forked from OSchip/llvm-project
378 lines
13 KiB
LLVM
378 lines
13 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-unknown | FileCheck %s --check-prefixes=X32,X32-NOSSE
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; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s --check-prefix=X64
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; RUN: llc < %s -mtriple=i686-unknown -mattr=+popcnt | FileCheck %s --check-prefix=X32-POPCNT
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; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+popcnt | FileCheck %s --check-prefix=X64-POPCNT
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; RUN: llc < %s -mtriple=i686-unknown -mattr=sse2 | FileCheck %s --check-prefixes=X32,X32-SSE2
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; RUN: llc < %s -mtriple=i686-unknown -mattr=ssse3 | FileCheck %s --check-prefixes=X32,X32-SSSE3
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define i8 @cnt8(i8 %x) nounwind readnone {
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; X32-LABEL: cnt8:
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; X32: # %bb.0:
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; X32-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X32-NEXT: movl %ecx, %eax
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; X32-NEXT: shrb %al
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; X32-NEXT: andb $85, %al
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; X32-NEXT: subb %al, %cl
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; X32-NEXT: movl %ecx, %eax
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; X32-NEXT: andb $51, %al
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; X32-NEXT: shrb $2, %cl
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; X32-NEXT: andb $51, %cl
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; X32-NEXT: addb %al, %cl
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; X32-NEXT: movl %ecx, %eax
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; X32-NEXT: shrb $4, %al
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; X32-NEXT: addb %cl, %al
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; X32-NEXT: andb $15, %al
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; X32-NEXT: retl
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;
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; X64-LABEL: cnt8:
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; X64: # %bb.0:
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; X64-NEXT: # kill: def $edi killed $edi def $rdi
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: shrb %al
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; X64-NEXT: andb $85, %al
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; X64-NEXT: subb %al, %dil
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: andb $51, %al
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; X64-NEXT: shrb $2, %dil
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; X64-NEXT: andb $51, %dil
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; X64-NEXT: addb %al, %dil
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: shrb $4, %al
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; X64-NEXT: addl %edi, %eax
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; X64-NEXT: andb $15, %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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;
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; X32-POPCNT-LABEL: cnt8:
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; X32-POPCNT: # %bb.0:
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; X32-POPCNT-NEXT: movzbl {{[0-9]+}}(%esp), %eax
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; X32-POPCNT-NEXT: popcntl %eax, %eax
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; X32-POPCNT-NEXT: # kill: def $al killed $al killed $eax
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; X32-POPCNT-NEXT: retl
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;
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; X64-POPCNT-LABEL: cnt8:
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; X64-POPCNT: # %bb.0:
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; X64-POPCNT-NEXT: movzbl %dil, %eax
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; X64-POPCNT-NEXT: popcntl %eax, %eax
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; X64-POPCNT-NEXT: # kill: def $al killed $al killed $eax
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; X64-POPCNT-NEXT: retq
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%cnt = tail call i8 @llvm.ctpop.i8(i8 %x)
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ret i8 %cnt
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}
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define i16 @cnt16(i16 %x) nounwind readnone {
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; X32-LABEL: cnt16:
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; X32: # %bb.0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: movl %eax, %ecx
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; X32-NEXT: shrl %ecx
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; X32-NEXT: andl $21845, %ecx # imm = 0x5555
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; X32-NEXT: subl %ecx, %eax
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; X32-NEXT: movl %eax, %ecx
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; X32-NEXT: andl $13107, %ecx # imm = 0x3333
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; X32-NEXT: shrl $2, %eax
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; X32-NEXT: andl $13107, %eax # imm = 0x3333
