forked from OSchip/llvm-project
910 lines
26 KiB
LLVM
910 lines
26 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 {
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; X86-LABEL: length2:
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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: movzwl (%eax), %edx
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; X86-NEXT: rolw $8, %cx
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; X86-NEXT: rolw $8, %dx
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; X86-NEXT: movzwl %cx, %eax
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; X86-NEXT: movzwl %dx, %ecx
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; X86-NEXT: subl %ecx, %eax
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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: movzwl (%rdi), %eax
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; X64-NEXT: movzwl (%rsi), %ecx
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; X64-NEXT: rolw $8, %ax
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; X64-NEXT: rolw $8, %cx
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; X64-NEXT: movzwl %ax, %eax
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; X64-NEXT: movzwl %cx, %ecx
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; X64-NEXT: subl %ecx, %eax
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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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ret i32 %m
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}
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define i1 @length2_eq(i8* %X, i8* %Y) nounwind {
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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 {
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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: movzwl (%eax), %eax
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; X86-NEXT: cmpl $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: movzwl (%rdi), %eax
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; X64-NEXT: cmpl $12849, %eax # 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 {
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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: movl $2, %edx
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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 {
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; X86-LABEL: length3:
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; X86: # BB#0: # %loadbb
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; X86-NEXT: pushl %esi
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movzwl (%eax), %edx
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; X86-NEXT: movzwl (%ecx), %esi
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; X86-NEXT: rolw $8, %dx
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; X86-NEXT: rolw $8, %si
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; X86-NEXT: cmpw %si, %dx
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; X86-NEXT: jne .LBB4_1
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; X86-NEXT: # BB#2: # %loadbb1
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; X86-NEXT: movzbl 2(%eax), %eax
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; X86-NEXT: movzbl 2(%ecx), %ecx
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; X86-NEXT: subl %ecx, %eax
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; X86-NEXT: popl %esi
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; X86-NEXT: retl
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; X86-NEXT: .LBB4_1: # %res_block
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; X86-NEXT: setae %al
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; X86-NEXT: movzbl %al, %eax
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; X86-NEXT: leal -1(%eax,%eax), %eax
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; X86-NEXT: popl %esi
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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: # %loadbb
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; X64-NEXT: movzwl (%rdi), %eax
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; X64-NEXT: movzwl (%rsi), %ecx
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; X64-NEXT: rolw $8, %ax
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; X64-NEXT: rolw $8, %cx
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; X64-NEXT: cmpw %cx, %ax
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; X64-NEXT: jne .LBB4_1
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; X64-NEXT: # BB#2: # %loadbb1
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; X64-NEXT: movzbl 2(%rdi), %eax
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; X64-NEXT: movzbl 2(%rsi), %ecx
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; X64-NEXT: subl %ecx, %eax
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; X64-NEXT: retq
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; X64-NEXT: .LBB4_1: # %res_block
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; X64-NEXT: setae %al
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; X64-NEXT: movzbl %al, %eax
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; X64-NEXT: leal -1(%rax,%rax), %eax
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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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ret i32 %m
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}
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define i1 @length3_eq(i8* %X, i8* %Y) nounwind {
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; X86-LABEL: length3_eq:
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; X86: # BB#0: # %loadbb
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movzwl (%eax), %edx
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; X86-NEXT: cmpw (%ecx), %dx
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; X86-NEXT: jne .LBB5_1
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; X86-NEXT: # BB#2: # %loadbb1
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; X86-NEXT: movb 2(%eax), %dl
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; X86-NEXT: xorl %eax, %eax
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; X86-NEXT: cmpb 2(%ecx), %dl
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; X86-NEXT: je .LBB5_3
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; X86-NEXT: .LBB5_1: # %res_block
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; X86-NEXT: movl $1, %eax
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; X86-NEXT: .LBB5_3: # %endblock
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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: # %loadbb
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; X64-NEXT: movzwl (%rdi), %eax
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; X64-NEXT: cmpw (%rsi), %ax
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; X64-NEXT: jne .LBB5_1
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; X64-NEXT: # BB#2: # %loadbb1
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; X64-NEXT: movb 2(%rdi), %cl
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; X64-NEXT: xorl %eax, %eax
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; X64-NEXT: cmpb 2(%rsi), %cl
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; X64-NEXT: je .LBB5_3
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; X64-NEXT: .LBB5_1: # %res_block
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; X64-NEXT: movl $1, %eax
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; X64-NEXT: .LBB5_3: # %endblock
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; X64-NEXT: testl %eax, %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 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 {
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; X86-LABEL: length4:
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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: movl (%eax), %edx
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; X86-NEXT: bswapl %ecx
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; X86-NEXT: bswapl %edx
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; X86-NEXT: xorl %eax, %eax
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; X86-NEXT: cmpl %edx, %ecx
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; X86-NEXT: seta %al
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; X86-NEXT: sbbl $0, %eax
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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: movl (%rdi), %ecx
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; X64-NEXT: movl (%rsi), %edx
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; X64-NEXT: bswapl %ecx
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; X64-NEXT: bswapl %edx
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; X64-NEXT: xorl %eax, %eax
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; X64-NEXT: cmpl %edx, %ecx
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; X64-NEXT: seta %al
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; X64-NEXT: sbbl $0, %eax
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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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ret i32 %m
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}
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define i1 @length4_eq(i8* %X, i8* %Y) nounwind {
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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 {
