forked from OSchip/llvm-project
502 lines
16 KiB
LLVM
502 lines
16 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 | FileCheck %s --check-prefixes=CHECK,X86,X86-FAST
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; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+slow-shld | FileCheck %s --check-prefixes=CHECK,X86,X86-SLOW
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefixes=CHECK,X64,X64-FAST
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+slow-shld | FileCheck %s --check-prefixes=CHECK,X64,X64-SLOW
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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: andb $7, %dl
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; X64-NEXT: movl %esi, %eax
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; X64-NEXT: movl %edx, %ecx
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; X64-NEXT: shrb %cl, %al
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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: orb %al, %dil
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; X64-NEXT: movzbl %dil, %eax
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; X64-NEXT: testb %dl, %dl
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; X64-NEXT: cmovel %esi, %eax
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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-FAST-LABEL: var_shift_i16:
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; X86-FAST: # %bb.0:
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; X86-FAST-NEXT: movzwl {{[0-9]+}}(%esp), %edx
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; X86-FAST-NEXT: movzwl {{[0-9]+}}(%esp), %eax
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; X86-FAST-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-FAST-NEXT: andb $15, %cl
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; X86-FAST-NEXT: shrdw %cl, %dx, %ax
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; X86-FAST-NEXT: retl
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;
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; X86-SLOW-LABEL: var_shift_i16:
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; X86-SLOW: # %bb.0:
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; X86-SLOW-NEXT: pushl %edi
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; X86-SLOW-NEXT: pushl %esi
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; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %esi
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; X86-SLOW-NEXT: movb {{[0-9]+}}(%esp), %dl
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; X86-SLOW-NEXT: andb $15, %dl
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; X86-SLOW-NEXT: movzwl {{[0-9]+}}(%esp), %eax
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; X86-SLOW-NEXT: movl %eax, %edi
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; X86-SLOW-NEXT: movl %edx, %ecx
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; X86-SLOW-NEXT: shrl %cl, %edi
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; X86-SLOW-NEXT: movb $16, %cl
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; X86-SLOW-NEXT: subb %dl, %cl
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; X86-SLOW-NEXT: shll %cl, %esi
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; X86-SLOW-NEXT: testb %dl, %dl
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; X86-SLOW-NEXT: je .LBB1_2
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; X86-SLOW-NEXT: # %bb.1:
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; X86-SLOW-NEXT: orl %edi, %esi
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; X86-SLOW-NEXT: movl %esi, %eax
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; X86-SLOW-NEXT: .LBB1_2:
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; X86-SLOW-NEXT: # kill: def $ax killed $ax killed $eax
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; X86-SLOW-NEXT: popl %esi
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; X86-SLOW-NEXT: popl %edi
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; X86-SLOW-NEXT: retl
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;
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; X64-FAST-LABEL: var_shift_i16:
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; X64-FAST: # %bb.0:
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; X64-FAST-NEXT: movl %edx, %ecx
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; X64-FAST-NEXT: movl %esi, %eax
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; X64-FAST-NEXT: andb $15, %cl
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; X64-FAST-NEXT: # kill: def $cl killed $cl killed $ecx
