diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/memcmp-optsize.ll')
-rw-r--r-- | llvm/test/CodeGen/X86/memcmp-optsize.ll | 1013 |
1 files changed, 0 insertions, 1013 deletions
diff --git a/llvm/test/CodeGen/X86/memcmp-optsize.ll b/llvm/test/CodeGen/X86/memcmp-optsize.ll deleted file mode 100644 index b3bb3ab506f..00000000000 --- a/llvm/test/CodeGen/X86/memcmp-optsize.ll +++ /dev/null @@ -1,1013 +0,0 @@ -; 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 -; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64 --check-prefix=X64-SSE2 -; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx2 | FileCheck %s --check-prefix=X64 --check-prefix=X64-AVX2 - -; This tests codegen time inlining/optimization of memcmp -; rdar://6480398 - -@.str = private constant [65 x i8] c"0123456789012345678901234567890123456789012345678901234567890123\00", align 1 - -declare i32 @memcmp(i8*, i8*, i64) -declare i32 @bcmp(i8*, i8*, i64) - -define i32 @length2(i8* %X, i8* %Y) nounwind optsize { -; X86-LABEL: length2: -; X86: # %bb.0: -; X86-NEXT: movl {{[0-9]+}}(%esp), %eax -; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx -; X86-NEXT: movzwl (%ecx), %ecx -; X86-NEXT: movzwl (%eax), %edx -; X86-NEXT: rolw $8, %cx -; X86-NEXT: rolw $8, %dx -; X86-NEXT: movzwl %cx, %eax -; X86-NEXT: movzwl %dx, %ecx -; X86-NEXT: subl %ecx, %eax -; X86-NEXT: retl -; -; X64-LABEL: length2: -; X64: # %bb.0: -; X64-NEXT: movzwl (%rdi), %eax -; X64-NEXT: movzwl (%rsi), %ecx -; X64-NEXT: rolw $8, %ax -; X64-NEXT: rolw $8, %cx -; X64-NEXT: movzwl %ax, %eax -; X64-NEXT: movzwl %cx, %ecx -; X64-NEXT: subl %ecx, %eax -; X64-NEXT: retq - %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 2) nounwind - ret i32 %m -} - -define i1 @length2_eq(i8* %X, i8* %Y) nounwind optsize { -; 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 -; -; X64-LABEL: length2_eq: -; X64: # %bb.0: -; X64-NEXT: movzwl (%rdi), %eax -; X64-NEXT: cmpw (%rsi), %ax -; X64-NEXT: sete %al -; X64-NEXT: retq - %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 2) nounwind - %c = icmp eq i32 %m, 0 - ret i1 %c -} - -define i1 @length2_eq_const(i8* %X) nounwind optsize { -; X86-LABEL: length2_eq_const: -; X86: # %bb.0: -; X86-NEXT: movl {{[0-9]+}}(%esp), %eax -; X86-NEXT: movzwl (%eax), %eax -; X86-NEXT: cmpl $12849, %eax # imm = 0x3231 -; X86-NEXT: setne %al -; X86-NEXT: retl -; -; X64-LABEL: length2_eq_const: -; X64: # %bb.0: -; X64-NEXT: movzwl (%rdi), %eax -; X64-NEXT: cmpl $12849, %eax # imm = 0x3231 -; 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 1), i64 2) nounwind - %c = icmp ne i32 %m, 0 - ret i1 %c -} - -define i1 @length2_eq_nobuiltin_attr(i8* %X, i8* %Y) nounwind optsize { -; X86-LABEL: length2_eq_nobuiltin_attr: -; X86: # %bb.0: -; X86-NEXT: pushl $0 -; X86-NEXT: pushl $2 -; 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: length2_eq_nobuiltin_attr: -; X64: # %bb.0: -; X64-NEXT: pushq %rax -; X64-NEXT: movl $2, %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* %Y, i64 2) nounwind nobuiltin - %c = icmp eq i32 %m, 0 - ret i1 %c -} - -define i32 @length3(i8* %X, i8* %Y) nounwind optsize { -; X86-LABEL: length3: -; X86: # %bb.0: # %loadbb -; X86-NEXT: pushl %esi -; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx -; X86-NEXT: movl {{[0-9]+}}(%esp), %eax -; X86-NEXT: movzwl (%eax), %edx -; X86-NEXT: movzwl (%ecx), %esi -; X86-NEXT: rolw $8, %dx -; X86-NEXT: rolw $8, %si -; X86-NEXT: cmpw %si, %dx -; X86-NEXT: jne .LBB4_1 -; X86-NEXT: # %bb.2: # %loadbb1 -; X86-NEXT: movzbl 2(%eax), %eax -; X86-NEXT: movzbl 2(%ecx), %ecx -; X86-NEXT: subl %ecx, %eax -; X86-NEXT: jmp .LBB4_3 -; X86-NEXT: .LBB4_1: # %res_block -; X86-NEXT: setae %al -; X86-NEXT: movzbl %al, %eax -; X86-NEXT: leal -1(%eax,%eax), %eax -; X86-NEXT: .LBB4_3: # %endblock -; X86-NEXT: popl %esi -; X86-NEXT: retl -; -; X64-LABEL: length3: -; X64: # %bb.0: # %loadbb -; X64-NEXT: movzwl (%rdi), %eax -; X64-NEXT: movzwl (%rsi), %ecx -; X64-NEXT: rolw $8, %ax -; X64-NEXT: rolw $8, %cx -; X64-NEXT: cmpw %cx, %ax -; X64-NEXT: jne .LBB4_1 -; X64-NEXT: # %bb.2: # %loadbb1 -; X64-NEXT: movzbl 2(%rdi), %eax -; X64-NEXT: movzbl 2(%rsi), %ecx -; X64-NEXT: subl %ecx, %eax -; X64-NEXT: retq -; X64-NEXT: .LBB4_1: # %res_block -; X64-NEXT: setae %al -; X64-NEXT: movzbl %al, %eax -; X64-NEXT: leal -1(%rax,%rax), %eax -; X64-NEXT: retq - %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 3) nounwind - ret i32 %m -} - -define i1 @length3_eq(i8* %X, i8* %Y) nounwind optsize { -; X86-LABEL: length3_eq: -; X86: # %bb.0: -; X86-NEXT: movl {{[0-9]+}}(%esp), %eax -; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx -; X86-NEXT: movzwl (%ecx), %edx -; X86-NEXT: xorw (%eax), %dx -; X86-NEXT: movb 2(%ecx), %cl -; X86-NEXT: xorb 2(%eax), %cl -; X86-NEXT: movzbl %cl, %eax -; X86-NEXT: orw %dx, %ax -; X86-NEXT: setne %al -; X86-NEXT: retl -; -; X64-LABEL: length3_eq: -; X64: # %bb.0: -; X64-NEXT: movzwl (%rdi), %eax -; X64-NEXT: xorw (%rsi), %ax -; X64-NEXT: movb 2(%rdi), %cl -; X64-NEXT: xorb 2(%rsi), %cl -; X64-NEXT: movzbl %cl, %ecx -; X64-NEXT: orw %ax, %cx -; X64-NEXT: setne %al -; X64-NEXT: retq - %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 3) nounwind - %c = icmp ne i32 %m, 0 - ret i1 %c -} - -define i32 @length4(i8* %X, i8* %Y) nounwind optsize { -; X86-LABEL: length4: -; X86: # %bb.0: -; X86-NEXT: movl {{[0-9]+}}(%esp), %eax -; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx -; X86-NEXT: movl (%ecx), %ecx -; X86-NEXT: movl (%eax), %edx -; X86-NEXT: bswapl %ecx -; X86-NEXT: bswapl %edx -; X86-NEXT: xorl %eax, %eax -; X86-NEXT: cmpl %edx, %ecx -; X86-NEXT: seta %al -; X86-NEXT: sbbl $0, %eax -; X86-NEXT: retl -; -; X64-LABEL: length4: -; X64: # %bb.0: -; X64-NEXT: movl (%rdi), %ecx -; X64-NEXT: movl (%rsi), %edx -; X64-NEXT: bswapl %ecx -; X64-NEXT: bswapl %edx -; X64-NEXT: xorl %eax, %eax -; X64-NEXT: cmpl %edx, %ecx -; X64-NEXT: seta %al -; X64-NEXT: sbbl $0, %eax -; X64-NEXT: retq - %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 4) nounwind - ret i32 %m -} - -define i1 @length4_eq(i8* %X, i8* %Y) nounwind optsize { -; 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 -; -; X64-LABEL: length4_eq: -; X64: # %bb.0: -; X64-NEXT: movl (%rdi), %eax -; X64-NEXT: cmpl (%rsi), %eax -; X64-NEXT: setne %al -; X64-NEXT: retq - %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 4) nounwind - %c = icmp ne i32 %m, 0 - ret i1 %c -} - -define i1 @length4_eq_const(i8* %X) nounwind optsize { -; 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 -; -; X64-LABEL: length4_eq_const: -; X64: # %bb.0: -; X64-NEXT: cmpl $875770417, (%rdi) # imm = 0x34333231 -; 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 1), i64 4) nounwind - %c = icmp eq i32 %m, 0 - ret i1 %c -} - -define i32 @length5(i8* %X, i8* %Y) nounwind optsize { -; X86-LABEL: length5: -; X86: # %bb.0: # %loadbb -; X86-NEXT: pushl %esi -; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx -; X86-NEXT: movl {{[0-9]+}}(%esp), %eax -; X86-NEXT: movl (%eax), %edx -; X86-NEXT: movl (%ecx), %esi -; X86-NEXT: bswapl %edx -; X86-NEXT: bswapl %esi -; X86-NEXT: cmpl %esi, %edx -; X86-NEXT: jne .LBB9_1 -; X86-NEXT: # %bb.2: # %loadbb1 -; X86-NEXT: movzbl 4(%eax), %eax -; X86-NEXT: movzbl 4(%ecx), %ecx -; X86-NEXT: subl %ecx, %eax -; X86-NEXT: jmp .LBB9_3 -; X86-NEXT: .LBB9_1: # %res_block -; X86-NEXT: setae %al -; X86-NEXT: movzbl %al, %eax -; X86-NEXT: leal -1(%eax,%eax), %eax -; X86-NEXT: .LBB9_3: # %endblock -; X86-NEXT: popl %esi -; X86-NEXT: retl -; -; X64-LABEL: length5: -; X64: # %bb.0: # %loadbb -; X64-NEXT: movl (%rdi), %eax -; X64-NEXT: movl (%rsi), %ecx -; X64-NEXT: bswapl %eax -; X64-NEXT: bswapl %ecx -; X64-NEXT: cmpl %ecx, %eax -; X64-NEXT: jne .LBB9_1 -; X64-NEXT: # %bb.2: # %loadbb1 -; X64-NEXT: movzbl 4(%rdi), %eax -; X64-NEXT: movzbl 4(%rsi), %ecx -; X64-NEXT: subl %ecx, %eax -; X64-NEXT: retq -; X64-NEXT: .LBB9_1: # %res_block -; X64-NEXT: setae %al -; X64-NEXT: movzbl %al, %eax -; X64-NEXT: leal -1(%rax,%rax), %eax -; X64-NEXT: retq - %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 5) nounwind - ret i32 %m -} - -define i1 @length5_eq(i8* %X, i8* %Y) nounwind optsize { -; X86-LABEL: length5_eq: -; X86: # %bb.0: -; X86-NEXT: movl {{[0-9]+}}(%esp), %eax -; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx -; X86-NEXT: movl (%ecx), %edx -; X86-NEXT: xorl (%eax), %edx -; X86-NEXT: movb 4(%ecx), %cl -; X86-NEXT: xorb 4(%eax), %cl -; X86-NEXT: movzbl %cl, %eax -; X86-NEXT: orl %edx, %eax -; X86-NEXT: setne %al -; X86-NEXT: retl -; -; X64-LABEL: length5_eq: -; X64: # %bb.0: -; X64-NEXT: movl (%rdi), %eax -; X64-NEXT: xorl (%rsi), %eax -; X64-NEXT: movb 4(%rdi), %cl -; X64-NEXT: xorb 4(%rsi), %cl -; X64-NEXT: movzbl %cl, %ecx -; X64-NEXT: orl %eax, %ecx -; X64-NEXT: setne %al -; X64-NEXT: retq - %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 5) nounwind - %c = icmp ne i32 %m, 0 - ret i1 %c -} - -define i32 @length8(i8* %X, i8* %Y) nounwind optsize { -; X86-LABEL: length8: -; X86: # %bb.0: -; X86-NEXT: pushl %esi -; X86-NEXT: movl {{[0-9]+}}(%esp), %eax -; X86-NEXT: movl {{[0-9]+}}(%esp), %esi -; X86-NEXT: movl (%esi), %ecx -; X86-NEXT: movl (%eax), %edx -; X86-NEXT: bswapl %ecx -; X86-NEXT: bswapl %edx -; X86-NEXT: cmpl %edx, %ecx -; X86-NEXT: jne .LBB11_2 -; X86-NEXT: # %bb.1: # %loadbb1 -; X86-NEXT: movl 4(%esi), %ecx -; X86-NEXT: movl 4(%eax), %edx -; X86-NEXT: bswapl %ecx -; X86-NEXT: bswapl %edx -; X86-NEXT: xorl %eax, %eax -; X86-NEXT: cmpl %edx, %ecx -; X86-NEXT: je .LBB11_3 -; X86-NEXT: .LBB11_2: # %res_block -; X86-NEXT: xorl %eax, %eax -; X86-NEXT: cmpl %edx, %ecx -; X86-NEXT: setae %al -; X86-NEXT: leal -1(%eax,%eax), %eax -; X86-NEXT: .LBB11_3: # %endblock -; X86-NEXT: popl %esi -; X86-NEXT: retl -; -; 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 optsize { -; X86-LABEL: length8_eq: -; X86: # %bb.0: -; X86-NEXT: movl {{[0-9]+}}(%esp), %eax -; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx -; X86-NEXT: movl (%ecx), %edx -; X86-NEXT: movl 4(%ecx), %ecx -; X86-NEXT: xorl (%eax), %edx -; X86-NEXT: xorl 4(%eax), %ecx -; X86-NEXT: orl %edx, %ecx -; X86-NEXT: sete %al -; X86-NEXT: retl -; -; 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 optsize { -; X86-LABEL: length8_eq_const: -; X86: # %bb.0: -; X86-NEXT: movl {{[0-9]+}}(%esp), %eax -; X86-NEXT: movl $858927408, %ecx # imm = 0x33323130 -; X86-NEXT: xorl (%eax), %ecx -; X86-NEXT: movl $926299444, %edx # imm = 0x37363534 -; X86-NEXT: xorl 4(%eax), %edx -; X86-NEXT: orl %ecx, %edx -; X86-NEXT: setne %al -; X86-NEXT: retl -; -; 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 optsize { -; 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: -; X64-NEXT: movq (%rdi), %rax -; X64-NEXT: xorq (%rsi), %rax -; X64-NEXT: movl 8(%rdi), %ecx -; X64-NEXT: xorl 8(%rsi), %ecx -; X64-NEXT: orq %rax, %rcx -; 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 optsize { -; 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: -; 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_2 -; X64-NEXT: # %bb.1: # %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: je .LBB15_3 -; X64-NEXT: .LBB15_2: # %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: .LBB15_3: # %endblock -; 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 optsize { -; 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: -; 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_2 -; X64-NEXT: # %bb.1: # %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: je .LBB16_3 -; X64-NEXT: .LBB16_2: # %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: .LBB16_3: # %endblock -; 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 optsize { -; 