forked from OSchip/llvm-project
1118 lines
28 KiB
LLVM
1118 lines
28 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-pc-linux | FileCheck %s --check-prefix=X64
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; RUN: llc < %s -mtriple=i386-pc-linux | FileCheck %s --check-prefix=X86
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; FIXME: We don't match this properly due to different size of 'rotate' and 'and'
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define i16 @btr_16(i16 %x, i16 %n) {
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; X64-LABEL: btr_16:
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; X64: # %bb.0:
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; X64-NEXT: movl %esi, %ecx
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; X64-NEXT: movw $-2, %ax
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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: andl %edi, %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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; X86-LABEL: btr_16:
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; X86: # %bb.0:
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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: btrw %cx, %ax
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; X86-NEXT: retl
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%1 = shl i16 1, %n
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%2 = xor i16 %1, -1
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%3 = and i16 %x, %2
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ret i16 %3
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}
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define i16 @bts_16(i16 %x, i16 %n) {
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; X64-LABEL: bts_16:
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; X64: # %bb.0:
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: btsl %esi, %eax
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; X64-NEXT: # kill: def $ax killed $ax killed $eax
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; X64-NEXT: retq
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;
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; X86-LABEL: bts_16:
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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 $1, %eax
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; X86-NEXT: shll %cl, %eax
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; X86-NEXT: orw {{[0-9]+}}(%esp), %ax
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; X86-NEXT: # kill: def $ax killed $ax killed $eax
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; X86-NEXT: retl
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%1 = shl i16 1, %n
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%2 = or i16 %x, %1
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ret i16 %2
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}
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define i16 @btc_16(i16 %x, i16 %n) {
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; X64-LABEL: btc_16:
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; X64: # %bb.0:
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: btcl %esi, %eax
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; X64-NEXT: # kill: def $ax killed $ax killed $eax
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; X64-NEXT: retq
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;
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; X86-LABEL: btc_16:
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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 $1, %eax
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; X86-NEXT: shll %cl, %eax
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; X86-NEXT: xorw {{[0-9]+}}(%esp), %ax
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; X86-NEXT: # kill: def $ax killed $ax killed $eax
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; X86-NEXT: retl
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%1 = shl i16 1, %n
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%2 = xor i16 %x, %1
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ret i16 %2
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}
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define i32 @btr_32(i32 %x, i32 %n) {
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; X64-LABEL: btr_32:
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; X64: # %bb.0:
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: btrl %esi, %eax
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; X64-NEXT: retq
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;
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; X86-LABEL: btr_32:
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; X86: # %bb.0:
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-NEXT: btrl %ecx, %eax
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; X86-NEXT: retl
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%1 = shl i32 1, %n
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%2 = xor i32 %1, -1
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%3 = and i32 %x, %2
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ret i32 %3
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}
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define i32 @bts_32(i32 %x, i32 %n) {
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; X64-LABEL: bts_32:
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; X64: # %bb.0:
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: btsl %esi, %eax
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; X64-NEXT: retq
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;
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; X86-LABEL: bts_32:
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; X86: # %bb.0:
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-NEXT: btsl %ecx, %eax
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; X86-NEXT: retl
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%1 = shl i32 1, %n
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%2 = or i32 %x, %1
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ret i32 %2
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}
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define i32 @btc_32(i32 %x, i32 %n) {
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; X64-LABEL: btc_32:
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; X64: # %bb.0:
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: btcl %esi, %eax
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; X64-NEXT: retq
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;
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; X86-LABEL: btc_32:
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; X86: # %bb.0:
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-NEXT: btcl %ecx, %eax
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; X86-NEXT: retl
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%1 = shl i32 1, %n
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%2 = xor i32 %x, %1
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ret i32 %2
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}
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define i64 @btr_64(i64 %x, i64 %n) {
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; X64-LABEL: btr_64:
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; X64: # %bb.0:
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; X64-NEXT: movq %rdi, %rax
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; X64-NEXT: btrq %rsi, %rax
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; X64-NEXT: retq
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;
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; X86-LABEL: btr_64:
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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 $1, %eax
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; X86-NEXT: xorl %edx, %edx
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; X86-NEXT: shldl %cl, %eax, %edx
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; X86-NEXT: shll %cl, %eax
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; X86-NEXT: testb $32, %cl
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; X86-NEXT: je .LBB6_2
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; X86-NEXT: # %bb.1:
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; X86-NEXT: movl %eax, %edx
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; X86-NEXT: xorl %eax, %eax
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; X86-NEXT: .LBB6_2:
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; X86-NEXT: notl %edx
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; X86-NEXT: notl %eax