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; X64-FAST-NEXT: shrdw %cl, %di, %ax
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; X64-FAST-NEXT: # kill: def $ax killed $ax killed $eax
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; X64-FAST-NEXT: retq
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;
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; X64-SLOW-LABEL: var_shift_i16:
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; X64-SLOW: # %bb.0:
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; X64-SLOW-NEXT: movzwl %si, %eax
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; X64-SLOW-NEXT: andb $15, %dl
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; X64-SLOW-NEXT: movl %edx, %ecx
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; X64-SLOW-NEXT: shrl %cl, %eax
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; X64-SLOW-NEXT: movb $16, %cl
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; X64-SLOW-NEXT: subb %dl, %cl
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; X64-SLOW-NEXT: shll %cl, %edi
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; X64-SLOW-NEXT: orl %edi, %eax
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; X64-SLOW-NEXT: testb %dl, %dl
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; X64-SLOW-NEXT: cmovel %esi, %eax
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; X64-SLOW-NEXT: # kill: def $ax killed $ax killed $eax
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; X64-SLOW-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-FAST-LABEL: var_shift_i32:
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; X86-FAST: # %bb.0:
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; X86-FAST-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-FAST-NEXT: shrdl %cl, %edx, %eax
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; X86-FAST-NEXT: retl
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;
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; X86-SLOW-LABEL: var_shift_i32:
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; X86-SLOW: # %bb.0:
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; X86-SLOW-NEXT: pushl %edi
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; X86-SLOW-NEXT: pushl %esi
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; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %esi
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; X86-SLOW-NEXT: movb {{[0-9]+}}(%esp), %dl
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; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-SLOW-NEXT: movl %eax, %edi
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; X86-SLOW-NEXT: movl %edx, %ecx
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; X86-SLOW-NEXT: shrl %cl, %edi
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; X86-SLOW-NEXT: andb $31, %dl
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; X86-SLOW-NEXT: movl %edx, %ecx
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; X86-SLOW-NEXT: negb %cl
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; X86-SLOW-NEXT: shll %cl, %esi
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; X86-SLOW-NEXT: testb %dl, %dl
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; X86-SLOW-NEXT: je .LBB2_2
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; X86-SLOW-NEXT: # %bb.1:
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; X86-SLOW-NEXT: orl %edi, %esi
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; X86-SLOW-NEXT: movl %esi, %eax
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; X86-SLOW-NEXT: .LBB2_2:
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; X86-SLOW-NEXT: popl %esi
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; X86-SLOW-NEXT: popl %edi
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; X86-SLOW-NEXT: retl
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;
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; X64-FAST-LABEL: var_shift_i32:
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; X64-FAST: # %bb.0:
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; X64-FAST-NEXT: movl %edx, %ecx
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; X64-FAST-NEXT: movl %esi, %eax
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; X64-FAST-NEXT: # kill: def $cl killed $cl killed $ecx
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; X64-FAST-NEXT: shrdl %cl, %edi, %eax
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; X64-FAST-NEXT: retq
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;
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; X64-SLOW-LABEL: var_shift_i32:
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; X64-SLOW: # %bb.0:
