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https://github.com/RPCS3/llvm-mirror.git
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335 lines
9.1 KiB
LLVM
335 lines
9.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-- | FileCheck %s --check-prefixes=X86,X86-BASE
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; RUN: llc < %s -mtriple=i686-- -mattr=movbe | FileCheck %s --check-prefixes=X86,X86-MOVBE
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; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s --check-prefixes=X64,X64-BASE
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; RUN: llc < %s -mtriple=x86_64-- -mattr=movbe | FileCheck %s --check-prefixes=X64,X64-MOVBE
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define i16 @foo(i16 %x, i16 %y, i16 %z) nounwind {
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; X86-LABEL: foo:
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; X86: # %bb.0:
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; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: rolw %cl, %ax
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; X86-NEXT: retl
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;
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; X64-LABEL: foo:
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; X64: # %bb.0:
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; X64-NEXT: movl %edx, %ecx
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: # kill: def $cl killed $cl killed $ecx
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; X64-NEXT: rolw %cl, %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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%t0 = shl i16 %x, %z
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%t1 = sub i16 16, %z
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%t2 = lshr i16 %x, %t1
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%t3 = or i16 %t2, %t0
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ret i16 %t3
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}
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define i16 @bar(i16 %x, i16 %y, i16 %z) nounwind {
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; X86-LABEL: bar:
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; X86: # %bb.0:
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; X86-NEXT: movzwl {{[0-9]+}}(%esp), %edx
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; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-NEXT: andb $15, %cl
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; X86-NEXT: shldw %cl, %dx, %ax
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; X86-NEXT: retl
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;
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; X64-LABEL: bar:
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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: andb $15, %cl
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; X64-NEXT: # kill: def $cl killed $cl killed $ecx
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; X64-NEXT: shldw %cl, %di, %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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%t0 = shl i16 %y, %z
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%t1 = sub i16 16, %z
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%t2 = lshr i16 %x, %t1
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%t3 = or i16 %t2, %t0
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ret i16 %t3
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}
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define i16 @un(i16 %x, i16 %y, i16 %z) nounwind {
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; X86-LABEL: un:
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; X86: # %bb.0:
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; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: rorw %cl, %ax
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; X86-NEXT: retl
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;
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; X64-LABEL: un:
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; X64: # %bb.0:
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; X64-NEXT: movl %edx, %ecx
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: # kill: def $cl killed $cl killed $ecx
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; X64-NEXT: rorw %cl, %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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%t0 = lshr i16 %x, %z
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%t1 = sub i16 16, %z
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%t2 = shl i16 %x, %t1
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%t3 = or i16 %t2, %t0
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ret i16 %t3
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}
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define i16 @bu(i16 %x, i16 %y, i16 %z) nounwind {
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; X86-LABEL: bu:
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; X86: # %bb.0:
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; X86-NEXT: movzwl {{[0-9]+}}(%esp), %edx
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; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-NEXT: andb $15, %cl
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; X86-NEXT: shrdw %cl, %dx, %ax
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; X86-NEXT: retl
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;
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; X64-LABEL: bu:
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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: andb $15, %cl
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; X64-NEXT: # kill: def $cl killed $cl killed $ecx
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; X64-NEXT: shrdw %cl, %di, %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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%t0 = lshr i16 %y, %z
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%t1 = sub i16 16, %z
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%t2 = shl i16 %x, %t1
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%t3 = or i16 %t2, %t0
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ret i16 %t3
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}
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define i16 @xfoo(i16 %x, i16 %y, i16 %z) nounwind {
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; X86-LABEL: xfoo:
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; X86: # %bb.0:
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; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: rolw $5, %ax
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; X86-NEXT: retl
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;
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; X64-LABEL: xfoo:
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; X64: # %bb.0:
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: rolw $5, %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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%t0 = lshr i16 %x, 11
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%t1 = shl i16 %x, 5
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%t2 = or i16 %t0, %t1
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ret i16 %t2
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}
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define i16 @xbar(i16 %x, i16 %y, i16 %z) nounwind {
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; X86-LABEL: xbar:
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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 $5, %cx, %ax
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; X86-NEXT: retl
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;
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; X64-LABEL: xbar:
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; X64: # %bb.0:
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; X64-NEXT: movl %esi, %eax
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; X64-NEXT: shldw $5, %di, %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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%t0 = shl i16 %y, 5
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%t1 = lshr i16 %x, 11
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%t2 = or i16 %t0, %t1
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ret i16 %t2
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}
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define i16 @xun(i16 %x, i16 %y, i16 %z) nounwind {
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; X86-LABEL: xun:
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; X86: # %bb.0:
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; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: rolw $11, %ax
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; X86-NEXT: retl
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;
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; X64-LABEL: xun:
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; X64: # %bb.0:
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: rolw $11, %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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%t0 = lshr i16 %x, 5
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%t1 = shl i16 %x, 11
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%t2 = or i16 %t0, %t1
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ret i16 %t2
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}
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define i16 @xbu(i16 %x, i16 %y, i16 %z) nounwind {
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; X86-LABEL: xbu:
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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 $11, %cx, %ax
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; X86-NEXT: retl
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;
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; X64-LABEL: xbu:
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; X64: # %bb.0:
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: shldw $11, %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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%t0 = lshr i16 %y, 5
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%t1 = shl i16 %x, 11
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%t2 = or i16 %t0, %t1