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; X86-NEXT: andl {{[0-9]+}}(%esp), %edx
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; X86-NEXT: andl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: retl
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%1 = shl i64 1, %n
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%2 = xor i64 %1, -1
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%3 = and i64 %x, %2
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ret i64 %3
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}
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define i64 @bts_64(i64 %x, i64 %n) {
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; X64-LABEL: bts_64:
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; X64: # %bb.0:
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; X64-NEXT: movq %rdi, %rax
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; X64-NEXT: btsq %rsi, %rax
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; X64-NEXT: retq
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;
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; X86-LABEL: bts_64:
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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 $1, %eax
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; X86-NEXT: xorl %edx, %edx
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; X86-NEXT: shldl %cl, %eax, %edx
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; X86-NEXT: shll %cl, %eax
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; X86-NEXT: testb $32, %cl
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; X86-NEXT: je .LBB7_2
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; X86-NEXT: # %bb.1:
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; X86-NEXT: movl %eax, %edx
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; X86-NEXT: xorl %eax, %eax
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; X86-NEXT: .LBB7_2:
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; X86-NEXT: orl {{[0-9]+}}(%esp), %edx
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; X86-NEXT: orl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: retl
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%1 = shl i64 1, %n
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%2 = or i64 %x, %1
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ret i64 %2
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}
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define i64 @btc_64(i64 %x, i64 %n) {
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; X64-LABEL: btc_64:
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; X64: # %bb.0:
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; X64-NEXT: movq %rdi, %rax
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; X64-NEXT: btcq %rsi, %rax
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; X64-NEXT: retq
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;
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; X86-LABEL: btc_64:
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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 $1, %eax
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; X86-NEXT: xorl %edx, %edx
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; X86-NEXT: shldl %cl, %eax, %edx
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; X86-NEXT: shll %cl, %eax
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; X86-NEXT: testb $32, %cl
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; X86-NEXT: je .LBB8_2
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; X86-NEXT: # %bb.1:
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; X86-NEXT: movl %eax, %edx
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; X86-NEXT: xorl %eax, %eax
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; X86-NEXT: .LBB8_2:
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; X86-NEXT: xorl {{[0-9]+}}(%esp), %edx
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; X86-NEXT: xorl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: retl
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%1 = shl i64 1, %n
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%2 = xor i64 %x, %1
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ret i64 %2
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}
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define i16 @btr_16_mask(i16 %x, i16 %n) {
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; X64-LABEL: btr_16_mask:
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; X64: # %bb.0:
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; X64-NEXT: movl %esi, %ecx
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; X64-NEXT: movw $-2, %ax
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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: andl %edi, %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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; X86-LABEL: btr_16_mask:
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; X86: # %bb.0:
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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: btrw %cx, %ax
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; X86-NEXT: retl
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%1 = and i16 %n, 15
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%2 = shl i16 1, %1
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%3 = xor i16 %2, -1
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%4 = and i16 %x, %3
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ret i16 %4
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}
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define i16 @bts_16_mask(i16 %x, i16 %n) {
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; X64-LABEL: bts_16_mask:
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; X64: # %bb.0:
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: andb $15, %sil
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; X64-NEXT: btsl %esi, %eax
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; X64-NEXT: # kill: def $ax killed $ax killed $eax
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; X64-NEXT: retq
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;
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; X86-LABEL: bts_16_mask:
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; X86: # %bb.0:
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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: movl $1, %eax
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; X86-NEXT: shll %cl, %eax
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; X86-NEXT: orw {{[0-9]+}}(%esp), %ax
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; X86-NEXT: # kill: def $ax killed $ax killed $eax
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; X86-NEXT: retl
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%1 = and i16 %n, 15
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%2 = shl i16 1, %1
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%3 = or i16 %x, %2
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ret i16 %3
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}
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define i16 @btc_16_mask(i16 %x, i16 %n) {
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; X64-LABEL: btc_16_mask:
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; X64: # %bb.0:
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: andb $15, %sil
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; X64-NEXT: btcl %esi, %eax
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; X64-NEXT: # kill: def $ax killed $ax killed $eax
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; X64-NEXT: retq
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;
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; X86-LABEL: btc_16_mask:
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; X86: # %bb.0:
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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: movl $1, %eax
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; X86-NEXT: shll %cl, %eax
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; X86-NEXT: xorw {{[0-9]+}}(%esp), %ax
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; X86-NEXT: # kill: def $ax killed $ax killed $eax
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; X86-NEXT: retl
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%1 = and i16 %n, 15
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%2 = shl i16 1, %1
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%3 = xor i16 %x, %2
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ret i16 %3
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}