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; X64-SLOW-NEXT: movl %edi, %eax
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; X64-SLOW-NEXT: movl %esi, %edi
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; X64-SLOW-NEXT: movl %edx, %ecx
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; X64-SLOW-NEXT: shrl %cl, %edi
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; X64-SLOW-NEXT: andb $31, %dl
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; X64-SLOW-NEXT: movl %edx, %ecx
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; X64-SLOW-NEXT: negb %cl
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; X64-SLOW-NEXT: shll %cl, %eax
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; X64-SLOW-NEXT: orl %edi, %eax
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; X64-SLOW-NEXT: testb %dl, %dl
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; X64-SLOW-NEXT: cmovel %esi, %eax
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; X64-SLOW-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 i32 @var_shift_i32_optsize(i32 %x, i32 %y, i32 %z) nounwind optsize {
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; X86-LABEL: var_shift_i32_optsize:
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; X86: # %bb.0:
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; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-NEXT: movl {{[0-9]+}}(%esp), %edx
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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: retl
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;
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; X64-LABEL: var_shift_i32_optsize:
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; X64: # %bb.0:
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; X64-NEXT: movl %edx, %ecx
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; X64-NEXT: movl %esi, %eax
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; X64-NEXT: # kill: def $cl killed $cl killed $ecx
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; X64-NEXT: shrdl %cl, %edi, %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-FAST-LABEL: var_shift_i64:
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; X86-FAST: # %bb.0:
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; X86-FAST-NEXT: pushl %ebp
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; X86-FAST-NEXT: pushl %ebx
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; X86-FAST-NEXT: pushl %edi
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; X86-FAST-NEXT: pushl %esi
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; X86-FAST-NEXT: pushl %eax
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; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-FAST-NEXT: movl %eax, (%esp) # 4-byte Spill
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; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %esi
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; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %ebx
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; X86-FAST-NEXT: andl $63, %ebx
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; X86-FAST-NEXT: movb $64, %cl
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; X86-FAST-NEXT: subb %bl, %cl
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; X86-FAST-NEXT: movl %eax, %edi
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; X86-FAST-NEXT: shll %cl, %edi
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; X86-FAST-NEXT: shldl %cl, %eax, %esi
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; X86-FAST-NEXT: testb $32, %cl
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; X86-FAST-NEXT: je .LBB4_2
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; X86-FAST-NEXT: # %bb.1:
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; X86-FAST-NEXT: movl %edi, %esi
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; X86-FAST-NEXT: xorl %edi, %edi
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; X86-FAST-NEXT: .LBB4_2:
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; X86-FAST-NEXT: movl %edx, %ebp
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; X86-FAST-NEXT: movl %ebx, %ecx
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; X86-FAST-NEXT: shrl %cl, %ebp
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; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-FAST-NEXT: shrdl %cl, %edx, %eax
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; X86-FAST-NEXT: testb $32, %bl
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; X86-FAST-NEXT: je .LBB4_4
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; X86-FAST-NEXT: # %bb.3:
