forked from OSchip/llvm-project
742 lines
21 KiB
LLVM
742 lines
21 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=cmov | FileCheck %s --check-prefix=X86 --check-prefix=X86-NOSSE
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; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X86 --check-prefix=X86-SSE2
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64 --check-prefix=X64-SSE2
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx2 | FileCheck %s --check-prefix=X64 --check-prefix=X64-AVX2
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; This tests codegen time inlining/optimization of memcmp
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; rdar://6480398
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@.str = private constant [65 x i8] c"0123456789012345678901234567890123456789012345678901234567890123\00", align 1
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declare i32 @memcmp(i8*, i8*, i64)
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define i32 @length2(i8* %X, i8* %Y) nounwind minsize {
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; X86-LABEL: length2:
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; X86: # %bb.0:
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; X86-NEXT: pushl $0
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; X86-NEXT: pushl $2
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; X86-NEXT: pushl {{[0-9]+}}(%esp)
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; X86-NEXT: pushl {{[0-9]+}}(%esp)
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; X86-NEXT: calll memcmp
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; X86-NEXT: addl $16, %esp
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; X86-NEXT: retl
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;
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; X64-LABEL: length2:
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; X64: # %bb.0:
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; X64-NEXT: pushq $2
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; X64-NEXT: popq %rdx
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; X64-NEXT: jmp memcmp # TAILCALL
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%m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 2) nounwind
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ret i32 %m
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}
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define i1 @length2_eq(i8* %X, i8* %Y) nounwind minsize {
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; X86-LABEL: length2_eq:
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; X86: # %bb.0:
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: movzwl (%ecx), %ecx
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; X86-NEXT: cmpw (%eax), %cx
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; X86-NEXT: sete %al
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; X86-NEXT: retl
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;
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; X64-LABEL: length2_eq:
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; X64: # %bb.0:
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; X64-NEXT: movzwl (%rdi), %eax
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; X64-NEXT: cmpw (%rsi), %ax
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; X64-NEXT: sete %al
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; X64-NEXT: retq
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%m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 2) nounwind
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%c = icmp eq i32 %m, 0
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ret i1 %c
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}
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define i1 @length2_eq_const(i8* %X) nounwind minsize {
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; X86-LABEL: length2_eq_const:
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; X86: # %bb.0:
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: cmpw $12849, (%eax) # imm = 0x3231
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; X86-NEXT: setne %al
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; X86-NEXT: retl
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;
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; X64-LABEL: length2_eq_const:
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; X64: # %bb.0:
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; X64-NEXT: cmpw $12849, (%rdi) # imm = 0x3231
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; X64-NEXT: setne %al
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; X64-NEXT: retq
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%m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 1), i64 2) nounwind
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%c = icmp ne i32 %m, 0
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ret i1 %c
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}
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define i1 @length2_eq_nobuiltin_attr(i8* %X, i8* %Y) nounwind minsize {
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; X86-LABEL: length2_eq_nobuiltin_attr:
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; X86: # %bb.0:
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; X86-NEXT: pushl $0
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; X86-NEXT: pushl $2
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; X86-NEXT: pushl {{[0-9]+}}(%esp)
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; X86-NEXT: pushl {{[0-9]+}}(%esp)
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; X86-NEXT: calll memcmp
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; X86-NEXT: addl $16, %esp
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; X86-NEXT: testl %eax, %eax
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; X86-NEXT: sete %al
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; X86-NEXT: retl
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;
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; X64-LABEL: length2_eq_nobuiltin_attr:
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; X64: # %bb.0:
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; X64-NEXT: pushq %rax
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; X64-NEXT: pushq $2
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; X64-NEXT: popq %rdx
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; X64-NEXT: callq memcmp