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-SSE2-LABEL: length16_eq: -; X64-SSE2: # %bb.0: -; X64-SSE2-NEXT: movdqu (%rdi), %xmm0 -; X64-SSE2-NEXT: movdqu (%rsi), %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 optsize { -; 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 optsize { -; 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 optsize { -; X86-NOSSE-LABEL: length24_eq: -; X86-NOSSE: # %bb.0: -; X86-NOSSE-NEXT: pushl $0 -; X86-NOSSE-NEXT: pushl $24 -; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NOSSE-NEXT: calll memcmp -; X86-NOSSE-NEXT: addl $16, %esp -; X86-NOSSE-NEXT: testl %eax, %eax -; X86-NOSSE-NEXT: sete %al -; X86-NOSSE-NEXT: retl -; -; X86-SSE2-LABEL: length24_eq: -; X86-SSE2: # %bb.0: -; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax -; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx -; X86-SSE2-NEXT: movdqu (%ecx), %xmm0 -; X86-SSE2-NEXT: movdqu 8(%ecx), %xmm1 -; X86-SSE2-NEXT: movdqu (%eax), %xmm2 -; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2 -; X86-SSE2-NEXT: movdqu 8(%eax), %xmm0 -; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0 -; X86-SSE2-NEXT: pand %xmm2, %xmm0 -; X86-SSE2-NEXT: pmovmskb %xmm0, %eax -; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF -; X86-SSE2-NEXT: sete %al -; X86-SSE2-NEXT: retl -; -; X64-SSE2-LABEL: length24_eq: -; X64-SSE2: # %bb.0: -; X64-SSE2-NEXT: movdqu (%rdi), %xmm0 -; X64-SSE2-NEXT: movdqu (%rsi), %xmm1 -; X64-SSE2-NEXT: pcmpeqb %xmm0, %xmm1 -; X64-SSE2-NEXT: movq {{.*#+}} xmm0 = mem[0],zero -; X64-SSE2-NEXT: movq {{.*#+}} xmm2 = mem[0],zero -; X64-SSE2-NEXT: pcmpeqb %xmm0, %xmm2 -; X64-SSE2-NEXT: pand %xmm1, %xmm2 -; X64-SSE2-NEXT: pmovmskb %xmm2, %eax -; X64-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF -; X64-SSE2-NEXT: sete %al -; X64-SSE2-NEXT: retq -; -; X64-AVX2-LABEL: length24_eq: -; X64-AVX2: # %bb.0: -; X64-AVX2-NEXT: vmovdqu (%rdi), %xmm0 -; X64-AVX2-NEXT: vmovq {{.*#+}} xmm1 = mem[0],zero -; X64-AVX2-NEXT: vmovq {{.*#+}} xmm2 = mem[0],zero -; X64-AVX2-NEXT: vpcmpeqb %xmm2, %xmm1, %xmm1 -; X64-AVX2-NEXT: vpcmpeqb (%rsi), %xmm0, %xmm0 -; X64-AVX2-NEXT: vpand %xmm1, %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 - %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 optsize { -; X86-NOSSE-LABEL: length24_eq_const: -; X86-NOSSE: # %bb.0: -; X86-NOSSE-NEXT: pushl $0 -; X86-NOSSE-NEXT: pushl $24 -; X86-NOSSE-NEXT: pushl $.L.str -; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NOSSE-NEXT: calll memcmp -; X86-NOSSE-NEXT: addl $16, %esp -; X86-NOSSE-NEXT: testl %eax, %eax -; X86-NOSSE-NEXT: setne %al -; X86-NOSSE-NEXT: retl -; -; X86-SSE2-LABEL: length24_eq_const: -; X86-SSE2: # %bb.0: -; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax -; X86-SSE2-NEXT: movdqu (%eax), %xmm0 -; X86-SSE2-NEXT: movdqu 8(%eax), %xmm1 -; X86-SSE2-NEXT: pcmpeqb {{\.LCPI.*}}, %xmm1 -; X86-SSE2-NEXT: pcmpeqb {{\.LCPI.