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; X86-FAST-NEXT: movl %ebp, %eax
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; X86-FAST-NEXT: xorl %ebp, %ebp
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; X86-FAST-NEXT: .LBB4_4:
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; X86-FAST-NEXT: testl %ebx, %ebx
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; X86-FAST-NEXT: je .LBB4_6
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; X86-FAST-NEXT: # %bb.5:
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; X86-FAST-NEXT: orl %ebp, %esi
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; X86-FAST-NEXT: orl %eax, %edi
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; X86-FAST-NEXT: movl %edi, (%esp) # 4-byte Spill
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; X86-FAST-NEXT: movl %esi, %edx
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; X86-FAST-NEXT: .LBB4_6:
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; X86-FAST-NEXT: movl (%esp), %eax # 4-byte Reload
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; X86-FAST-NEXT: addl $4, %esp
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; X86-FAST-NEXT: popl %esi
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; X86-FAST-NEXT: popl %edi
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; X86-FAST-NEXT: popl %ebx
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; X86-FAST-NEXT: popl %ebp
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; X86-FAST-NEXT: retl
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;
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; X86-SLOW-LABEL: var_shift_i64:
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; X86-SLOW: # %bb.0:
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; X86-SLOW-NEXT: pushl %ebp
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; X86-SLOW-NEXT: pushl %ebx
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; X86-SLOW-NEXT: pushl %edi
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; X86-SLOW-NEXT: pushl %esi
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; X86-SLOW-NEXT: subl $8, %esp
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; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-SLOW-NEXT: movl %eax, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
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; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %esi
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; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %ebx
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; X86-SLOW-NEXT: andl $63, %ebx
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; X86-SLOW-NEXT: movb $64, %al
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; X86-SLOW-NEXT: subb %bl, %al
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; X86-SLOW-NEXT: movl %edx, (%esp) # 4-byte Spill
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; X86-SLOW-NEXT: movl %eax, %ecx
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; X86-SLOW-NEXT: shll %cl, %edx
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; X86-SLOW-NEXT: movb %al, %ch
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; X86-SLOW-NEXT: andb $31, %ch
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; X86-SLOW-NEXT: movb %ch, %cl
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; X86-SLOW-NEXT: negb %cl
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; X86-SLOW-NEXT: movl %esi, %edi
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; X86-SLOW-NEXT: shrl %cl, %edi
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; X86-SLOW-NEXT: testb %ch, %ch
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; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %ebp
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; X86-SLOW-NEXT: je .LBB4_2
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; X86-SLOW-NEXT: # %bb.1:
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; X86-SLOW-NEXT: orl %edi, %edx
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; X86-SLOW-NEXT: movl %edx, (%esp) # 4-byte Spill
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; X86-SLOW-NEXT: .LBB4_2:
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; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-SLOW-NEXT: movl %ecx, %edx
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; X86-SLOW-NEXT: movl %ebx, %ecx
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; X86-SLOW-NEXT: shrl %cl, %edx
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; X86-SLOW-NEXT: movb %bl, %ah
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; X86-SLOW-NEXT: andb $31, %ah