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; X64-NEXT: testl %eax, %eax
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; X64-NEXT: sete %al
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; X64-NEXT: popq %rcx
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; X64-NEXT: retq
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%m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 2) nounwind nobuiltin
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%c = icmp eq i32 %m, 0
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ret i1 %c
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}
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define i32 @length3(i8* %X, i8* %Y) nounwind minsize {
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; X86-LABEL: length3:
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; X86: # %bb.0:
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; X86-NEXT: pushl $0
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; X86-NEXT: pushl $3
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; X86-NEXT: pushl {{[0-9]+}}(%esp)
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; X86-NEXT: pushl {{[0-9]+}}(%esp)
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; X86-NEXT: calll memcmp
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; X86-NEXT: addl $16, %esp
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; X86-NEXT: retl
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;
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; X64-LABEL: length3:
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; X64: # %bb.0:
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; X64-NEXT: pushq $3
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; X64-NEXT: popq %rdx
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; X64-NEXT: jmp memcmp # TAILCALL
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%m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 3) nounwind
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ret i32 %m
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}
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define i1 @length3_eq(i8* %X, i8* %Y) nounwind minsize {
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; X86-LABEL: length3_eq:
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; X86: # %bb.0:
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; X86-NEXT: pushl $0
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; X86-NEXT: pushl $3
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; X86-NEXT: pushl {{[0-9]+}}(%esp)
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; X86-NEXT: pushl {{[0-9]+}}(%esp)
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; X86-NEXT: calll memcmp
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; X86-NEXT: addl $16, %esp
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; X86-NEXT: testl %eax, %eax
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; X86-NEXT: setne %al
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; X86-NEXT: retl
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;
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; X64-LABEL: length3_eq:
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; X64: # %bb.0:
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; X64-NEXT: pushq %rax
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; X64-NEXT: pushq $3
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; X64-NEXT: popq %rdx
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; X64-NEXT: callq memcmp
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; X64-NEXT: testl %eax, %eax
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; X64-NEXT: setne %al
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; X64-NEXT: popq %rcx
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; X64-NEXT: retq
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%m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 3) nounwind
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%c = icmp ne i32 %m, 0
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ret i1 %c
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}
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define i32 @length4(i8* %X, i8* %Y) nounwind minsize {
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; X86-LABEL: length4:
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; X86: # %bb.0:
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; X86-NEXT: pushl $0
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; X86-NEXT: pushl $4
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; X86-NEXT: pushl {{[0-9]+}}(%esp)
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; X86-NEXT: pushl {{[0-9]+}}(%esp)
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; X86-NEXT: calll memcmp
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; X86-NEXT: addl $16, %esp
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; X86-NEXT: retl
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;
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; X64-LABEL: length4:
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; X64: # %bb.0:
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; X64-NEXT: pushq $4
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; X64-NEXT: popq %rdx
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; X64-NEXT: jmp memcmp # TAILCALL
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%m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 4) nounwind
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ret i32 %m
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}
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define i1 @length4_eq(i8* %X, i8* %Y) nounwind minsize {
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; X86-LABEL: length4_eq:
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; X86: # %bb.0:
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: movl (%ecx), %ecx
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; X86-NEXT: cmpl (%eax), %ecx
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; X86-NEXT: setne %al
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; X86-NEXT: retl
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;
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; X64-LABEL: length4_eq:
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; X64: # %bb.0:
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; X64-NEXT: movl (%rdi), %eax
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; X64-NEXT: cmpl (%rsi), %eax
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; X64-NEXT: setne %al
