forked from OSchip/llvm-project
265 lines
7.5 KiB
LLVM
265 lines
7.5 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s --check-prefixes=CHECK,X86
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefixes=CHECK,X64
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declare i8 @llvm.fshr.i8(i8, i8, i8) nounwind readnone
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declare i16 @llvm.fshr.i16(i16, i16, i16) nounwind readnone
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declare i32 @llvm.fshr.i32(i32, i32, i32) nounwind readnone
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declare i64 @llvm.fshr.i64(i64, i64, i64) nounwind readnone
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;
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; Variable Funnel Shift
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;
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define i8 @var_shift_i8(i8 %x, i8 %y, i8 %z) nounwind {
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; X86-LABEL: var_shift_i8:
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; X86: # %bb.0:
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; X86-NEXT: movb {{[0-9]+}}(%esp), %ah
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; X86-NEXT: movb {{[0-9]+}}(%esp), %al
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; X86-NEXT: movb {{[0-9]+}}(%esp), %dl
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; X86-NEXT: andb $7, %dl
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; X86-NEXT: movb %al, %ch
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; X86-NEXT: movb %dl, %cl
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; X86-NEXT: shrb %cl, %ch
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; X86-NEXT: movb $8, %cl
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; X86-NEXT: subb %dl, %cl
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; X86-NEXT: shlb %cl, %ah
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; X86-NEXT: testb %dl, %dl
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; X86-NEXT: je .LBB0_2
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; X86-NEXT: # %bb.1:
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; X86-NEXT: orb %ch, %ah
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; X86-NEXT: movb %ah, %al
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; X86-NEXT: .LBB0_2:
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; X86-NEXT: retl
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;
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; X64-LABEL: var_shift_i8:
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; X64: # %bb.0:
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; X64-NEXT: movl %esi, %eax
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; X64-NEXT: andb $7, %dl
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; X64-NEXT: movl %edx, %ecx
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; X64-NEXT: shrb %cl, %sil
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; X64-NEXT: movb $8, %cl
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; X64-NEXT: subb %dl, %cl
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; X64-NEXT: shlb %cl, %dil
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; X64-NEXT: testb %dl, %dl
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; X64-NEXT: je .LBB0_2
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; X64-NEXT: # %bb.1:
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; X64-NEXT: orb %sil, %dil
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: .LBB0_2:
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; X64-NEXT: # kill: def $al killed $al killed $eax
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; X64-NEXT: retq
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%tmp = tail call i8 @llvm.fshr.i8(i8 %x, i8 %y, i8 %z)
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ret i8 %tmp
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}
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define i16 @var_shift_i16(i16 %x, i16 %y, i16 %z) nounwind {
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; X86-LABEL: var_shift_i16:
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; X86: # %bb.0:
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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: movzwl {{[0-9]+}}(%esp), %esi
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; X86-NEXT: movzwl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: andl $15, %ecx
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; X86-NEXT: movl %eax, %edx
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; X86-NEXT: shrdw %cl, %si, %dx
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; X86-NEXT: testw %cx, %cx
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; X86-NEXT: je .LBB1_2
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; X86-NEXT: # %bb.1:
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; X86-NEXT: movl %edx, %eax
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; X86-NEXT: .LBB1_2:
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; X86-NEXT: # kill: def $ax killed $ax killed $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: var_shift_i16:
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; X64: # %bb.0:
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; X64-NEXT: movl %edx, %ecx
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; X64-NEXT: andl $15, %ecx
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; X64-NEXT: movl %esi, %eax
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; X64-NEXT: shrdw %cl, %di, %ax
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; X64-NEXT: testw %cx, %cx
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; X64-NEXT: cmovel %esi, %eax
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; X64-NEXT: # kill: def $ax killed $ax killed $eax
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; X64-NEXT: retq
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%tmp = tail call i16 @llvm.fshr.i16(i16 %x, i16 %y, i16 %z)
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ret i16 %tmp
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}
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define i32 @var_shift_i32(i32 %x, i32 %y, i32 %z) nounwind {
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; X86-LABEL: var_shift_i32:
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; X86: # %bb.0:
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; X86-NEXT: pushl %esi
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; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
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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: andl $31, %ecx
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; X86-NEXT: movl %eax, %edx
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; X86-NEXT: shrdl %cl, %esi, %edx
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; X86-NEXT: testl %ecx, %ecx
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; X86-NEXT: je .LBB2_2
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; X86-NEXT: # %bb.1:
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; X86-NEXT: movl %edx, %eax
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; X86-NEXT: .LBB2_2:
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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: var_shift_i32:
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; X64: # %bb.0:
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; X64-NEXT: movl %edx, %ecx
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; X64-NEXT: andl $31, %ecx
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; X64-NEXT: movl %esi, %eax
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; X64-NEXT: shrdl %cl, %edi, %eax
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; X64-NEXT: testl %ecx, %ecx
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; X64-NEXT: cmovel %esi, %eax
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; X64-NEXT: retq
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%tmp = tail call i32 @llvm.fshr.i32(i32 %x, i32 %y, i32 %z)
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ret i32 %tmp
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}
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define i64 @var_shift_i64(i64 %x, i64 %y, i64 %z) nounwind {
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; X86-LABEL: var_shift_i64:
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; X86: # %bb.0:
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; X86-NEXT: pushl %ebp
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; X86-NEXT: pushl %ebx
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; X86-NEXT: pushl %edi
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; X86-NEXT: pushl %esi
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; X86-NEXT: pushl %eax
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movl %eax, (%esp) # 4-byte Spill
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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 {{[0-9]+}}(%esp), %ebx