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; X86-SLOW-NEXT: movb %ah, %cl
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; X86-SLOW-NEXT: negb %cl
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; X86-SLOW-NEXT: movl %ebp, %edi
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; X86-SLOW-NEXT: shll %cl, %edi
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; X86-SLOW-NEXT: testb %ah, %ah
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; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %ebp
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; X86-SLOW-NEXT: je .LBB4_4
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; X86-SLOW-NEXT: # %bb.3:
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; X86-SLOW-NEXT: orl %edx, %edi
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; X86-SLOW-NEXT: movl %edi, %ebp
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; X86-SLOW-NEXT: .LBB4_4:
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; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %edi
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; X86-SLOW-NEXT: movl %ebx, %ecx
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; X86-SLOW-NEXT: shrl %cl, %edi
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; X86-SLOW-NEXT: testb $32, %bl
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; X86-SLOW-NEXT: je .LBB4_6
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; X86-SLOW-NEXT: # %bb.5:
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; X86-SLOW-NEXT: movl %edi, %ebp
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; X86-SLOW-NEXT: xorl %edi, %edi
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; X86-SLOW-NEXT: .LBB4_6:
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; X86-SLOW-NEXT: movl %eax, %ecx
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; X86-SLOW-NEXT: shll %cl, %esi
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; X86-SLOW-NEXT: testb $32, %al
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; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X86-SLOW-NEXT: jne .LBB4_7
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; X86-SLOW-NEXT: # %bb.8:
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; X86-SLOW-NEXT: movl (%esp), %eax # 4-byte Reload
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; X86-SLOW-NEXT: testl %ebx, %ebx
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; X86-SLOW-NEXT: jne .LBB4_10
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; X86-SLOW-NEXT: jmp .LBB4_11
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; X86-SLOW-NEXT: .LBB4_7:
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; X86-SLOW-NEXT: movl %esi, %eax
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; X86-SLOW-NEXT: xorl %esi, %esi
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; X86-SLOW-NEXT: testl %ebx, %ebx
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; X86-SLOW-NEXT: je .LBB4_11
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; X86-SLOW-NEXT: .LBB4_10:
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; X86-SLOW-NEXT: orl %ebp, %esi
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; X86-SLOW-NEXT: orl %edi, %eax
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; X86-SLOW-NEXT: movl %esi, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
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; X86-SLOW-NEXT: movl %eax, %edx
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; X86-SLOW-NEXT: .LBB4_11:
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; X86-SLOW-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %eax # 4-byte Reload
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; X86-SLOW-NEXT: addl $8, %esp
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; X86-SLOW-NEXT: popl %esi
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; X86-SLOW-NEXT: popl %edi
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; X86-SLOW-NEXT: popl %ebx
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; X86-SLOW-NEXT: popl %ebp
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; X86-SLOW-NEXT: retl
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;
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; X64-FAST-LABEL: var_shift_i64:
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; X64-FAST: # %bb.0:
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; X64-FAST-NEXT: movq %rdx, %rcx
|
|
; X64-FAST-NEXT: movq %rsi, %rax
|
|
; X64-FAST-NEXT: # kill: def $cl killed $cl killed $rcx
|
|
; X64-FAST-NEXT: shrdq %cl, %rdi, %rax
|
|
; X64-FAST-NEXT: retq
|
|
;
|
|
; X64-SLOW-LABEL: var_shift_i64:
|
|
; X64-SLOW: # %bb.0:
|
|
; X64-SLOW-NEXT: movq %rdi, %rax
|
|
; X64-SLOW-NEXT: movq %rsi, %rdi