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define i32 @btr_32_mask(i32 %x, i32 %n) {
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; X64-LABEL: btr_32_mask:
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; X64: # %bb.0:
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: btrl %esi, %eax
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; X64-NEXT: retq
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;
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; X86-LABEL: btr_32_mask:
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; X86: # %bb.0:
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-NEXT: btrl %ecx, %eax
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; X86-NEXT: retl
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%1 = and i32 %n, 31
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%2 = shl i32 1, %1
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%3 = xor i32 %2, -1
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%4 = and i32 %x, %3
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ret i32 %4
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}
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define i32 @bts_32_mask(i32 %x, i32 %n) {
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; X64-LABEL: bts_32_mask:
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; X64: # %bb.0:
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: btsl %esi, %eax
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; X64-NEXT: retq
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;
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; X86-LABEL: bts_32_mask:
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; X86: # %bb.0:
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-NEXT: btsl %ecx, %eax
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; X86-NEXT: retl
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%1 = and i32 %n, 31
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%2 = shl i32 1, %1
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%3 = or i32 %x, %2
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ret i32 %3
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}
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define i32 @btc_32_mask(i32 %x, i32 %n) {
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; X64-LABEL: btc_32_mask:
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; X64: # %bb.0:
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: btcl %esi, %eax
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; X64-NEXT: retq
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;
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; X86-LABEL: btc_32_mask:
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; X86: # %bb.0:
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-NEXT: btcl %ecx, %eax
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; X86-NEXT: retl
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%1 = and i32 %n, 31
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%2 = shl i32 1, %1
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%3 = xor i32 %x, %2
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ret i32 %3
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}
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define i64 @btr_64_mask(i64 %x, i64 %n) {
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; X64-LABEL: btr_64_mask:
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|
; X64: # %bb.0:
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; X64-NEXT: movq %rdi, %rax
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; X64-NEXT: btrq %rsi, %rax
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; X64-NEXT: retq
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;
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; X86-LABEL: btr_64_mask:
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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 $1, %eax
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; X86-NEXT: xorl %edx, %edx
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; X86-NEXT: shldl %cl, %eax, %edx
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; X86-NEXT: shll %cl, %eax
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; X86-NEXT: testb $32, %cl
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; X86-NEXT: je .LBB15_2
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; X86-NEXT: # %bb.1:
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; X86-NEXT: movl %eax, %edx
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; X86-NEXT: xorl %eax, %eax
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; X86-NEXT: .LBB15_2:
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; X86-NEXT: notl %edx
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; X86-NEXT: notl %eax
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; X86-NEXT: andl {{[0-9]+}}(%esp), %edx
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; X86-NEXT: andl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: retl
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%1 = and i64 %n, 63
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%2 = shl i64 1, %1
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%3 = xor i64 %2, -1
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%4 = and i64 %x, %3
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ret i64 %4
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}
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|
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define i64 @bts_64_mask(i64 %x, i64 %n) {
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; X64-LABEL: bts_64_mask:
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; X64: # %bb.0:
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; X64-NEXT: movq %rdi, %rax
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; X64-NEXT: btsq %rsi, %rax
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; X64-NEXT: retq
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;
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; X86-LABEL: bts_64_mask:
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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 $1, %eax
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; X86-NEXT: xorl %edx, %edx
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; X86-NEXT: shldl %cl, %eax, %edx
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; X86-NEXT: shll %cl, %eax
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; X86-NEXT: testb $32, %cl
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; X86-NEXT: je .LBB16_2
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; X86-NEXT: # %bb.1:
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; X86-NEXT: movl %eax, %edx
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; X86-NEXT: xorl %eax, %eax
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; X86-NEXT: .LBB16_2:
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; X86-NEXT: orl {{[0-9]+}}(%esp), %edx
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; X86-NEXT: orl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: retl
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%1 = and i64 %n, 63
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%2 = shl i64 1, %1
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%3 = or i64 %x, %2
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ret i64 %3
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}
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define i64 @btc_64_mask(i64 %x, i64 %n) {
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; X64-LABEL: btc_64_mask:
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|
; X64: # %bb.0:
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|
; X64-NEXT: movq %rdi, %rax
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; X64-NEXT: btcq %rsi, %rax
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; X64-NEXT: retq
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;
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; X86-LABEL: btc_64_mask:
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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 $1, %eax
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; X86-NEXT: xorl %edx, %edx
|
|
; X86-NEXT: shldl %cl, %eax, %edx
|
|
; X86-NEXT: shll %cl, %eax
|
|
; X86-NEXT: testb $32, %cl
|
|
; X86-NEXT: je .LBB17_2
|
|
; X86-NEXT: # %bb.1:
|
|
; X86-NEXT: movl %eax, %edx
|
|
; X86-NEXT: xorl %eax, %eax
|
|
; X86-NEXT: .LBB17_2:
|
|
; X86-NEXT: xorl {{[0-9]+}}(%esp), %edx
|
|
; X86-NEXT: xorl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: retl
|
|
%1 = and i64 %n, 63
|
|
%2 = shl i64 1, %1
|
|
%3 = xor i64 %x, %2
|
|
ret i64 %3
|
|
}
|
|
|
|
; Tests below use loads and we favor folding those over matching btc/btr/bts.