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; X64-NEXT: retq
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%m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 4) nounwind
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%c = icmp ne i32 %m, 0
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ret i1 %c
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}
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define i1 @length4_eq_const(i8* %X) nounwind minsize {
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; X86-LABEL: length4_eq_const:
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; X86: # %bb.0:
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: cmpl $875770417, (%eax) # imm = 0x34333231
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; X86-NEXT: sete %al
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; X86-NEXT: retl
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;
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; X64-LABEL: length4_eq_const:
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; X64: # %bb.0:
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; X64-NEXT: cmpl $875770417, (%rdi) # imm = 0x34333231
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; X64-NEXT: sete %al
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; X64-NEXT: retq
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%m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 1), i64 4) nounwind
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%c = icmp eq i32 %m, 0
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ret i1 %c
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}
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define i32 @length5(i8* %X, i8* %Y) nounwind minsize {
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; X86-LABEL: length5:
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; X86: # %bb.0:
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; X86-NEXT: pushl $0
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; X86-NEXT: pushl $5
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; X86-NEXT: pushl {{[0-9]+}}(%esp)
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; X86-NEXT: pushl {{[0-9]+}}(%esp)
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; X86-NEXT: calll memcmp
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; X86-NEXT: addl $16, %esp
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; X86-NEXT: retl
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;
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; X64-LABEL: length5:
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; X64: # %bb.0:
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; X64-NEXT: pushq $5
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; X64-NEXT: popq %rdx
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; X64-NEXT: jmp memcmp # TAILCALL
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%m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 5) nounwind
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ret i32 %m
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}
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define i1 @length5_eq(i8* %X, i8* %Y) nounwind minsize {
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; X86-LABEL: length5_eq:
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; X86: # %bb.0:
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; X86-NEXT: pushl $0
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; X86-NEXT: pushl $5
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; X86-NEXT: pushl {{[0-9]+}}(%esp)
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; X86-NEXT: pushl {{[0-9]+}}(%esp)
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; X86-NEXT: calll memcmp
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; X86-NEXT: addl $16, %esp
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; X86-NEXT: testl %eax, %eax
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; X86-NEXT: setne %al
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; X86-NEXT: retl
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;
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; X64-LABEL: length5_eq:
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; X64: # %bb.0:
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; X64-NEXT: pushq %rax
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; X64-NEXT: pushq $5
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; X64-NEXT: popq %rdx
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; X64-NEXT: callq memcmp
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; X64-NEXT: testl %eax, %eax
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; X64-NEXT: setne %al
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; X64-NEXT: popq %rcx
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; X64-NEXT: retq
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%m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 5) nounwind
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%c = icmp ne i32 %m, 0
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ret i1 %c
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}
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define i32 @length8(i8* %X, i8* %Y) nounwind minsize {
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; X86-LABEL: length8:
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; X86: # %bb.0:
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; X86-NEXT: pushl $0
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; X86-NEXT: pushl $8
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; X86-NEXT: pushl {{[0-9]+}}(%esp)
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; X86-NEXT: pushl {{[0-9]+}}(%esp)
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; X86-NEXT: calll memcmp
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; X86-NEXT: addl $16, %esp
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; X86-NEXT: retl
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;
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; X64-LABEL: length8:
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; X64: # %bb.0:
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; X64-NEXT: pushq $8
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; X64-NEXT: popq %rdx
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; X64-NEXT: jmp memcmp # TAILCALL
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%m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 8) nounwind
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ret i32 %m