*}}, %xmm0 -; X86-SSE2-NEXT: pand %xmm1, %xmm0 -; X86-SSE2-NEXT: pmovmskb %xmm0, %eax -; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF -; X86-SSE2-NEXT: setne %al -; X86-SSE2-NEXT: retl -; -; X64-SSE2-LABEL: length24_eq_const: -; X64-SSE2: # %bb.0: -; X64-SSE2-NEXT: movdqu (%rdi), %xmm0 -; X64-SSE2-NEXT: movq {{.*#+}} xmm1 = mem[0],zero -; X64-SSE2-NEXT: pcmpeqb {{.*}}(%rip), %xmm1 -; X64-SSE2-NEXT: pcmpeqb {{.*}}(%rip), %xmm0 -; X64-SSE2-NEXT: pand %xmm1, %xmm0 -; X64-SSE2-NEXT: pmovmskb %xmm0, %eax -; X64-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF -; X64-SSE2-NEXT: setne %al -; X64-SSE2-NEXT: retq -; -; X64-AVX2-LABEL: length24_eq_const: -; X64-AVX2: # %bb.0: -; X64-AVX2-NEXT: vmovdqu (%rdi), %xmm0 -; X64-AVX2-NEXT: vmovq {{.*#+}} xmm1 = mem[0],zero -; X64-AVX2-NEXT: vpcmpeqb {{.*}}(%rip), %xmm1, %xmm1 -; X64-AVX2-NEXT: vpcmpeqb {{.*}}(%rip), %xmm0, %xmm0 -; X64-AVX2-NEXT: vpand %xmm1, %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 - %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 optsize { -; 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 optsize { -; X86-NOSSE-LABEL: length32_eq: -; X86-NOSSE: # %bb.0: -; X86-NOSSE-NEXT: pushl $0 -; X86-NOSSE-NEXT: pushl $32 -; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NOSSE-NEXT: calll memcmp -; X86-NOSSE-NEXT: addl $16, %esp -; X86-NOSSE-NEXT: testl %eax, %eax -; X86-NOSSE-NEXT: sete %al -; X86-NOSSE-NEXT: retl -; -; X86-SSE2-LABEL: length32_eq: -; X86-SSE2: # %bb.0: -; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax -; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx -; X86-SSE2-NEXT: movdqu (%ecx), %xmm0 -; X86-SSE2-NEXT: movdqu 16(%ecx), %xmm1 -; X86-SSE2-NEXT: movdqu (%eax), %xmm2 -; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2 -; X86-SSE2-NEXT: movdqu 16(%eax), %xmm0 -; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0 -; X86-SSE2-NEXT: pand %xmm2, %xmm0 -; X86-SSE2-NEXT: pmovmskb %xmm0, %eax -; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF -; X86-SSE2-NEXT: sete %al -; X86-SSE2-NEXT: retl -; -; X64-SSE2-LABEL: length32_eq: -; X64-SSE2: # %bb.0: -; X64-SSE2-NEXT: movdqu (%rdi), %xmm0 -; X64-SSE2-NEXT: movdqu 16(%rdi), %xmm1 -; X64-SSE2-NEXT: movdqu (%rsi), %xmm2 -; X64-SSE2-NEXT: pcmpeqb %xmm0, %xmm2 -; X64-SSE2-NEXT: movdqu 16(%rsi), %xmm0 -; X64-SSE2-NEXT: pcmpeqb %xmm1, %xmm0 -; X64-SSE2-NEXT: pand %xmm2, %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: 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 optsize { -; X86-NOSSE-LABEL: length32_eq_const: -; X86-NOSSE: # %bb.0: -; X86-NOSSE-NEXT: pushl $0 -; X86-NOSSE-NEXT: pushl $32 -; X86-NOSSE-NEXT: pushl $.L.str -; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NOSSE-NEXT: calll memcmp -; X86-NOSSE-NEXT: addl $16, %esp -; X86-NOSSE-NEXT: testl %eax, %eax -; X86-NOSSE-NEXT: setne %al -; X86-NOSSE-NEXT: retl -; -; X86-SSE2-LABEL: length32_eq_const: -; X86-SSE2: # %bb.0: -; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax -; X86-SSE2-NEXT: movdqu (%eax), %xmm0 -; X86-SSE2-NEXT: movdqu 16(%eax), %xmm1 -; X86-SSE2-NEXT: pcmpeqb {{\.LCPI.