|
|
|
|
define i16 @btr_16_load(i16* %x, i16 %n) {
|
|
; X64-LABEL: btr_16_load:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movzwl (%rdi), %eax
|
|
; X64-NEXT: btrw %si, %ax
|
|
; X64-NEXT: retq
|
|
;
|
|
; X86-LABEL: btr_16_load:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movzwl (%eax), %eax
|
|
; X86-NEXT: btrw %cx, %ax
|
|
; X86-NEXT: retl
|
|
%1 = load i16, i16* %x
|
|
%2 = shl i16 1, %n
|
|
%3 = xor i16 %2, -1
|
|
%4 = and i16 %1, %3
|
|
ret i16 %4
|
|
}
|
|
|
|
define i16 @bts_16_load(i16* %x, i16 %n) {
|
|
; X64-LABEL: bts_16_load:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movl %esi, %ecx
|
|
; X64-NEXT: movl $1, %eax
|
|
; X64-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NEXT: shll %cl, %eax
|
|
; X64-NEXT: orw (%rdi), %ax
|
|
; X64-NEXT: # kill: def $ax killed $ax killed $eax
|
|
; X64-NEXT: retq
|
|
;
|
|
; X86-LABEL: bts_16_load:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NEXT: movl $1, %eax
|
|
; X86-NEXT: shll %cl, %eax
|
|
; X86-NEXT: orw (%edx), %ax
|
|
; X86-NEXT: # kill: def $ax killed $ax killed $eax
|
|
; X86-NEXT: retl
|
|
%1 = load i16, i16* %x
|
|
%2 = shl i16 1, %n
|
|
%3 = or i16 %1, %2
|
|
ret i16 %3
|
|
}
|
|
|
|
define i16 @btc_16_load(i16* %x, i16 %n) {
|
|
; X64-LABEL: btc_16_load:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movl %esi, %ecx
|
|
; X64-NEXT: movl $1, %eax
|
|
; X64-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NEXT: shll %cl, %eax
|
|
; X64-NEXT: xorw (%rdi), %ax
|
|
; X64-NEXT: # kill: def $ax killed $ax killed $eax
|
|
; X64-NEXT: retq
|
|
;
|
|
; X86-LABEL: btc_16_load:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NEXT: movl $1, %eax
|
|
; X86-NEXT: shll %cl, %eax
|
|
; X86-NEXT: xorw (%edx), %ax
|
|
; X86-NEXT: # kill: def $ax killed $ax killed $eax
|
|
; X86-NEXT: retl
|
|
%1 = load i16, i16* %x
|
|
%2 = shl i16 1, %n
|
|
%3 = xor i16 %1, %2
|
|
ret i16 %3
|
|
}
|
|
|
|
define i32 @btr_32_load(i32* %x, i32 %n) {
|
|
; X64-LABEL: btr_32_load:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movl (%rdi), %eax
|
|
; X64-NEXT: btrl %esi, %eax
|
|
; X64-NEXT: retq
|
|
;
|
|
; X86-LABEL: btr_32_load:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movl (%eax), %eax
|
|
; X86-NEXT: btrl %ecx, %eax
|
|
; X86-NEXT: retl
|
|
%1 = load i32, i32* %x
|
|
%2 = shl i32 1, %n
|
|
%3 = xor i32 %2, -1
|
|
%4 = and i32 %1, %3
|
|
ret i32 %4
|
|
}
|
|
|
|
define i32 @bts_32_load(i32* %x, i32 %n) {
|
|
; X64-LABEL: bts_32_load:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movl (%rdi), %eax
|
|
; X64-NEXT: btsl %esi, %eax
|
|
; X64-NEXT: retq
|
|
;
|
|
; X86-LABEL: bts_32_load:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movl (%eax), %eax
|
|
; X86-NEXT: btsl %ecx, %eax
|
|
; X86-NEXT: retl
|
|
%1 = load i32, i32* %x
|
|
%2 = shl i32 1, %n
|
|
%3 = or i32 %1, %2
|
|
ret i32 %3
|
|
}
|
|
|
|
define i32 @btc_32_load(i32* %x, i32 %n) {
|
|
; X64-LABEL: btc_32_load:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movl (%rdi), %eax
|
|
; X64-NEXT: btcl %esi, %eax
|
|
; X64-NEXT: retq
|
|
;
|
|
; X86-LABEL: btc_32_load:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movl (%eax), %eax
|
|
; X86-NEXT: btcl %ecx, %eax
|
|
; X86-NEXT: retl
|
|
%1 = load i32, i32* %x
|
|
%2 = shl i32 1, %n
|
|
%3 = xor i32 %1, %2
|
|
ret i32 %3
|
|
}
|
|
|
|
define i64 @btr_64_load(i64* %x, i64 %n) {
|
|
; X64-LABEL: btr_64_load:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movq (%rdi), %rax
|
|
; X64-NEXT: btrq %rsi, %rax
|
|
; X64-NEXT: retq
|
|
;
|
|
; X86-LABEL: btr_64_load:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: pushl %esi
|
|
; X86-NEXT: .cfi_def_cfa_offset 8
|
|
; X86-NEXT: .cfi_offset %esi, -8