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}
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define i1 @length8_eq(i8* %X, i8* %Y) nounwind minsize {
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; X86-LABEL: length8_eq:
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; X86: # %bb.0:
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; X86-NEXT: pushl $0
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; X86-NEXT: pushl $8
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; X86-NEXT: pushl {{[0-9]+}}(%esp)
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; X86-NEXT: pushl {{[0-9]+}}(%esp)
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; X86-NEXT: calll memcmp
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; X86-NEXT: addl $16, %esp
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; X86-NEXT: testl %eax, %eax
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; X86-NEXT: sete %al
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; X86-NEXT: retl
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;
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; X64-LABEL: length8_eq:
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; X64: # %bb.0:
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; X64-NEXT: movq (%rdi), %rax
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; X64-NEXT: cmpq (%rsi), %rax
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; X64-NEXT: sete %al
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; X64-NEXT: retq
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%m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 8) nounwind
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%c = icmp eq i32 %m, 0
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ret i1 %c
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}
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define i1 @length8_eq_const(i8* %X) nounwind minsize {
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; X86-LABEL: length8_eq_const:
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; X86: # %bb.0:
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; X86-NEXT: pushl $0
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; X86-NEXT: pushl $8
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; X86-NEXT: pushl $.L.str
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; X86-NEXT: pushl {{[0-9]+}}(%esp)
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; X86-NEXT: calll memcmp
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; X86-NEXT: addl $16, %esp
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; X86-NEXT: testl %eax, %eax
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; X86-NEXT: setne %al
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; X86-NEXT: retl
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;
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; X64-LABEL: length8_eq_const:
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; X64: # %bb.0:
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; X64-NEXT: movabsq $3978425819141910832, %rax # imm = 0x3736353433323130
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; X64-NEXT: cmpq %rax, (%rdi)
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; X64-NEXT: setne %al
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; X64-NEXT: retq
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%m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i64 8) nounwind
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%c = icmp ne i32 %m, 0
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ret i1 %c
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}
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define i1 @length12_eq(i8* %X, i8* %Y) nounwind minsize {
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; X86-LABEL: length12_eq:
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; X86: # %bb.0:
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; X86-NEXT: pushl $0
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; X86-NEXT: pushl $12
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; X86-NEXT: pushl {{[0-9]+}}(%esp)
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; X86-NEXT: pushl {{[0-9]+}}(%esp)
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; X86-NEXT: calll memcmp
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; X86-NEXT: addl $16, %esp
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; X86-NEXT: testl %eax, %eax
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; X86-NEXT: setne %al
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; X86-NEXT: retl
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;
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; X64-LABEL: length12_eq:
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; X64: # %bb.0:
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; X64-NEXT: pushq %rax
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; X64-NEXT: pushq $12
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; X64-NEXT: popq %rdx
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; X64-NEXT: callq memcmp
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; X64-NEXT: testl %eax, %eax
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; X64-NEXT: setne %al
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; X64-NEXT: popq %rcx
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; X64-NEXT: retq
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%m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 12) nounwind
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%c = icmp ne i32 %m, 0
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ret i1 %c
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}
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define i32 @length12(i8* %X, i8* %Y) nounwind minsize {
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; X86-LABEL: length12:
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; X86: # %bb.0:
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; X86-NEXT: pushl $0
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; X86-NEXT: pushl $12
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; X86-NEXT: pushl {{[0-9]+}}(%esp)
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; X86-NEXT: pushl {{[0-9]+}}(%esp)
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; X86-NEXT: calll memcmp
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; X86-NEXT: addl $16, %esp
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; X86-NEXT: retl