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; X32-NEXT: addl %ecx, %eax
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; X32-NEXT: movl %eax, %ecx
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; X32-NEXT: shrl $4, %ecx
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; X32-NEXT: addl %eax, %ecx
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; X32-NEXT: andl $3855, %ecx # imm = 0xF0F
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; X32-NEXT: movl %ecx, %eax
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; X32-NEXT: shll $8, %eax
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; X32-NEXT: addl %ecx, %eax
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; X32-NEXT: movzbl %ah, %eax
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; X32-NEXT: # kill: def $ax killed $ax killed $eax
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; X32-NEXT: retl
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;
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; X64-LABEL: cnt16:
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; X64: # %bb.0:
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: shrl %eax
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; X64-NEXT: andl $21845, %eax # imm = 0x5555
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; X64-NEXT: subl %eax, %edi
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: andl $13107, %eax # imm = 0x3333
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; X64-NEXT: shrl $2, %edi
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; X64-NEXT: andl $13107, %edi # imm = 0x3333
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; X64-NEXT: addl %eax, %edi
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: shrl $4, %eax
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; X64-NEXT: addl %edi, %eax
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; X64-NEXT: andl $3855, %eax # imm = 0xF0F
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; X64-NEXT: movl %eax, %ecx
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; X64-NEXT: shll $8, %ecx
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; X64-NEXT: addl %eax, %ecx
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; X64-NEXT: movzbl %ch, %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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;
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; X32-POPCNT-LABEL: cnt16:
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; X32-POPCNT: # %bb.0:
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; X32-POPCNT-NEXT: popcntw {{[0-9]+}}(%esp), %ax
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; X32-POPCNT-NEXT: retl
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;
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; X64-POPCNT-LABEL: cnt16:
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; X64-POPCNT: # %bb.0:
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; X64-POPCNT-NEXT: popcntw %di, %ax
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; X64-POPCNT-NEXT: retq
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%cnt = tail call i16 @llvm.ctpop.i16(i16 %x)
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ret i16 %cnt
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}
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define i32 @cnt32(i32 %x) nounwind readnone {
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; X32-LABEL: cnt32:
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; X32: # %bb.0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: movl %eax, %ecx
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; X32-NEXT: shrl %ecx
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; X32-NEXT: andl $1431655765, %ecx # imm = 0x55555555
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; X32-NEXT: subl %ecx, %eax
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; X32-NEXT: movl %eax, %ecx
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; X32-NEXT: andl $858993459, %ecx # imm = 0x33333333
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; X32-NEXT: shrl $2, %eax
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; X32-NEXT: andl $858993459, %eax # imm = 0x33333333
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; X32-NEXT: addl %ecx, %eax
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; X32-NEXT: movl %eax, %ecx
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; X32-NEXT: shrl $4, %ecx
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; X32-NEXT: addl %eax, %ecx
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; X32-NEXT: andl $252645135, %ecx # imm = 0xF0F0F0F
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; X32-NEXT: imull $16843009, %ecx, %eax # imm = 0x1010101
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; X32-NEXT: shrl $24, %eax
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; X32-NEXT: retl
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;
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; X64-LABEL: cnt32:
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; X64: # %bb.0:
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: shrl %eax
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; X64-NEXT: andl $1431655765, %eax # imm = 0x55555555
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; X64-NEXT: subl %eax, %edi
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: andl $858993459, %eax # imm = 0x33333333
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; X64-NEXT: shrl $2, %edi
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; X64-NEXT: andl $858993459, %edi # imm = 0x33333333
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; X64-NEXT: addl %eax, %edi
