148 lines
4.8 KiB
LLVM
148 lines
4.8 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 -mattr=+sse,+sse2,+slow-lea,+slow-3ops-lea | FileCheck %s --check-prefixes=ALL,X86,X86-SLOWLEA
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; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse,+sse2,-slow-lea,-slow-3ops-lea | FileCheck %s --check-prefixes=ALL,X86,X86-FASTLEA
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse,+sse2,+slow-lea,+slow-3ops-lea | FileCheck %s --check-prefixes=ALL,X64
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse,+sse2,-slow-lea,-slow-3ops-lea | FileCheck %s --check-prefixes=ALL,X64
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; These two forms are equivalent:
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; sub %y, (xor %x, -1)
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; add (add %x, 1), %y
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; Some targets may prefer one to the other.
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define i8 @scalar_i8(i8 %x, i8 %y) nounwind {
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; X86-LABEL: scalar_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: addb {{[0-9]+}}(%esp), %al
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; X86-NEXT: incb %al
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; X86-NEXT: retl
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;
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; X64-LABEL: scalar_i8:
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; X64: # %bb.0:
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; X64-NEXT: # kill: def $esi killed $esi def $rsi
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; X64-NEXT: # kill: def $edi killed $edi def $rdi
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; X64-NEXT: leal (%rsi,%rdi), %eax
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; X64-NEXT: incb %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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%t0 = xor i8 %x, -1
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%t1 = sub i8 %y, %t0
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ret i8 %t1
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}
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define i16 @scalar_i16(i16 %x, i16 %y) nounwind {
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; X86-LABEL: scalar_i16:
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; X86: # %bb.0:
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; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: addw {{[0-9]+}}(%esp), %ax
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; X86-NEXT: incl %eax
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; X86-NEXT: # kill: def $ax killed $ax killed $eax
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; X86-NEXT: retl
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;
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; X64-LABEL: scalar_i16:
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; X64: # %bb.0:
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; X64-NEXT: # kill: def $esi killed $esi def $rsi
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; X64-NEXT: # kill: def $edi killed $edi def $rdi
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; X64-NEXT: leal 1(%rsi,%rdi), %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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%t0 = xor i16 %x, -1
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%t1 = sub i16 %y, %t0
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ret i16 %t1
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}
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define i32 @scalar_i32(i32 %x, i32 %y) nounwind {
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; X86-SLOWLEA-LABEL: scalar_i32:
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; X86-SLOWLEA: # %bb.0:
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; X86-SLOWLEA-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-SLOWLEA-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-SLOWLEA-NEXT: addl %ecx, %eax
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; X86-SLOWLEA-NEXT: addl $1, %eax
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; X86-SLOWLEA-NEXT: retl
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;
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; X86-FASTLEA-LABEL: scalar_i32:
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; X86-FASTLEA: # %bb.0:
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; X86-FASTLEA-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-FASTLEA-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-FASTLEA-NEXT: leal 1(%ecx,%eax), %eax
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; X86-FASTLEA-NEXT: retl
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;
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; X64-LABEL: scalar_i32:
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; X64: # %bb.0:
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; X64-NEXT: # kill: def $esi killed $esi def $rsi
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; X64-NEXT: # kill: def $edi killed $edi def $rdi
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; X64-NEXT: leal 1(%rsi,%rdi), %eax
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; X64-NEXT: retq
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%t0 = xor i32 %x, -1
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%t1 = sub i32 %y, %t0
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ret i32 %t1
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}
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define i64 @scalar_i64(i64 %x, i64 %y) nounwind {
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; X86-LABEL: scalar_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), %edx
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; X86-NEXT: addl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: adcl {{[0-9]+}}(%esp), %edx
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; X86-NEXT: addl $1, %eax
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; X86-NEXT: adcl $0, %edx
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; X86-NEXT: retl
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;
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; X64-LABEL: scalar_i64:
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; X64: # %bb.0:
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; X64-NEXT: leaq 1(%rsi,%rdi), %rax
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; X64-NEXT: retq
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%t0 = xor i64 %x, -1
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%t1 = sub i64 %y, %t0
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ret i64 %t1
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}
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define <16 x i8> @vector_i128_i8(<16 x i8> %x, <16 x i8> %y) nounwind {
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; ALL-LABEL: vector_i128_i8:
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; ALL: # %bb.0:
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; ALL-NEXT: paddb %xmm1, %xmm0
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; ALL-NEXT: pcmpeqd %xmm1, %xmm1
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; ALL-NEXT: psubb %xmm1, %xmm0
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; ALL-NEXT: ret{{[l|q]}}
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%t0 = xor <16 x i8> %x, <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>
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%t1 = sub <16 x i8> %y, %t0
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ret <16 x i8> %t1
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}
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define <8 x i16> @vector_i128_i16(<8 x i16> %x, <8 x i16> %y) nounwind {
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; ALL-LABEL: vector_i128_i16:
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; ALL: # %bb.0:
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; ALL-NEXT: paddw %xmm1, %xmm0
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; ALL-NEXT: pcmpeqd %xmm1, %xmm1
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; ALL-NEXT: psubw %xmm1, %xmm0
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; ALL-NEXT: ret{{[l|q]}}
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%t0 = xor <8 x i16> %x, <i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1>
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%t1 = sub <8 x i16> %y, %t0
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ret <8 x i16> %t1
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}
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define <4 x i32> @vector_i128_i32(<4 x i32> %x, <4 x i32> %y) nounwind {
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; ALL-LABEL: vector_i128_i32:
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; ALL: # %bb.0:
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; ALL-NEXT: paddd %xmm1, %xmm0
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; ALL-NEXT: pcmpeqd %xmm1, %xmm1
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; ALL-NEXT: psubd %xmm1, %xmm0
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; ALL-NEXT: ret{{[l|q]}}
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%t0 = xor <4 x i32> %x, <i32 -1, i32 -1, i32 -1, i32 -1>
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%t1 = sub <4 x i32> %y, %t0
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ret <4 x i32> %t1
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}
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define <2 x i64> @vector_i128_i64(<2 x i64> %x, <2 x i64> %y) nounwind {
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; ALL-LABEL: vector_i128_i64:
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; ALL: # %bb.0:
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; ALL-NEXT: paddq %xmm1, %xmm0
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; ALL-NEXT: pcmpeqd %xmm1, %xmm1
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; ALL-NEXT: psubq %xmm1, %xmm0
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; ALL-NEXT: ret{{[l|q]}}
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%t0 = xor <2 x i64> %x, <i64 -1, i64 -1>
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%t1 = sub <2 x i64> %y, %t0
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ret <2 x i64> %t1
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}
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