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;
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; X64-LABEL: length12:
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; X64: # %bb.0:
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; X64-NEXT: pushq $12
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; X64-NEXT: popq %rdx
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; X64-NEXT: jmp memcmp # TAILCALL
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%m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 12) nounwind
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ret i32 %m
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}
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; PR33329 - https://bugs.llvm.org/show_bug.cgi?id=33329
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define i32 @length16(i8* %X, i8* %Y) nounwind minsize {
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; X86-LABEL: length16:
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; X86: # %bb.0:
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; X86-NEXT: pushl $0
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; X86-NEXT: pushl $16
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; X86-NEXT: pushl {{[0-9]+}}(%esp)
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; X86-NEXT: pushl {{[0-9]+}}(%esp)
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; X86-NEXT: calll memcmp
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; X86-NEXT: addl $16, %esp
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; X86-NEXT: retl
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;
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; X64-LABEL: length16:
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; X64: # %bb.0:
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; X64-NEXT: pushq $16
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; X64-NEXT: popq %rdx
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; X64-NEXT: jmp memcmp # TAILCALL
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%m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 16) nounwind
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ret i32 %m
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}
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define i1 @length16_eq(i8* %x, i8* %y) nounwind minsize {
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; X86-NOSSE-LABEL: length16_eq:
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; X86-NOSSE: # %bb.0:
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; X86-NOSSE-NEXT: pushl $0
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; X86-NOSSE-NEXT: pushl $16
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; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
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; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
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; X86-NOSSE-NEXT: calll memcmp
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; X86-NOSSE-NEXT: addl $16, %esp
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; X86-NOSSE-NEXT: testl %eax, %eax
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; X86-NOSSE-NEXT: setne %al
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; X86-NOSSE-NEXT: retl
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;
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; 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-SSE2-LABEL: length16_eq:
|
|
; X64-SSE2: # %bb.0:
|
|
; X64-SSE2-NEXT: movdqu (%rsi), %xmm0
|
|
; X64-SSE2-NEXT: movdqu (%rdi), %xmm1
|
|
; X64-SSE2-NEXT: pcmpeqb %xmm0, %xmm1
|
|
; X64-SSE2-NEXT: pmovmskb %xmm1, %eax
|
|
; X64-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
|
|
; X64-SSE2-NEXT: setne %al
|
|
; X64-SSE2-NEXT: retq
|
|
;
|
|
; X64-AVX2-LABEL: length16_eq:
|
|
; X64-AVX2: # %bb.0:
|
|
; X64-AVX2-NEXT: vmovdqu (%rdi), %xmm0
|
|
; X64-AVX2-NEXT: vpcmpeqb (%rsi), %xmm0, %xmm0
|
|
; X64-AVX2-NEXT: vpmovmskb %xmm0, %eax
|
|
; X64-AVX2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
|
|
; X64-AVX2-NEXT: setne %al
|
|
; X64-AVX2-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 minsize {
|
|
; 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-SSE2-LABEL: length16_eq_const:
|
|
; X64-SSE2: # %bb.0:
|
|
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
|
|
; X64-SSE2-NEXT: pcmpeqb {{.*}}(%rip), %xmm0
|
|
; X64-SSE2-NEXT: pmovmskb %xmm0, %eax
|
|
; X64-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
|
|
; X64-SSE2-NEXT: sete %al
|
|
; X64-SSE2-NEXT: retq
|
|
;
|
|
; X64-AVX2-LABEL: length16_eq_const:
|
|
; X64-AVX2: # %bb.0:
|
|
; X64-AVX2-NEXT: vmovdqu (%rdi), %xmm0
|
|
; X64-AVX2-NEXT: vpcmpeqb {{.*}}(%rip), %xmm0, %xmm0
|
|
; X64-AVX2-NEXT: vpmovmskb %xmm0, %eax
|
|
; X64-AVX2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
|
|
; X64-AVX2-NEXT: sete %al
|
|
; 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 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 minsize {
|
|
; 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: pushq $24
|
|
; X64-NEXT: popq %rdx
|
|
; 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 minsize {
|
|
; 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: pushq $24
|
|
; X64-NEXT: popq %rdx
|
|
; 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 minsize {
|
|
; 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: pushq $24
|
|
; X64-NEXT: popq %rdx
|
|
; X64-NEXT: movl $.L.str, %esi
|
|
; 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 minsize {
|
|
; 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: pushq $32
|
|
; X64-NEXT: popq %rdx
|
|
; 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 minsize {
|
|
; 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: pushq $32
|
|
; X64-SSE2-NEXT: popq %rdx
|
|
; 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 minsize {
|
|
; 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: pushq $32
|
|
; X64-SSE2-NEXT: popq %rdx
|
|
; X64-SSE2-NEXT: movl $.L.str, %esi
|
|
; 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 minsize {
|
|
; 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: pushq $64
|
|
; X64-NEXT: popq %rdx
|
|
; 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 minsize {
|
|
; 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: pushq $64
|
|
; X64-NEXT: popq %rdx
|
|
; 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 minsize {
|
|
; 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: pushq $64
|
|
; X64-NEXT: popq %rdx
|
|
; X64-NEXT: movl $.L.str, %esi
|
|
; 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
|
|
}
|
|
|