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: shrl $4, %eax
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; X64-NEXT: addl %edi, %eax
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; X64-NEXT: andl $252645135, %eax # imm = 0xF0F0F0F
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; X64-NEXT: imull $16843009, %eax, %eax # imm = 0x1010101
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; X64-NEXT: shrl $24, %eax
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; X64-NEXT: retq
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;
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; X32-POPCNT-LABEL: cnt32:
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; X32-POPCNT: # %bb.0:
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; X32-POPCNT-NEXT: popcntl {{[0-9]+}}(%esp), %eax
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; X32-POPCNT-NEXT: retl
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;
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; X64-POPCNT-LABEL: cnt32:
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; X64-POPCNT: # %bb.0:
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; X64-POPCNT-NEXT: popcntl %edi, %eax
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; X64-POPCNT-NEXT: retq
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%cnt = tail call i32 @llvm.ctpop.i32(i32 %x)
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ret i32 %cnt
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}
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define i64 @cnt64(i64 %x) nounwind readnone {
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; X32-NOSSE-LABEL: cnt64:
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; X32-NOSSE: # %bb.0:
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; X32-NOSSE-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NOSSE-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NOSSE-NEXT: movl %ecx, %edx
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; X32-NOSSE-NEXT: shrl %edx
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; X32-NOSSE-NEXT: andl $1431655765, %edx # imm = 0x55555555
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; X32-NOSSE-NEXT: subl %edx, %ecx
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; X32-NOSSE-NEXT: movl %ecx, %edx
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; X32-NOSSE-NEXT: andl $858993459, %edx # imm = 0x33333333
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; X32-NOSSE-NEXT: shrl $2, %ecx
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; X32-NOSSE-NEXT: andl $858993459, %ecx # imm = 0x33333333
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; X32-NOSSE-NEXT: addl %edx, %ecx
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; X32-NOSSE-NEXT: movl %ecx, %edx
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; X32-NOSSE-NEXT: shrl $4, %edx
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; X32-NOSSE-NEXT: addl %ecx, %edx
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; X32-NOSSE-NEXT: andl $252645135, %edx # imm = 0xF0F0F0F
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; X32-NOSSE-NEXT: imull $16843009, %edx, %ecx # imm = 0x1010101
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; X32-NOSSE-NEXT: shrl $24, %ecx
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; X32-NOSSE-NEXT: movl %eax, %edx
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; X32-NOSSE-NEXT: shrl %edx
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; X32-NOSSE-NEXT: andl $1431655765, %edx # imm = 0x55555555
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; X32-NOSSE-NEXT: subl %edx, %eax
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; X32-NOSSE-NEXT: movl %eax, %edx
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; X32-NOSSE-NEXT: andl $858993459, %edx # imm = 0x33333333
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; X32-NOSSE-NEXT: shrl $2, %eax
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; X32-NOSSE-NEXT: andl $858993459, %eax # imm = 0x33333333
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; X32-NOSSE-NEXT: addl %edx, %eax
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; X32-NOSSE-NEXT: movl %eax, %edx
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; X32-NOSSE-NEXT: shrl $4, %edx
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; X32-NOSSE-NEXT: addl %eax, %edx
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; X32-NOSSE-NEXT: andl $252645135, %edx # imm = 0xF0F0F0F
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; X32-NOSSE-NEXT: imull $16843009, %edx, %eax # imm = 0x1010101
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; X32-NOSSE-NEXT: shrl $24, %eax
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; X32-NOSSE-NEXT: addl %ecx, %eax
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; X32-NOSSE-NEXT: xorl %edx, %edx
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; X32-NOSSE-NEXT: retl
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;
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; X64-LABEL: cnt64:
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; X64: # %bb.0:
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; X64-NEXT: movq %rdi, %rax
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; X64-NEXT: shrq %rax
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; X64-NEXT: movabsq $6148914691236517205, %rcx # imm = 0x5555555555555555
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; X64-NEXT: andq %rax, %rcx
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; X64-NEXT: subq %rcx, %rdi
