mirror of
				https://github.com/c64scene-ar/llvm-6502.git
				synced 2025-10-31 08:16:47 +00:00 
			
		
		
		
	This reverts r176808, r176798, and r177914. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178583 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			277 lines
		
	
	
		
			5.8 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			277 lines
		
	
	
		
			5.8 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: llc < %s -O0 -march=x86-64 -mcpu=corei7 -verify-machineinstrs | FileCheck %s --check-prefix X64
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| ; RUN: llc < %s -O0 -march=x86 -mcpu=corei7 -verify-machineinstrs | FileCheck %s --check-prefix X32
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| ; RUN: llc < %s -O0 -march=x86 -mcpu=corei7 -mattr=-cmov -verify-machineinstrs | FileCheck %s --check-prefix NOCMOV
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| 
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| @sc32 = external global i32
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| 
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| define void @atomic_fetch_add32() nounwind {
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| ; X64:   atomic_fetch_add32
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| ; X32:   atomic_fetch_add32
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| entry:
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| ; 32-bit
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|   %t1 = atomicrmw add  i32* @sc32, i32 1 acquire
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| ; X64:       lock
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| ; X64:       incl
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| ; X32:       lock
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| ; X32:       incl
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|   %t2 = atomicrmw add  i32* @sc32, i32 3 acquire
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| ; X64:       lock
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| ; X64:       addl $3
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| ; X32:       lock
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| ; X32:       addl $3
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|   %t3 = atomicrmw add  i32* @sc32, i32 5 acquire
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| ; X64:       lock
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| ; X64:       xaddl
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| ; X32:       lock
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| ; X32:       xaddl
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|   %t4 = atomicrmw add  i32* @sc32, i32 %t3 acquire
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| ; X64:       lock
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| ; X64:       addl
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| ; X32:       lock
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| ; X32:       addl
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|   ret void
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| ; X64:       ret
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| ; X32:       ret
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| }
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| 
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| define void @atomic_fetch_sub32() nounwind {
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| ; X64:   atomic_fetch_sub32
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| ; X32:   atomic_fetch_sub32
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|   %t1 = atomicrmw sub  i32* @sc32, i32 1 acquire
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| ; X64:       lock
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| ; X64:       decl
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| ; X32:       lock
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| ; X32:       decl
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|   %t2 = atomicrmw sub  i32* @sc32, i32 3 acquire
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| ; X64:       lock
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| ; X64:       subl $3
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| ; X32:       lock
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| ; X32:       subl $3
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|   %t3 = atomicrmw sub  i32* @sc32, i32 5 acquire
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| ; X64:       lock
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| ; X64:       xaddl
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| ; X32:       lock
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| ; X32:       xaddl
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|   %t4 = atomicrmw sub  i32* @sc32, i32 %t3 acquire
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| ; X64:       lock
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| ; X64:       subl
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| ; X32:       lock
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| ; X32:       subl
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|   ret void
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| ; X64:       ret
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| ; X32:       ret
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| }
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| 
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| define void @atomic_fetch_and32() nounwind {
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| ; X64:   atomic_fetch_and32
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| ; X32:   atomic_fetch_and32
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|   %t1 = atomicrmw and  i32* @sc32, i32 3 acquire
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| ; X64:       lock
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| ; X64:       andl $3
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| ; X32:       lock
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| ; X32:       andl $3
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|   %t2 = atomicrmw and  i32* @sc32, i32 5 acquire
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| ; X64:       andl
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| ; X64:       lock
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| ; X64:       cmpxchgl
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| ; X32:       andl
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| ; X32:       lock
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| ; X32:       cmpxchgl
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|   %t3 = atomicrmw and  i32* @sc32, i32 %t2 acquire
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| ; X64:       lock
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| ; X64:       andl
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| ; X32:       lock
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| ; X32:       andl
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|   ret void
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| ; X64:       ret
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| ; X32:       ret
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| }
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| 
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| define void @atomic_fetch_or32() nounwind {
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| ; X64:   atomic_fetch_or32
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| ; X32:   atomic_fetch_or32
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|   %t1 = atomicrmw or   i32* @sc32, i32 3 acquire
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| ; X64:       lock
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| ; X64:       orl $3
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| ; X32:       lock
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| ; X32:       orl $3
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|   %t2 = atomicrmw or   i32* @sc32, i32 5 acquire
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| ; X64:       orl
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| ; X64:       lock
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| ; X64:       cmpxchgl
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| ; X32:       orl
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| ; X32:       lock
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| ; X32:       cmpxchgl
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|   %t3 = atomicrmw or   i32* @sc32, i32 %t2 acquire
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| ; X64:       lock
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| ; X64:       orl
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| ; X32:       lock
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| ; X32:       orl
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|   ret void
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| ; X64:       ret
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| ; X32:       ret
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| }
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| 
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| define void @atomic_fetch_xor32() nounwind {
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| ; X64:   atomic_fetch_xor32
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| ; X32:   atomic_fetch_xor32
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|   %t1 = atomicrmw xor  i32* @sc32, i32 3 acquire
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| ; X64:       lock
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| ; X64:       xorl $3
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| ; X32:       lock
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| ; X32:       xorl $3
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|   %t2 = atomicrmw xor  i32* @sc32, i32 5 acquire
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| ; X64:       xorl
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| ; X64:       lock
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| ; X64:       cmpxchgl
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| ; X32:       xorl
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| ; X32:       lock
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| ; X32:       cmpxchgl
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|   %t3 = atomicrmw xor  i32* @sc32, i32 %t2 acquire
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| ; X64:       lock
