: sete %al
; X86-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 minsize {
; X86-LABEL: length32_eq_const:
; X86: # %bb.0:
; X86-NEXT: pushl $32
; 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: setne %al
; X86-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 minsize {
; 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 minsize {
; 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 minsize {
; 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
}