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; X64-NEXT: movabsq $3689348814741910323, %rax # imm = 0x3333333333333333
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; X64-NEXT: movq %rdi, %rcx
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; X64-NEXT: andq %rax, %rcx
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; X64-NEXT: shrq $2, %rdi
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; X64-NEXT: andq %rax, %rdi
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; X64-NEXT: addq %rcx, %rdi
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; X64-NEXT: movq %rdi, %rax
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; X64-NEXT: shrq $4, %rax
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; X64-NEXT: addq %rdi, %rax
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; X64-NEXT: movabsq $1085102592571150095, %rcx # imm = 0xF0F0F0F0F0F0F0F
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; X64-NEXT: andq %rax, %rcx
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; X64-NEXT: movabsq $72340172838076673, %rax # imm = 0x101010101010101
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; X64-NEXT: imulq %rcx, %rax
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; X64-NEXT: shrq $56, %rax
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; X64-NEXT: retq
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;
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; X32-POPCNT-LABEL: cnt64:
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; X32-POPCNT: # %bb.0:
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; X32-POPCNT-NEXT: popcntl {{[0-9]+}}(%esp), %ecx
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; X32-POPCNT-NEXT: popcntl {{[0-9]+}}(%esp), %eax
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; X32-POPCNT-NEXT: addl %ecx, %eax
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; X32-POPCNT-NEXT: xorl %edx, %edx
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; X32-POPCNT-NEXT: retl
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;
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; X64-POPCNT-LABEL: cnt64:
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; X64-POPCNT: # %bb.0:
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; X64-POPCNT-NEXT: popcntq %rdi, %rax
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; X64-POPCNT-NEXT: retq
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;
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; X32-SSE2-LABEL: cnt64:
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; X32-SSE2: # %bb.0:
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; X32-SSE2-NEXT: movq {{.*#+}} xmm0 = mem[0],zero
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; X32-SSE2-NEXT: movdqa %xmm0, %xmm1
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; X32-SSE2-NEXT: psrlw $1, %xmm1
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; X32-SSE2-NEXT: pand {{\.LCPI.*}}, %xmm1
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; X32-SSE2-NEXT: psubb %xmm1, %xmm0
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; X32-SSE2-NEXT: movdqa {{.*#+}} xmm1 = [51,51,51,51,51,51,51,51,51,51,51,51,51,51,51,51]
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; X32-SSE2-NEXT: movdqa %xmm0, %xmm2
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; X32-SSE2-NEXT: pand %xmm1, %xmm2
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; X32-SSE2-NEXT: psrlw $2, %xmm0
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; X32-SSE2-NEXT: pand %xmm1, %xmm0
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; X32-SSE2-NEXT: paddb %xmm2, %xmm0
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; X32-SSE2-NEXT: movdqa %xmm0, %xmm1
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; X32-SSE2-NEXT: psrlw $4, %xmm1
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; X32-SSE2-NEXT: paddb %xmm0, %xmm1
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; X32-SSE2-NEXT: pand {{\.LCPI.*}}, %xmm1
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; X32-SSE2-NEXT: pxor %xmm0, %xmm0
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; X32-SSE2-NEXT: psadbw %xmm1, %xmm0
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; X32-SSE2-NEXT: movd %xmm0, %eax
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; X32-SSE2-NEXT: xorl %edx, %edx
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; X32-SSE2-NEXT: retl
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;
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; X32-SSSE3-LABEL: cnt64:
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; X32-SSSE3: # %bb.0:
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; X32-SSSE3-NEXT: movdqa {{.*#+}} xmm0 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
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; X32-SSSE3-NEXT: movq {{.*#+}} xmm1 = mem[0],zero
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; X32-SSSE3-NEXT: movdqa %xmm1, %xmm2
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; X32-SSSE3-NEXT: pand %xmm0, %xmm2
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; X32-SSSE3-NEXT: movdqa {{.*#+}} xmm3 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
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; X32-SSSE3-NEXT: movdqa %xmm3, %xmm4
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; X32-SSSE3-NEXT: pshufb %xmm2, %xmm4
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; X32-SSSE3-NEXT: psrlw $4, %xmm1
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; X32-SSSE3-NEXT: pand %xmm0, %xmm1
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; X32-SSSE3-NEXT: pshufb %xmm1, %xmm3
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; X32-SSSE3-NEXT: paddb %xmm4, %xmm3