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NEXT: movl $1, %eax
|
|
; X86-NEXT: xorl %edx, %edx
|
|
; X86-NEXT: shldl %cl, %eax, %edx
|
|
; X86-NEXT: shll %cl, %eax
|
|
; X86-NEXT: testb $32, %cl
|
|
; X86-NEXT: je .LBB24_2
|
|
; X86-NEXT: # %bb.1:
|
|
; X86-NEXT: movl %eax, %edx
|
|
; X86-NEXT: xorl %eax, %eax
|
|
; X86-NEXT: .LBB24_2:
|
|
; X86-NEXT: notl %edx
|
|
; X86-NEXT: notl %eax
|
|
; X86-NEXT: andl 4(%esi), %edx
|
|
; X86-NEXT: andl (%esi), %eax
|
|
; X86-NEXT: popl %esi
|
|
; X86-NEXT: .cfi_def_cfa_offset 4
|
|
; X86-NEXT: retl
|
|
%1 = load i64, i64* %x
|
|
%2 = shl i64 1, %n
|
|
%3 = xor i64 %2, -1
|
|
%4 = and i64 %1, %3
|
|
ret i64 %4
|
|
}
|
|
|
|
define i64 @bts_64_load(i64* %x, i64 %n) {
|
|
; X64-LABEL: bts_64_load:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movq (%rdi), %rax
|
|
; X64-NEXT: btsq %rsi, %rax
|
|
; X64-NEXT: retq
|
|
;
|
|
; X86-LABEL: bts_64_load:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: pushl %esi
|
|
; X86-NEXT: .cfi_def_cfa_offset 8
|
|
; X86-NEXT: .cfi_offset %esi, -8
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NEXT: movl $1, %eax
|
|
; X86-NEXT: xorl %edx, %edx
|
|
; X86-NEXT: shldl %cl, %eax, %edx
|
|
; X86-NEXT: shll %cl, %eax
|
|
; X86-NEXT: testb $32, %cl
|
|
; X86-NEXT: je .LBB25_2
|
|
; X86-NEXT: # %bb.1:
|
|
; X86-NEXT: movl %eax, %edx
|
|
; X86-NEXT: xorl %eax, %eax
|
|
; X86-NEXT: .LBB25_2:
|
|
; X86-NEXT: orl 4(%esi), %edx
|
|
; X86-NEXT: orl (%esi), %eax
|
|
; X86-NEXT: popl %esi
|
|
; X86-NEXT: .cfi_def_cfa_offset 4
|
|
; X86-NEXT: retl
|
|
%1 = load i64, i64* %x
|
|
%2 = shl i64 1, %n
|
|
%3 = or i64 %1, %2
|
|
ret i64 %3
|
|
}
|
|
|
|
define i64 @btc_64_load(i64* %x, i64 %n) {
|
|
; X64-LABEL: btc_64_load:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movq (%rdi), %rax
|
|
; X64-NEXT: btcq %rsi, %rax
|
|
; X64-NEXT: retq
|
|
;
|
|
; X86-LABEL: btc_64_load:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: pushl %esi
|
|
; X86-NEXT: .cfi_def_cfa_offset 8
|
|
; X86-NEXT: .cfi_offset %esi, -8
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NEXT: movl $1, %eax
|
|
; X86-NEXT: xorl %edx, %edx
|
|
; X86-NEXT: shldl %cl, %eax, %edx
|
|
; X86-NEXT: shll %cl, %eax
|
|
; X86-NEXT: testb $32, %cl
|
|
; X86-NEXT: je .LBB26_2
|
|
; X86-NEXT: # %bb.1:
|
|
; X86-NEXT: movl %eax, %edx
|
|
; X86-NEXT: xorl %eax, %eax
|
|
; X86-NEXT: .LBB26_2:
|
|
; X86-NEXT: xorl 4(%esi), %edx
|
|
; X86-NEXT: xorl (%esi), %eax
|
|
; X86-NEXT: popl %esi
|
|
; X86-NEXT: .cfi_def_cfa_offset 4
|
|
; X86-NEXT: retl
|
|
%1 = load i64, i64* %x
|
|
%2 = shl i64 1, %n
|
|
%3 = xor i64 %1, %2
|
|
ret i64 %3
|
|
}
|
|
|
|
; For the tests below, we definitely shouldn't fold them to the memory forms
|
|
; of BTR/BTS/BTC as they have very different semantics from their register
|
|
; counterparts.
|
|
|
|
define void @btr_16_dont_fold(i16* %x, i16 %n) {
|
|
; X64-LABEL: btr_16_dont_fold:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movl %esi, %ecx
|
|
; X64-NEXT: movw $-2, %ax
|
|
; X64-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NEXT: rolw %cl, %ax
|
|
; X64-NEXT: andw %ax, (%rdi)
|
|
; X64-NEXT: retq
|
|
;
|
|
; X86-LABEL: btr_16_dont_fold:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NEXT: movw $-2, %dx
|
|
; X86-NEXT: rolw %cl, %dx
|
|
; X86-NEXT: andw %dx, (%eax)
|
|
; X86-NEXT: retl
|
|
%1 = load i16, i16* %x
|
|
%2 = shl i16 1, %n
|
|
%3 = xor i16 %2, -1
|
|
%4 = and i16 %1, %3
|
|
store i16 %4, i16* %x
|
|
ret void
|
|
}
|
|
|
|
define void @bts_16_dont_fold(i16* %x, i16 %n) {
|
|
; X64-LABEL: bts_16_dont_fold:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movl %esi, %ecx
|
|
; X64-NEXT: movl $1, %eax