|
|
; X64-SLOW-NEXT: movl %edx, %ecx
|
|
; X64-SLOW-NEXT: shrq %cl, %rdi
|
|
; X64-SLOW-NEXT: andb $63, %dl
|
|
; X64-SLOW-NEXT: movl %edx, %ecx
|
|
; X64-SLOW-NEXT: negb %cl
|
|
; X64-SLOW-NEXT: shlq %cl, %rax
|
|
; X64-SLOW-NEXT: orq %rdi, %rax
|
|
; X64-SLOW-NEXT: testb %dl, %dl
|
|
; X64-SLOW-NEXT: cmoveq %rsi, %rax
|
|
; X64-SLOW-NEXT: retq
|
|
%tmp = tail call i64 @llvm.fshr.i64(i64 %x, i64 %y, i64 %z)
|
|
ret i64 %tmp
|
|
}
|
|
|
|
;
|
|
; Const Funnel Shift
|
|
;
|
|
|
|
define i8 @const_shift_i8(i8 %x, i8 %y) nounwind {
|
|
; X86-LABEL: const_shift_i8:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NEXT: shrb $7, %cl
|
|
; X86-NEXT: addb %al, %al
|
|
; X86-NEXT: orb %cl, %al
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: const_shift_i8:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: # kill: def $edi killed $edi def $rdi
|
|
; X64-NEXT: shrb $7, %sil
|
|
; X64-NEXT: leal (%rdi,%rdi), %eax
|
|
; X64-NEXT: orb %sil, %al
|
|
; X64-NEXT: # kill: def $al killed $al killed $eax
|
|
; X64-NEXT: retq
|
|
%tmp = tail call i8 @llvm.fshr.i8(i8 %x, i8 %y, i8 7)
|
|
ret i8 %tmp
|
|
}
|
|
|
|
define i16 @const_shift_i16(i16 %x, i16 %y) nounwind {
|
|
; X86-FAST-LABEL: const_shift_i16:
|
|
; X86-FAST: # %bb.0:
|
|
; X86-FAST-NEXT: movzwl {{[0-9]+}}(%esp), %ecx
|
|
; X86-FAST-NEXT: movzwl {{[0-9]+}}(%esp), %eax
|
|
; X86-FAST-NEXT: shrdw $7, %cx, %ax
|
|
; X86-FAST-NEXT: retl
|
|
;
|
|
; X86-SLOW-LABEL: const_shift_i16:
|
|
; X86-SLOW: # %bb.0:
|
|
; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-SLOW-NEXT: movzwl {{[0-9]+}}(%esp), %ecx
|
|
; X86-SLOW-NEXT: shrl $7, %ecx
|
|
; X86-SLOW-NEXT: shll $9, %eax
|
|
; X86-SLOW-NEXT: orl %ecx, %eax
|
|
; X86-SLOW-NEXT: # kill: def $ax killed $ax killed $eax
|
|
; X86-SLOW-NEXT: retl
|
|
;
|
|
; X64-FAST-LABEL: const_shift_i16:
|
|
; X64-FAST: # %bb.0:
|
|
; X64-FAST-NEXT: movl %esi, %eax
|
|
; X64-FAST-NEXT: shrdw $7, %di, %ax
|
|
; X64-FAST-NEXT: # kill: def $ax killed $ax killed $eax
|
|
; X64-FAST-NEXT: retq
|
|
;
|
|
; X64-SLOW-LABEL: const_shift_i16:
|
|
; X64-SLOW: # %bb.0:
|
|
; X64-SLOW-NEXT: movzwl %si, %eax
|
|
; X64-SLOW-NEXT: shll $9, %edi
|
|
; X64-SLOW-NEXT: shrl $7, %eax
|
|
; X64-SLOW-NEXT: orl %edi, %eax
|
|
; X64-SLOW-NEXT: # kill: def $ax killed $ax killed $eax
|
|
; X64-SLOW-NEXT: retq
|
|
%tmp = tail call i16 @llvm.fshr.i16(i16 %x, i16 %y, i16 7)
|
|
ret i16 %tmp
|
|
}
|
|
|
|
define i32 @const_shift_i32(i32 %x, i32 %y) nounwind {
|
|
; X86-FAST-LABEL: const_shift_i32:
|
|
; X86-FAST: # %bb.0:
|
|
; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-FAST-NEXT: shrdl $7, %ecx, %eax
|
|
; X86-FAST-NEXT: retl
|
|
;
|
|
; X86-SLOW-LABEL: const_shift_i32:
|
|
; X86-SLOW: # %bb.0:
|
|
; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-SLOW-NEXT: shrl $7, %ecx
|
|
; X86-SLOW-NEXT: shll $25, %eax
|
|
; X86-SLOW-NEXT: orl %ecx, %eax
|
|
; X86-SLOW-NEXT: retl
|
|
;
|
|
; X64-FAST-LABEL: const_shift_i32:
|
|
; X64-FAST: # %bb.0:
|
|
; X64-FAST-NEXT: movl %edi, %eax
|
|
; X64-FAST-NEXT: shldl $25, %esi, %eax
|
|
; X64-FAST-NEXT: retq
|
|
;
|
|
; X64-SLOW-LABEL: const_shift_i32:
|
|
; X64-SLOW: # %bb.0:
|
|
; X64-SLOW-NEXT: # kill: def $esi killed $esi def $rsi
|
|
; X64-SLOW-NEXT: # kill: def $edi killed $edi def $rdi
|
|
; X64-SLOW-NEXT: shrl $7, %esi
|
|
; X64-SLOW-NEXT: shll $25, %edi
|
|
; X64-SLOW-NEXT: leal (%rdi,%rsi), %eax
|
|
; X64-SLOW-NEXT: retq
|
|
%tmp = tail call i32 @llvm.fshr.i32(i32 %x, i32 %y, i32 7)
|
|
ret i32 %tmp
|
|
}
|
|
|
|
define i64 @const_shift_i64(i64 %x, i64 %y) nounwind {
|
|
; X86-FAST-LABEL: const_shift_i64:
|
|
; X86-FAST: # %bb.0:
|
|
; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-FAST-NEXT: shldl $25, %ecx, %edx
|
|
; X86-FAST-NEXT: shrdl $7, %ecx, %eax
|
|
; X86-FAST-NEXT: retl
|
|
;
|
|
; X86-SLOW-LABEL: const_shift_i64:
|
|
; X86-SLOW: # %bb.0:
|
|
; X86-SLOW-NEXT: pushl %esi
|
|
; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-SLOW-NEXT: movl %ecx, %esi
|
|
; X86-SLOW-NEXT: shll $25, %esi
|
|
; X86-SLOW-NEXT: shrl $7, %eax
|
|
; X86-SLOW-NEXT: orl %esi, %eax
|
|
; X86-SLOW-NEXT: shrl $7, %ecx
|
|
; X86-SLOW-NEXT: shll $25, %edx
|
|
; X86-SLOW-NEXT: orl %ecx, %edx
|
|
; X86-SLOW-NEXT: popl %esi
|
|
; X86-SLOW-NEXT: retl
|
|
;
|
|
; X64-FAST-LABEL: const_shift_i64:
|
|
; X64-FAST: # %bb.0:
|
|
; X64-FAST-NEXT: movq %rdi, %rax
|
|
; X64-FAST-NEXT: shldq $57, %rsi, %rax
|
|
; X64-FAST-NEXT: retq
|
|
;
|
|
; X64-SLOW-LABEL: const_shift_i64:
|
|
; X64-SLOW: # %bb.0:
|
|
; X64-SLOW-NEXT: shrq $7, %rsi
|
|
; X64-SLOW-NEXT: shlq $57, %rdi
|
|
; X64-SLOW-NEXT: leaq (%rdi,%rsi), %rax
|
|
; X64-SLOW-NEXT: retq
|
|
%tmp = tail call i64 @llvm.fshr.i64(i64 %x, i64 %y, i64 7)
|
|
ret i64 %tmp
|
|
}
|