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| ; X64:       xorl
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| ; X32:       lock
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| ; X32:       xorl
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|   ret void
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| ; X64:       ret
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| ; X32:       ret
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| }
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| 
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| define void @atomic_fetch_nand32(i32 %x) nounwind {
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| ; X64:   atomic_fetch_nand32
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| ; X32:   atomic_fetch_nand32
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|   %t1 = atomicrmw nand i32* @sc32, i32 %x acquire
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| ; X64:       andl
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| ; X64:       notl
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| ; X64:       lock
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| ; X64:       cmpxchgl
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| ; X32:       andl
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| ; X32:       notl
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| ; X32:       lock
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| ; X32:       cmpxchgl
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|   ret void
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| ; X64:       ret
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| ; X32:       ret
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| }
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| 
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| define void @atomic_fetch_max32(i32 %x) nounwind {
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|   %t1 = atomicrmw max  i32* @sc32, i32 %x acquire
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| ; X64:       cmpl
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| ; X64:       cmov
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| ; X64:       lock
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| ; X64:       cmpxchgl
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| 
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| ; X32:       cmpl
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| ; X32:       cmov
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| ; X32:       lock
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| ; X32:       cmpxchgl
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| 
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| ; NOCMOV:    cmpl
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| ; NOCMOV:    jl
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| ; NOCMOV:    lock
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| ; NOCMOV:    cmpxchgl
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|   ret void
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| ; X64:       ret
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| ; X32:       ret
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| ; NOCMOV:    ret
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| }
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| 
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| define void @atomic_fetch_min32(i32 %x) nounwind {
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|   %t1 = atomicrmw min  i32* @sc32, i32 %x acquire
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| ; X64:       cmpl
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| ; X64:       cmov
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| ; X64:       lock
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| ; X64:       cmpxchgl
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| 
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| ; X32:       cmpl
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| ; X32:       cmov
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| ; X32:       lock
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| ; X32:       cmpxchgl
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| 
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| ; NOCMOV:    cmpl
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| ; NOCMOV:    jg
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| ; NOCMOV:    lock
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| ; NOCMOV:    cmpxchgl
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|   ret void
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| ; X64:       ret
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| ; X32:       ret
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| ; NOCMOV:    ret
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| }
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| 
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| define void @atomic_fetch_umax32(i32 %x) nounwind {
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|   %t1 = atomicrmw umax i32* @sc32, i32 %x acquire
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| ; X64:       cmpl
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| ; X64:       cmov
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| ; X64:       lock
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| ; X64:       cmpxchgl
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| 
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| ; X32:       cmpl
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| ; X32:       cmov
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| ; X32:       lock
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| ; X32:       cmpxchgl
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| 
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| ; NOCMOV:    cmpl
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| ; NOCMOV:    jb
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| ; NOCMOV:    lock
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| ; NOCMOV:    cmpxchgl
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|   ret void
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| ; X64:       ret
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| ; X32:       ret
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| ; NOCMOV:    ret
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| }
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| 
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| define void @atomic_fetch_umin32(i32 %x) nounwind {
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|   %t1 = atomicrmw umin i32* @sc32, i32 %x acquire
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| ; X64:       cmpl
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| ; X64:       cmov
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| ; X64:       lock
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| ; X64:       cmpxchgl
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| 
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| ; X32:       cmpl
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| ; X32:       cmov
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| ; X32:       lock
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| ; X32:       cmpxchgl
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| 
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| ; NOCMOV:    cmpl
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| ; NOCMOV:    ja
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| ; NOCMOV:    lock
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| ; NOCMOV:    cmpxchgl
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|   ret void
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| ; X64:       ret
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| ; X32:       ret
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| ; NOCMOV:    ret
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| }
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| 
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| define void @atomic_fetch_cmpxchg32() nounwind {
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|   %t1 = cmpxchg i32* @sc32, i32 0, i32 1 acquire
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| ; X64:       lock
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| ; X64:       cmpxchgl
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| ; X32:       lock
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| ; X32:       cmpxchgl
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|   ret void
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| ; X64:       ret
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| ; X32:       ret
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| }
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| 
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| define void @atomic_fetch_store32(i32 %x) nounwind {
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|   store atomic i32 %x, i32* @sc32 release, align 4
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| ; X64-NOT:   lock
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| ; X64:       movl
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| ; X32-NOT:   lock
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| ; X32:       movl
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|   ret void
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| ; X64:       ret
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| ; X32:       ret
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| }
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| 
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| define void @atomic_fetch_swap32(i32 %x) nounwind {
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|   %t1 = atomicrmw xchg i32* @sc32, i32 %x acquire
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| ; X64-NOT:   lock
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| ; X64:       xchgl
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| ; X32-NOT:   lock
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| ; X32:       xchgl
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|   ret void
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| ; X64:       ret
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| ; X32:       ret
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| }
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