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ret i16 %t2
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}
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define i32 @rot16_demandedbits(i32 %x, i32 %y) nounwind {
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; X86-LABEL: rot16_demandedbits:
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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 %eax, %ecx
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; X86-NEXT: shrl $11, %ecx
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; X86-NEXT: shll $5, %eax
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; X86-NEXT: orl %ecx, %eax
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; X86-NEXT: movzwl %ax, %eax
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; X86-NEXT: retl
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;
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; X64-LABEL: rot16_demandedbits:
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; X64: # %bb.0:
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: shrl $11, %eax
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; X64-NEXT: shll $5, %edi
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; X64-NEXT: orl %eax, %edi
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; X64-NEXT: movzwl %di, %eax
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; X64-NEXT: retq
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%t0 = lshr i32 %x, 11
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%t1 = shl i32 %x, 5
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%t2 = or i32 %t0, %t1
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%t3 = and i32 %t2, 65535
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ret i32 %t3
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}
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define i16 @rot16_trunc(i32 %x, i32 %y) nounwind {
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; X86-LABEL: rot16_trunc:
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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 %eax, %ecx
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; X86-NEXT: shrl $11, %ecx
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; X86-NEXT: shll $5, %eax
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; X86-NEXT: orl %ecx, %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: rot16_trunc:
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; X64: # %bb.0:
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: movl %edi, %ecx
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; X64-NEXT: shrl $11, %ecx
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; X64-NEXT: shll $5, %eax
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; X64-NEXT: orl %ecx, %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 = lshr i32 %x, 11
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%t1 = shl i32 %x, 5
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%t2 = or i32 %t0, %t1
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%t3 = trunc i32 %t2 to i16
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ret i16 %t3
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}
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define i16 @rotate16(i16 %x) {
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; X86-BASE-LABEL: rotate16:
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; X86-BASE: # %bb.0:
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; X86-BASE-NEXT: movzwl {{[0-9]+}}(%esp), %eax
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; X86-BASE-NEXT: rolw $8, %ax
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; X86-BASE-NEXT: retl
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;
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; X86-MOVBE-LABEL: rotate16:
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; X86-MOVBE: # %bb.0:
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; X86-MOVBE-NEXT: movbew {{[0-9]+}}(%esp), %ax
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; X86-MOVBE-NEXT: retl
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;
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; X64-LABEL: rotate16:
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; X64: # %bb.0:
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: rolw $8, %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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%r = call i16 @llvm.fshl.i16(i16 %x, i16 %x, i16 8)
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ret i16 %r
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}
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; TODO: Should this always be rolw with memory operand?
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define void @rotate16_in_place_memory(i8* %p) {
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; X86-BASE-LABEL: rotate16_in_place_memory:
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; X86-BASE: # %bb.0:
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; X86-BASE-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-BASE-NEXT: rolw $8, (%eax)
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; X86-BASE-NEXT: retl
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;
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; X86-MOVBE-LABEL: rotate16_in_place_memory:
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; X86-MOVBE: # %bb.0:
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; X86-MOVBE-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-MOVBE-NEXT: movzwl (%eax), %ecx
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; X86-MOVBE-NEXT: movbew %cx, (%eax)
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; X86-MOVBE-NEXT: retl
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;
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; X64-BASE-LABEL: rotate16_in_place_memory:
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; X64-BASE: # %bb.0:
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; X64-BASE-NEXT: rolw $8, (%rdi)
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; X64-BASE-NEXT: retq
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;
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; X64-MOVBE-LABEL: rotate16_in_place_memory:
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; X64-MOVBE: # %bb.0:
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; X64-MOVBE-NEXT: movzwl (%rdi), %eax
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; X64-MOVBE-NEXT: movbew %ax, (%rdi)
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; X64-MOVBE-NEXT: retq
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%p0 = getelementptr i8, i8* %p, i64 0
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%p1 = getelementptr i8, i8* %p, i64 1
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%i0 = load i8, i8* %p0, align 1
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%i1 = load i8, i8* %p1, align 1
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store i8 %i1, i8* %p0, align 1
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store i8 %i0, i8* %p1, align 1
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ret void
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}
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define void @rotate16_memory(i8* %p, i8* %q) {
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; X86-BASE-LABEL: rotate16_memory:
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; X86-BASE: # %bb.0:
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; X86-BASE-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-BASE-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-BASE-NEXT: movzwl (%ecx), %ecx
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; X86-BASE-NEXT: rolw $8, %cx
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; X86-BASE-NEXT: movw %cx, (%eax)
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; X86-BASE-NEXT: retl
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;
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; X86-MOVBE-LABEL: rotate16_memory:
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; X86-MOVBE: # %bb.0:
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; X86-MOVBE-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-MOVBE-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-MOVBE-NEXT: movzwl (%ecx), %ecx
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; X86-MOVBE-NEXT: movbew %cx, (%eax)
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; X86-MOVBE-NEXT: retl
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;
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; X64-BASE-LABEL: rotate16_memory:
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; X64-BASE: # %bb.0:
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; X64-BASE-NEXT: movzwl (%rdi), %eax
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; X64-BASE-NEXT: rolw $8, %ax
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; X64-BASE-NEXT: movw %ax, (%rsi)
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; X64-BASE-NEXT: retq
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;
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; X64-MOVBE-LABEL: rotate16_memory:
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; X64-MOVBE: # %bb.0:
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; X64-MOVBE-NEXT: movzwl (%rdi), %eax
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; X64-MOVBE-NEXT: movbew %ax, (%rsi)
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; X64-MOVBE-NEXT: retq
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%p0 = getelementptr i8, i8* %p, i64 0
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%p1 = getelementptr i8, i8* %p, i64 1
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%q0 = getelementptr i8, i8* %q, i64 0
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%q1 = getelementptr i8, i8* %q, i64 1
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%i0 = load i8, i8* %p0, align 1
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%i1 = load i8, i8* %p1, align 1
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store i8 %i1, i8* %q0, align 1
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store i8 %i0, i8* %q1, align 1
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ret void
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}
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declare i16 @llvm.fshl.i16(i16, i16, i16)
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