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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 {
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; X86-LABEL: length5:
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; X86: # BB#0: # %loadbb
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; X86-NEXT: pushl %esi
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movl (%eax), %edx
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; X86-NEXT: movl (%ecx), %esi
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; X86-NEXT: bswapl %edx
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; X86-NEXT: bswapl %esi
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; X86-NEXT: cmpl %esi, %edx
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; X86-NEXT: jne .LBB9_1
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; X86-NEXT: # BB#2: # %loadbb1
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; X86-NEXT: movzbl 4(%eax), %eax
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; X86-NEXT: movzbl 4(%ecx), %ecx
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; X86-NEXT: subl %ecx, %eax
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; X86-NEXT: popl %esi
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; X86-NEXT: retl
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; X86-NEXT: .LBB9_1: # %res_block
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; X86-NEXT: setae %al
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; X86-NEXT: movzbl %al, %eax
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; X86-NEXT: leal -1(%eax,%eax), %eax
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; X86-NEXT: popl %esi
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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: # %loadbb
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; X64-NEXT: movl (%rdi), %eax
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; X64-NEXT: movl (%rsi), %ecx
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; X64-NEXT: bswapl %eax
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; X64-NEXT: bswapl %ecx
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; X64-NEXT: cmpl %ecx, %eax
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; X64-NEXT: jne .LBB9_1
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; X64-NEXT: # BB#2: # %loadbb1
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; X64-NEXT: movzbl 4(%rdi), %eax
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; X64-NEXT: movzbl 4(%rsi), %ecx
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; X64-NEXT: subl %ecx, %eax
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; X64-NEXT: retq
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; X64-NEXT: .LBB9_1: # %res_block
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; X64-NEXT: setae %al
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; X64-NEXT: movzbl %al, %eax
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; X64-NEXT: leal -1(%rax,%rax), %eax
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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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ret i32 %m
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}
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define i1 @length5_eq(i8* %X, i8* %Y) nounwind {
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; X86-LABEL: length5_eq:
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; X86: # BB#0: # %loadbb
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movl (%eax), %edx
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; X86-NEXT: cmpl (%ecx), %edx
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; X86-NEXT: jne .LBB10_1
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; X86-NEXT: # BB#2: # %loadbb1
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; X86-NEXT: movb 4(%eax), %dl
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; X86-NEXT: xorl %eax, %eax
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; X86-NEXT: cmpb 4(%ecx), %dl
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; X86-NEXT: je .LBB10_3
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; X86-NEXT: .LBB10_1: # %res_block
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; X86-NEXT: movl $1, %eax
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; X86-NEXT: .LBB10_3: # %endblock
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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: # %loadbb
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; X64-NEXT: movl (%rdi), %eax
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; X64-NEXT: cmpl (%rsi), %eax
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; X64-NEXT: jne .LBB10_1
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; X64-NEXT: # BB#2: # %loadbb1
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; X64-NEXT: movb 4(%rdi), %cl
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; X64-NEXT: xorl %eax, %eax
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; X64-NEXT: cmpb 4(%rsi), %cl
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; X64-NEXT: je .LBB10_3
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; X64-NEXT: .LBB10_1: # %res_block
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; X64-NEXT: movl $1, %eax
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; X64-NEXT: .LBB10_3: # %endblock
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; X64-NEXT: testl %eax, %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 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 {
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; X86-LABEL: length8:
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; X86: # BB#0: # %loadbb
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; X86-NEXT: pushl %esi
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
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; X86-NEXT: movl (%esi), %ecx
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; X86-NEXT: movl (%eax), %edx
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; X86-NEXT: bswapl %ecx
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; X86-NEXT: bswapl %edx
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; X86-NEXT: cmpl %edx, %ecx
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; X86-NEXT: jne .LBB11_1
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; X86-NEXT: # BB#2: # %loadbb1
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; X86-NEXT: movl 4(%esi), %ecx
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; X86-NEXT: movl 4(%eax), %edx
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; X86-NEXT: bswapl %ecx
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; X86-NEXT: bswapl %edx
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; X86-NEXT: xorl %eax, %eax
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; X86-NEXT: cmpl %edx, %ecx
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; X86-NEXT: jne .LBB11_1
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; X86-NEXT: # BB#3: # %endblock
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; X86-NEXT: popl %esi
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; X86-NEXT: retl
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; X86-NEXT: .LBB11_1: # %res_block
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; X86-NEXT: xorl %eax, %eax
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; X86-NEXT: cmpl %edx, %ecx
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; X86-NEXT: setae %al
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; X86-NEXT: leal -1(%eax,%eax), %eax
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; X86-NEXT: popl %esi
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; X86-NEXT: retl
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;
|
|
; X64-LABEL: length8:
|
|
; X64: # BB#0:
|
|
; X64-NEXT: movq (%rdi), %rcx
|
|
; X64-NEXT: movq (%rsi), %rdx
|
|
; X64-NEXT: bswapq %rcx
|
|
; X64-NEXT: bswapq %rdx
|
|
; X64-NEXT: xorl %eax, %eax
|
|
; X64-NEXT: cmpq %rdx, %rcx
|
|
; X64-NEXT: seta %al
|
|
; X64-NEXT: sbbl $0, %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 {
|
|
; 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: movl $1, %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 {
|
|
; 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: movl $1, %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 {
|
|
; 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 {
|
|
; 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: xorl %eax, %eax
|
|
; X64-NEXT: cmpq %rdx, %rcx
|
|
; X64-NEXT: setae %al
|
|
; X64-NEXT: leal -1(%rax,%rax), %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 {
|
|
; 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: xorl %eax, %eax
|
|
; X64-NEXT: cmpq %rdx, %rcx
|
|
; X64-NEXT: setae %al
|
|
; X64-NEXT: leal -1(%rax,%rax), %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 {
|
|
; 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 {
|
|
; 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 {
|
|
; 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 {
|
|
; 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 {
|
|
; 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 {
|
|
; 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 {
|
|
; 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 {
|
|
; 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 {
|
|
; 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 {
|
|
; 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 {
|
|
; 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
|
|
}
|
|
|