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; X32-SSSE3-NEXT: pxor %xmm0, %xmm0
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; X32-SSSE3-NEXT: psadbw %xmm3, %xmm0
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; X32-SSSE3-NEXT: movd %xmm0, %eax
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; X32-SSSE3-NEXT: xorl %edx, %edx
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; X32-SSSE3-NEXT: retl
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%cnt = tail call i64 @llvm.ctpop.i64(i64 %x)
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ret i64 %cnt
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}
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define i64 @cnt64_noimplicitfloat(i64 %x) nounwind readnone noimplicitfloat {
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; X32-LABEL: cnt64_noimplicitfloat:
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; X32: # %bb.0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: movl %ecx, %edx
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; X32-NEXT: shrl %edx
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; X32-NEXT: andl $1431655765, %edx # imm = 0x55555555
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; X32-NEXT: subl %edx, %ecx
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; X32-NEXT: movl %ecx, %edx
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; X32-NEXT: andl $858993459, %edx # imm = 0x33333333
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; X32-NEXT: shrl $2, %ecx
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; X32-NEXT: andl $858993459, %ecx # imm = 0x33333333
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; X32-NEXT: addl %edx, %ecx
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; X32-NEXT: movl %ecx, %edx
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; X32-NEXT: shrl $4, %edx
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; X32-NEXT: addl %ecx, %edx
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; X32-NEXT: andl $252645135, %edx # imm = 0xF0F0F0F
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; X32-NEXT: imull $16843009, %edx, %ecx # imm = 0x1010101
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; X32-NEXT: shrl $24, %ecx
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; X32-NEXT: movl %eax, %edx
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; X32-NEXT: shrl %edx
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; X32-NEXT: andl $1431655765, %edx # imm = 0x55555555
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; X32-NEXT: subl %edx, %eax
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; X32-NEXT: movl %eax, %edx
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; X32-NEXT: andl $858993459, %edx # imm = 0x33333333
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; X32-NEXT: shrl $2, %eax
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; X32-NEXT: andl $858993459, %eax # imm = 0x33333333
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; X32-NEXT: addl %edx, %eax
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; X32-NEXT: movl %eax, %edx
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; X32-NEXT: shrl $4, %edx
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; X32-NEXT: addl %eax, %edx
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; X32-NEXT: andl $252645135, %edx # imm = 0xF0F0F0F
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; X32-NEXT: imull $16843009, %edx, %eax # imm = 0x1010101
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; X32-NEXT: shrl $24, %eax
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; X32-NEXT: addl %ecx, %eax
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; X32-NEXT: xorl %edx, %edx
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; X32-NEXT: retl
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;
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; X64-LABEL: cnt64_noimplicitfloat:
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; X64: # %bb.0:
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; X64-NEXT: movq %rdi, %rax
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; X64-NEXT: shrq %rax
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; X64-NEXT: movabsq $6148914691236517205, %rcx # imm = 0x5555555555555555
|
|
; X64-NEXT: andq %rax, %rcx
|
|
; X64-NEXT: subq %rcx, %rdi
|
|
; X64-NEXT: movabsq $3689348814741910323, %rax # imm = 0x3333333333333333
|
|
; X64-NEXT: movq %rdi, %rcx
|
|
; X64-NEXT: andq %rax, %rcx
|
|
; X64-NEXT: shrq $2, %rdi
|
|
; X64-NEXT: andq %rax, %rdi
|
|
; X64-NEXT: addq %rcx, %rdi
|
|
; X64-NEXT: movq %rdi, %rax
|
|
; X64-NEXT: shrq $4, %rax
|
|
; X64-NEXT: addq %rdi, %rax
|
|
; X64-NEXT: movabsq $1085102592571150095, %rcx # imm = 0xF0F0F0F0F0F0F0F
|
|
; X64-NEXT: andq %rax, %rcx
|
|
; X64-NEXT: movabsq $72340172838076673, %rax # imm = 0x101010101010101
|
|
; X64-NEXT: imulq %rcx, %rax
|
|
; X64-NEXT: shrq $56, %rax
|
|
; X64-NEXT: retq
|
|
;
|
|
; X32-POPCNT-LABEL: cnt64_noimplicitfloat:
|
|
; X32-POPCNT: # %bb.0:
|
|
; X32-POPCNT-NEXT: popcntl {{[0-9]+}}(%esp), %ecx
|
|
; X32-POPCNT-NEXT: popcntl {{[0-9]+}}(%esp), %eax
|
|
; X32-POPCNT-NEXT: addl %ecx, %eax
|
|
; X32-POPCNT-NEXT: xorl %edx, %edx
|
|
; X32-POPCNT-NEXT: retl
|
|
;
|
|
; X64-POPCNT-LABEL: cnt64_noimplicitfloat:
|
|
; X64-POPCNT: # %bb.0:
|
|
; X64-POPCNT-NEXT: popcntq %rdi, %rax
|
|
; X64-POPCNT-NEXT: retq
|
|
%cnt = tail call i64 @llvm.ctpop.i64(i64 %x)
|
|
ret i64 %cnt
|
|
}
|
|
|
|
declare i8 @llvm.ctpop.i8(i8) nounwind readnone
|
|
declare i16 @llvm.ctpop.i16(i16) nounwind readnone
|
|
declare i32 @llvm.ctpop.i32(i32) nounwind readnone
|
|
declare i64 @llvm.ctpop.i64(i64) nounwind readnone
|