|
|
; X64-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NEXT: shll %cl, %eax
|
|
; X64-NEXT: orw %ax, (%rdi)
|
|
; X64-NEXT: retq
|
|
;
|
|
; X86-LABEL: bts_16_dont_fold:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NEXT: movl $1, %edx
|
|
; X86-NEXT: shll %cl, %edx
|
|
; X86-NEXT: orw %dx, (%eax)
|
|
; X86-NEXT: retl
|
|
%1 = load i16, i16* %x
|
|
%2 = shl i16 1, %n
|
|
%3 = or i16 %1, %2
|
|
store i16 %3, i16* %x
|
|
ret void
|
|
}
|
|
|
|
define void @btc_16_dont_fold(i16* %x, i16 %n) {
|
|
; X64-LABEL: btc_16_dont_fold:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movl %esi, %ecx
|
|
; X64-NEXT: movl $1, %eax
|
|
; X64-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NEXT: shll %cl, %eax
|
|
; X64-NEXT: xorw %ax, (%rdi)
|
|
; X64-NEXT: retq
|
|
;
|
|
; X86-LABEL: btc_16_dont_fold:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NEXT: movl $1, %edx
|
|
; X86-NEXT: shll %cl, %edx
|
|
; X86-NEXT: xorw %dx, (%eax)
|
|
; X86-NEXT: retl
|
|
%1 = load i16, i16* %x
|
|
%2 = shl i16 1, %n
|
|
%3 = xor i16 %1, %2
|
|
store i16 %3, i16* %x
|
|
ret void
|
|
}
|
|
|
|
define void @btr_32_dont_fold(i32* %x, i32 %n) {
|
|
; X64-LABEL: btr_32_dont_fold:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movl %esi, %ecx
|
|
; X64-NEXT: movl $-2, %eax
|
|
; X64-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NEXT: roll %cl, %eax
|
|
; X64-NEXT: andl %eax, (%rdi)
|
|
; X64-NEXT: retq
|
|
;
|
|
; X86-LABEL: btr_32_dont_fold:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NEXT: movl $-2, %edx
|
|
; X86-NEXT: roll %cl, %edx
|
|
; X86-NEXT: andl %edx, (%eax)
|
|
; X86-NEXT: retl
|
|
%1 = load i32, i32* %x
|
|
%2 = shl i32 1, %n
|
|
%3 = xor i32 %2, -1
|
|
%4 = and i32 %1, %3
|
|
store i32 %4, i32* %x
|
|
ret void
|
|
}
|
|
|
|
define void @bts_32_dont_fold(i32* %x, i32 %n) {
|
|
; X64-LABEL: bts_32_dont_fold:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movl %esi, %ecx
|
|
; X64-NEXT: movl $1, %eax
|
|
; X64-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NEXT: shll %cl, %eax
|
|
; X64-NEXT: orl %eax, (%rdi)
|
|
; X64-NEXT: retq
|
|
;
|
|
; X86-LABEL: bts_32_dont_fold:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NEXT: movl $1, %edx
|
|
; X86-NEXT: shll %cl, %edx
|
|
; X86-NEXT: orl %edx, (%eax)
|
|
; X86-NEXT: retl
|
|
%1 = load i32, i32* %x
|
|
%2 = shl i32 1, %n
|
|
%3 = or i32 %1, %2
|
|
store i32 %3, i32* %x
|
|
ret void
|
|
}
|
|
|
|
define void @btc_32_dont_fold(i32* %x, i32 %n) {
|
|
; X64-LABEL: btc_32_dont_fold:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movl %esi, %ecx
|
|
; X64-NEXT: movl $1, %eax
|
|
; X64-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NEXT: shll %cl, %eax
|
|
; X64-NEXT: xorl %eax, (%rdi)
|
|
; X64-NEXT: retq
|
|
;
|
|
; X86-LABEL: btc_32_dont_fold:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NEXT: movl $1, %edx
|
|
; X86-NEXT: shll %cl, %edx
|
|
; X86-NEXT: xorl %edx, (%eax)
|
|
; X86-NEXT: retl
|
|
%1 = load i32, i32* %x
|
|
%2 = shl i32 1, %n
|
|
%3 = xor i32 %1, %2
|
|
store i32 %3, i32* %x
|
|
ret void
|
|
}
|
|
|
|
define void @btr_64_dont_fold(i64* %x, i64 %n) {
|
|
; X64-LABEL: btr_64_dont_fold:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movq %rsi, %rcx
|
|
; X64-NEXT: movq $-2, %rax
|
|
; X64-NEXT: # kill: def $cl killed $cl killed $rcx
|
|
; X64-NEXT: rolq %cl, %rax
|
|
; X64-NEXT: andq %rax, (%rdi)
|
|
; X64-NEXT: retq
|
|
;
|
|
; X86-LABEL: btr_64_dont_fold:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: pushl %esi
|
|
; X86-NEXT: .cfi_def_cfa_offset 8
|
|
; X86-NEXT: .cfi_offset %esi, -8
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NEXT: movl $1, %edx
|
|