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; X86-NEXT: andl $63, %ebx
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; X86-NEXT: movl $64, %ecx
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; X86-NEXT: subl %ebx, %ecx
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; X86-NEXT: movl %eax, %edi
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; X86-NEXT: shll %cl, %edi
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; X86-NEXT: shldl %cl, %eax, %esi
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; X86-NEXT: testb $32, %cl
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; X86-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X86-NEXT: je .LBB3_2
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; X86-NEXT: # %bb.1:
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; X86-NEXT: movl %edi, %esi
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; X86-NEXT: xorl %edi, %edi
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; X86-NEXT: .LBB3_2:
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; X86-NEXT: movl %edx, %ebp
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; X86-NEXT: movl %ebx, %ecx
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; X86-NEXT: shrl %cl, %ebp
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: shrdl %cl, %edx, %eax
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; X86-NEXT: testb $32, %bl
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; X86-NEXT: je .LBB3_4
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; X86-NEXT: # %bb.3:
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; X86-NEXT: movl %ebp, %eax
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; X86-NEXT: xorl %ebp, %ebp
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; X86-NEXT: .LBB3_4:
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; X86-NEXT: testl %ebx, %ebx
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; X86-NEXT: je .LBB3_6
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; X86-NEXT: # %bb.5:
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; X86-NEXT: orl %ebp, %esi
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; X86-NEXT: orl %eax, %edi
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; X86-NEXT: movl %edi, (%esp) # 4-byte Spill
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; X86-NEXT: movl %esi, %edx
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; X86-NEXT: .LBB3_6:
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; X86-NEXT: movl (%esp), %eax # 4-byte Reload
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; X86-NEXT: addl $4, %esp
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; X86-NEXT: popl %esi
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; X86-NEXT: popl %edi
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; X86-NEXT: popl %ebx
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; X86-NEXT: popl %ebp
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; X86-NEXT: retl
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;
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; X64-LABEL: var_shift_i64:
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; X64: # %bb.0:
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; X64-NEXT: movq %rdx, %rcx
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; X64-NEXT: andl $63, %ecx
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; X64-NEXT: movq %rsi, %rax
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; X64-NEXT: shrdq %cl, %rdi, %rax
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; X64-NEXT: testq %rcx, %rcx
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; X64-NEXT: cmoveq %rsi, %rax
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; X64-NEXT: retq
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%tmp = tail call i64 @llvm.fshr.i64(i64 %x, i64 %y, i64 %z)
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ret i64 %tmp
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}
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;
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; Const Funnel Shift
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;
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define i8 @const_shift_i8(i8 %x, i8 %y) nounwind {
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; X86-LABEL: const_shift_i8:
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; X86: # %bb.0:
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; X86-NEXT: movb {{[0-9]+}}(%esp), %al
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; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-NEXT: shrb $7, %cl
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; X86-NEXT: addb %al, %al
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; X86-NEXT: orb %cl, %al
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; X86-NEXT: retl
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;
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; X64-LABEL: const_shift_i8:
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; X64: # %bb.0:
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: shrb $7, %sil
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; X64-NEXT: addb %al, %al
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; X64-NEXT: orb %sil, %al
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; X64-NEXT: # kill: def $al killed $al killed $eax
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; X64-NEXT: retq
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%tmp = tail call i8 @llvm.fshr.i8(i8 %x, i8 %y, i8 7)
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ret i8 %tmp
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}
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define i16 @const_shift_i16(i16 %x, i16 %y) nounwind {
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; X86-LABEL: const_shift_i16:
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; X86: # %bb.0:
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; X86-NEXT: movzwl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: shldw $9, %cx, %ax
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; X86-NEXT: retl
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;
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; X64-LABEL: const_shift_i16:
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; X64: # %bb.0:
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: shldw $9, %si, %ax
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; X64-NEXT: # kill: def $ax killed $ax killed $eax
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; X64-NEXT: retq
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%tmp = tail call i16 @llvm.fshr.i16(i16 %x, i16 %y, i16 7)
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ret i16 %tmp
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}
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define i32 @const_shift_i32(i32 %x, i32 %y) nounwind {
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; X86-LABEL: const_shift_i32:
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; X86: # %bb.0:
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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: shldl $25, %ecx, %eax
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; X86-NEXT: retl
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;
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; X64-LABEL: const_shift_i32:
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; X64: # %bb.0:
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: shldl $25, %esi, %eax
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; X64-NEXT: retq
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%tmp = tail call i32 @llvm.fshr.i32(i32 %x, i32 %y, i32 7)
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ret i32 %tmp
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}
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define i64 @const_shift_i64(i64 %x, i64 %y) nounwind {
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; X86-LABEL: const_shift_i64:
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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 {{[0-9]+}}(%esp), %edx
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; X86-NEXT: shldl $25, %ecx, %edx
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; X86-NEXT: shrdl $7, %ecx, %eax
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; X86-NEXT: retl
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;
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; X64-LABEL: const_shift_i64:
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; X64: # %bb.0:
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; X64-NEXT: movq %rdi, %rax
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; X64-NEXT: shldq $57, %rsi, %rax
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; X64-NEXT: retq
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%tmp = tail call i64 @llvm.fshr.i64(i64 %x, i64 %y, i64 7)
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ret i64 %tmp
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}
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