*}}, %xmm1 -; X86-SSE2-NEXT: pcmpeqb {{\.LCPI.*}}, %xmm0 -; X86-SSE2-NEXT: pand %xmm1, %xmm0 -; X86-SSE2-NEXT: pmovmskb %xmm0, %eax -; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF -; X86-SSE2-NEXT: setne %al -; X86-SSE2-NEXT: retl -; -; X64-SSE2-LABEL: length32_eq_const: -; X64-SSE2: # %bb.0: -; X64-SSE2-NEXT: movdqu (%rdi), %xmm0 -; X64-SSE2-NEXT: movdqu 16(%rdi), %xmm1 -; X64-SSE2-NEXT: pcmpeqb {{.*}}(%rip), %xmm1 -; X64-SSE2-NEXT: pcmpeqb {{.*}}(%rip), %xmm0 -; X64-SSE2-NEXT: pand %xmm1, %xmm0 -; X64-SSE2-NEXT: pmovmskb %xmm0, %eax -; X64-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF -; X64-SSE2-NEXT: setne %al -; 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 optsize { -; 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 optsize { -; 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-SSE2-LABEL: length64_eq: -; X64-SSE2: # %bb.0: -; X64-SSE2-NEXT: pushq %rax -; X64-SSE2-NEXT: movl $64, %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: length64_eq: -; X64-AVX2: # %bb.0: -; X64-AVX2-NEXT: vmovdqu (%rdi), %ymm0 -; X64-AVX2-NEXT: vmovdqu 32(%rdi), %ymm1 -; X64-AVX2-NEXT: vpcmpeqb 32(%rsi), %ymm1, %ymm1 -; X64-AVX2-NEXT: vpcmpeqb (%rsi), %ymm0, %ymm0 -; X64-AVX2-NEXT: vpand %ymm1, %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 - %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 optsize { -; 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-SSE2-LABEL: length64_eq_const: -; X64-SSE2: # %bb.0: -; X64-SSE2-NEXT: pushq %rax -; X64-SSE2-NEXT: movl $.L.str, %esi -; X64-SSE2-NEXT: movl $64, %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: length64_eq_const: -; X64-AVX2: # %bb.0: -; X64-AVX2-NEXT: vmovdqu (%rdi), %ymm0 -; X64-AVX2-NEXT: vmovdqu 32(%rdi), %ymm1 -; X64-AVX2-NEXT: vpcmpeqb {{.*}}(%rip), %ymm1, %ymm1 -; X64-AVX2-NEXT: vpcmpeqb {{.*}}(%rip), %ymm0, %ymm0 -; X64-AVX2-NEXT: vpand %ymm1, %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 - %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 -} - -define i32 @bcmp_length2(i8* %X, i8* %Y) nounwind optsize { -; X86-LABEL: bcmp_length2: -; X86: # %bb.0: -; X86-NEXT: movl {{[0-9]+}}(%esp), %eax -; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx -; X86-NEXT: movzwl (%ecx), %ecx -; X86-NEXT: movzwl (%eax), %edx -; X86-NEXT: rolw $8, %cx -; X86-NEXT: rolw $8, %dx -; X86-NEXT: movzwl %cx, %eax -; X86-NEXT: movzwl %dx, %ecx -; X86-NEXT: subl %ecx, %eax -; X86-NEXT: retl -; -; X64-LABEL: bcmp_length2: -; X64: # %bb.0: -; X64-NEXT: movzwl (%rdi), %eax -; X64-NEXT: movzwl (%rsi), %ecx -; X64-NEXT: rolw $8, %ax -; X64-NEXT: rolw $8, %cx -; X64-NEXT: movzwl %ax, %eax -; X64-NEXT: movzwl %cx, %ecx -; X64-NEXT: subl %ecx, %eax -; X64-NEXT: retq - %m = tail call i32 @bcmp(i8* %X, i8* %Y, i64 2) nounwind - ret i32 %m -} - |