; X86-NEXT: xorl %esi, %esi
|
|
; X86-NEXT: shldl %cl, %edx, %esi
|
|
; X86-NEXT: shll %cl, %edx
|
|
; X86-NEXT: testb $32, %cl
|
|
; X86-NEXT: je .LBB33_2
|
|
; X86-NEXT: # %bb.1:
|
|
; X86-NEXT: movl %edx, %esi
|
|
; X86-NEXT: xorl %edx, %edx
|
|
; X86-NEXT: .LBB33_2:
|
|
; X86-NEXT: notl %esi
|
|
; X86-NEXT: notl %edx
|
|
; X86-NEXT: andl %edx, (%eax)
|
|
; X86-NEXT: andl %esi, 4(%eax)
|
|
; X86-NEXT: popl %esi
|
|
; X86-NEXT: .cfi_def_cfa_offset 4
|
|
; X86-NEXT: retl
|
|
%1 = load i64, i64* %x
|
|
%2 = shl i64 1, %n
|
|
%3 = xor i64 %2, -1
|
|
%4 = and i64 %1, %3
|
|
store i64 %4, i64* %x
|
|
ret void
|
|
}
|
|
|
|
define void @bts_64_dont_fold(i64* %x, i64 %n) {
|
|
; X64-LABEL: bts_64_dont_fold:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movq %rsi, %rcx
|
|
; X64-NEXT: movl $1, %eax
|
|
; X64-NEXT: # kill: def $cl killed $cl killed $rcx
|
|
; X64-NEXT: shlq %cl, %rax
|
|
; X64-NEXT: orq %rax, (%rdi)
|
|
; X64-NEXT: retq
|
|
;
|
|
; X86-LABEL: bts_64_dont_fold:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: pushl %esi
|
|
; X86-NEXT: .cfi_def_cfa_offset 8
|
|
; X86-NEXT: .cfi_offset %esi, -8
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NEXT: movl $1, %edx
|
|
; X86-NEXT: xorl %esi, %esi
|
|
; X86-NEXT: shldl %cl, %edx, %esi
|
|
; X86-NEXT: shll %cl, %edx
|
|
; X86-NEXT: testb $32, %cl
|
|
; X86-NEXT: je .LBB34_2
|
|
; X86-NEXT: # %bb.1:
|
|
; X86-NEXT: movl %edx, %esi
|
|
; X86-NEXT: xorl %edx, %edx
|
|
; X86-NEXT: .LBB34_2:
|
|
; X86-NEXT: orl %edx, (%eax)
|
|
; X86-NEXT: orl %esi, 4(%eax)
|
|
; X86-NEXT: popl %esi
|
|
; X86-NEXT: .cfi_def_cfa_offset 4
|
|
; X86-NEXT: retl
|
|
%1 = load i64, i64* %x
|
|
%2 = shl i64 1, %n
|
|
%3 = or i64 %1, %2
|
|
store i64 %3, i64* %x
|
|
ret void
|
|
}
|
|
|
|
define void @btc_64_dont_fold(i64* %x, i64 %n) {
|
|
; X64-LABEL: btc_64_dont_fold:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movq %rsi, %rcx
|
|
; X64-NEXT: movl $1, %eax
|
|
; X64-NEXT: # kill: def $cl killed $cl killed $rcx
|
|
; X64-NEXT: shlq %cl, %rax
|
|
; X64-NEXT: xorq %rax, (%rdi)
|
|
; X64-NEXT: retq
|
|
;
|
|
; X86-LABEL: btc_64_dont_fold:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: pushl %esi
|
|
; X86-NEXT: .cfi_def_cfa_offset 8
|
|
; X86-NEXT: .cfi_offset %esi, -8
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NEXT: movl $1, %edx
|
|
; X86-NEXT: xorl %esi, %esi
|
|
; X86-NEXT: shldl %cl, %edx, %esi
|
|
; X86-NEXT: shll %cl, %edx
|
|
; X86-NEXT: testb $32, %cl
|
|
; X86-NEXT: je .LBB35_2
|
|
; X86-NEXT: # %bb.1:
|
|
; X86-NEXT: movl %edx, %esi
|
|
; X86-NEXT: xorl %edx, %edx
|
|
; X86-NEXT: .LBB35_2:
|
|
; X86-NEXT: xorl %edx, (%eax)
|
|
; X86-NEXT: xorl %esi, 4(%eax)
|
|
; X86-NEXT: popl %esi
|
|
; X86-NEXT: .cfi_def_cfa_offset 4
|
|
; X86-NEXT: retl
|
|
%1 = load i64, i64* %x
|
|
%2 = shl i64 1, %n
|
|
%3 = xor i64 %1, %2
|
|
store i64 %3, i64* %x
|
|
ret void
|
|
}
|
|
|
|
define i32 @btr_32_mask_zeros(i32 %x, i32 %n) {
|
|
; X64-LABEL: btr_32_mask_zeros:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movl %edi, %eax
|
|
; X64-NEXT: shll $2, %esi
|
|
; X64-NEXT: btrl %esi, %eax
|
|
; X64-NEXT: retq
|
|
;
|
|
; X86-LABEL: btr_32_mask_zeros:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NEXT: shlb $2, %cl
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: btrl %ecx, %eax
|
|
; X86-NEXT: retl
|
|
%1 = shl i32 %n, 2
|
|
%2 = and i32 %1, 31
|
|
%3 = shl i32 1, %2
|
|
%4 = xor i32 %3, -1
|
|
%5 = and i32 %x, %4
|
|
ret i32 %5
|
|
}
|
|
|
|
define i32 @bts_32_mask_zeros(i32 %x, i32 %n) {
|
|
; X64-LABEL: bts_32_mask_zeros:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movl %edi, %eax
|
|
; X64-NEXT: shll $2, %esi
|
|
; X64-NEXT: btsl %esi, %eax
