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[X86] Pre-commit tests for D130862. NFC

This commit is contained in:
Craig Topper 2022-09-04 21:18:54 -07:00
parent 45e2809f71
commit 0d1d36cfa6
2 changed files with 62 additions and 3 deletions
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28
llvm/test/CodeGen/X86/divide-by-constant.ll
View File

@ -934,3 +934,31 @@ entry:
%rem = udiv i64 %x, 12
ret i64 %rem
}
define i64 @urem_i64_3_optsize(i64 %x) nounwind optsize {
; X32-LABEL: urem_i64_3_optsize:
; X32: # %bb.0: # %entry
; X32-NEXT: subl $12, %esp
; X32-NEXT: pushl $0
; X32-NEXT: pushl $3
; X32-NEXT: pushl {{[0-9]+}}(%esp)
; X32-NEXT: pushl {{[0-9]+}}(%esp)
; X32-NEXT: calll __umoddi3
; X32-NEXT: addl $28, %esp
; X32-NEXT: retl
;
; X64-LABEL: urem_i64_3_optsize:
; X64: # %bb.0: # %entry
; X64-NEXT: movabsq $-6148914691236517205, %rcx # imm = 0xAAAAAAAAAAAAAAAB
; X64-NEXT: movq %rdi, %rax
; X64-NEXT: mulq %rcx
; X64-NEXT: shrq %rdx
; X64-NEXT: leaq (%rdx,%rdx,2), %rax
; X64-NEXT: subq %rax, %rdi
; X64-NEXT: movq %rdi, %rax
; X64-NEXT: retq
entry:
%rem = urem i64 %x, 3
ret i64 %rem
}

37
llvm/test/CodeGen/X86/divmod128.ll
View File

@ -68,7 +68,7 @@ define i64 @umod128(i128 %x) nounwind {
; X86-64-LABEL: umod128:
; X86-64: # %bb.0:
; X86-64-NEXT: pushq %rax
; X86-64-NEXT: movl $3, %edx
; X86-64-NEXT: movl $11, %edx
; X86-64-NEXT: xorl %ecx, %ecx
; X86-64-NEXT: callq __umodti3@PLT
; X86-64-NEXT: popq %rcx
@ -79,7 +79,7 @@ define i64 @umod128(i128 %x) nounwind {
; WIN64-NEXT: subq $72, %rsp
; WIN64-NEXT: movq %rdx, {{[0-9]+}}(%rsp)
; WIN64-NEXT: movq %rcx, {{[0-9]+}}(%rsp)
; WIN64-NEXT: movq $3, {{[0-9]+}}(%rsp)
; WIN64-NEXT: movq $11, {{[0-9]+}}(%rsp)
; WIN64-NEXT: movq $0, {{[0-9]+}}(%rsp)
; WIN64-NEXT: leaq {{[0-9]+}}(%rsp), %rcx
; WIN64-NEXT: leaq {{[0-9]+}}(%rsp), %rdx
@ -89,7 +89,7 @@ define i64 @umod128(i128 %x) nounwind {
; WIN64-NEXT: retq
%1 = urem i128 %x, 3
%1 = urem i128 %x, 11
%2 = trunc i128 %1 to i64
ret i64 %2
}
@ -663,3 +663,34 @@ entry:
%rem = udiv i128 %x, 12
ret i128 %rem
}
define i128 @urem_i128_3_optsize(i128 %x) nounwind optsize {
; X86-64-LABEL: urem_i128_3_optsize:
; X86-64: # %bb.0: # %entry
; X86-64-NEXT: pushq %rax
; X86-64-NEXT: movl $3, %edx
; X86-64-NEXT: xorl %ecx, %ecx
; X86-64-NEXT: callq __umodti3@PLT
; X86-64-NEXT: popq %rcx
; X86-64-NEXT: retq
;
; WIN64-LABEL: urem_i128_3_optsize:
; WIN64: # %bb.0: # %entry
; WIN64-NEXT: subq $72, %rsp
; WIN64-NEXT: leaq {{[0-9]+}}(%rsp), %rax
; WIN64-NEXT: movq %rdx, 8(%rax)
; WIN64-NEXT: movq %rcx, (%rax)
; WIN64-NEXT: leaq {{[0-9]+}}(%rsp), %rdx
; WIN64-NEXT: movq $3, (%rdx)
; WIN64-NEXT: movq $0, 8(%rdx)
; WIN64-NEXT: movq %rax, %rcx
; WIN64-NEXT: callq __umodti3
; WIN64-NEXT: movq %xmm0, %rax
; WIN64-NEXT: pshufd {{.*#+}} xmm0 = xmm0[2,3,2,3]
; WIN64-NEXT: movq %xmm0, %rdx
; WIN64-NEXT: addq $72, %rsp
; WIN64-NEXT: retq
entry:
%rem = urem i128 %x, 3
ret i128 %rem
}