|
|
; X64-NEXT: retq
|
|
;
|
|
; X86-LABEL: bts_32_mask_zeros:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NEXT: shlb $2, %cl
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: btsl %ecx, %eax
|
|
; X86-NEXT: retl
|
|
%1 = shl i32 %n, 2
|
|
%2 = and i32 %1, 31
|
|
%3 = shl i32 1, %2
|
|
%4 = or i32 %x, %3
|
|
ret i32 %4
|
|
}
|
|
|
|
define i32 @btc_32_mask_zeros(i32 %x, i32 %n) {
|
|
; X64-LABEL: btc_32_mask_zeros:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movl %edi, %eax
|
|
; X64-NEXT: shll $2, %esi
|
|
; X64-NEXT: btcl %esi, %eax
|
|
; X64-NEXT: retq
|
|
;
|
|
; X86-LABEL: btc_32_mask_zeros:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NEXT: shlb $2, %cl
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: btcl %ecx, %eax
|
|
; X86-NEXT: retl
|
|
%1 = shl i32 %n, 2
|
|
%2 = and i32 %1, 31
|
|
%3 = shl i32 1, %2
|
|
%4 = xor i32 %x, %3
|
|
ret i32 %4
|
|
}
|
|
|
|
define i64 @btr_64_mask_zeros(i64 %x, i64 %n) {
|
|
; X64-LABEL: btr_64_mask_zeros:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movq %rdi, %rax
|
|
; X64-NEXT: shll $2, %esi
|
|
; X64-NEXT: btrq %rsi, %rax
|
|
; X64-NEXT: retq
|
|
;
|
|
; X86-LABEL: btr_64_mask_zeros:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: shll $2, %ecx
|
|
; X86-NEXT: movl $1, %eax
|
|
; X86-NEXT: xorl %edx, %edx
|
|
; X86-NEXT: shldl %cl, %eax, %edx
|
|
; X86-NEXT: shll %cl, %eax
|
|
; X86-NEXT: testb $32, %cl
|
|
; X86-NEXT: je .LBB39_2
|
|
; X86-NEXT: # %bb.1:
|
|
; X86-NEXT: movl %eax, %edx
|
|
; X86-NEXT: xorl %eax, %eax
|
|
; X86-NEXT: .LBB39_2:
|
|
; X86-NEXT: notl %edx
|
|
; X86-NEXT: notl %eax
|
|
; X86-NEXT: andl {{[0-9]+}}(%esp), %edx
|
|
; X86-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: retl
|
|
%1 = shl i64 %n, 2
|
|
%2 = and i64 %1, 63
|
|
%3 = shl i64 1, %2
|
|
%4 = xor i64 %3, -1
|
|
%5 = and i64 %x, %4
|
|
ret i64 %5
|
|
}
|
|
|
|
define i64 @bts_64_mask_zeros(i64 %x, i64 %n) {
|
|
; X64-LABEL: bts_64_mask_zeros:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movq %rdi, %rax
|
|
; X64-NEXT: shll $2, %esi
|
|
; X64-NEXT: btsq %rsi, %rax
|
|
; X64-NEXT: retq
|
|
;
|
|
; X86-LABEL: bts_64_mask_zeros:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: shll $2, %ecx
|
|
; X86-NEXT: movl $1, %eax
|
|
; X86-NEXT: xorl %edx, %edx
|
|
; X86-NEXT: shldl %cl, %eax, %edx
|
|
; X86-NEXT: shll %cl, %eax
|
|
; X86-NEXT: testb $32, %cl
|
|
; X86-NEXT: je .LBB40_2
|
|
; X86-NEXT: # %bb.1:
|
|
; X86-NEXT: movl %eax, %edx
|
|
; X86-NEXT: xorl %eax, %eax
|
|
; X86-NEXT: .LBB40_2:
|
|
; X86-NEXT: orl {{[0-9]+}}(%esp), %edx
|
|
; X86-NEXT: orl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: retl
|
|
%1 = shl i64 %n, 2
|
|
%2 = and i64 %1, 63
|
|
%3 = shl i64 1, %2
|
|
%4 = or i64 %x, %3
|
|
ret i64 %4
|
|
}
|
|
|
|
define i64 @btc_64_mask_zeros(i64 %x, i64 %n) {
|
|
; X64-LABEL: btc_64_mask_zeros:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movq %rdi, %rax
|
|
; X64-NEXT: shll $2, %esi
|
|
; X64-NEXT: btcq %rsi, %rax
|
|
; X64-NEXT: retq
|
|
;
|
|
; X86-LABEL: btc_64_mask_zeros:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: shll $2, %ecx
|
|
; X86-NEXT: movl $1, %eax
|
|
; X86-NEXT: xorl %edx, %edx
|
|
; X86-NEXT: shldl %cl, %eax, %edx
|
|
; X86-NEXT: shll %cl, %eax
|
|
; X86-NEXT: testb $32, %cl
|
|
; X86-NEXT: je .LBB41_2
|
|
; X86-NEXT: # %bb.1:
|
|
; X86-NEXT: movl %eax, %edx
|
|
; X86-NEXT: xorl %eax, %eax
|
|
; X86-NEXT: .LBB41_2:
|
|
; X86-NEXT: xorl {{[0-9]+}}(%esp), %edx
|
|
; X86-NEXT: xorl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: retl
|
|
%1 = shl i64 %n, 2
|
|
%2 = and i64 %1, 63
|
|
%3 = shl i64 1, %2
|
|
%4 = xor i64 %x, %3
|
|
ret i64 %4
|
|
}
|