115 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			115 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc < %s -march=arm                  | FileCheck %s --check-prefix=ARM
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| ; RUN: llc < %s -march=arm -mattr=+thumb2   | FileCheck %s --check-prefix=ARMT2
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| ; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s --check-prefix=THUMB2
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| 
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| define i32 @t1(i32 %c) nounwind readnone {
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| entry:
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| ; ARM: t1:
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| ; ARM: mov [[R1:r[0-9]+]], #101
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| ; ARM: orr [[R1b:r[0-9]+]], [[R1]], #256
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| ; ARM: movgt r0, #123
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| 
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| ; ARMT2: t1:
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| ; ARMT2: movw r0, #357
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| ; ARMT2: movgt r0, #123
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| 
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| ; THUMB2: t1:
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| ; THUMB2: movw r0, #357
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| ; THUMB2: movgt r0, #123
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| 
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|   %0 = icmp sgt i32 %c, 1
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|   %1 = select i1 %0, i32 123, i32 357
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|   ret i32 %1
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| }
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| 
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| define i32 @t2(i32 %c) nounwind readnone {
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| entry:
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| ; ARM: t2:
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| ; ARM: mov r0, #123
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| ; ARM: movgt r0, #101
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| ; ARM: orrgt r0, r0, #256
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| 
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| ; ARMT2: t2:
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| ; ARMT2: mov r0, #123
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| ; ARMT2: movwgt r0, #357
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| 
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| ; THUMB2: t2:
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| ; THUMB2: mov{{(s|\.w)}} r0, #123
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| ; THUMB2: movwgt r0, #357
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| 
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|   %0 = icmp sgt i32 %c, 1
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|   %1 = select i1 %0, i32 357, i32 123
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|   ret i32 %1
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| }
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| 
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| define i32 @t3(i32 %a) nounwind readnone {
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| entry:
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| ; ARM: t3:
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| ; ARM: mov r0, #0
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| ; ARM: moveq r0, #1
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| 
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| ; ARMT2: t3:
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| ; ARMT2: mov r0, #0
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| ; ARMT2: moveq r0, #1
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| 
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| ; THUMB2: t3:
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| ; THUMB2: mov{{(s|\.w)}} r0, #0
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| ; THUMB2: moveq r0, #1
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|   %0 = icmp eq i32 %a, 160
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|   %1 = zext i1 %0 to i32
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|   ret i32 %1
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| }
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| 
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| define i32 @t4(i32 %a, i32 %b, i32 %x) nounwind {
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| entry:
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| ; ARM: t4:
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| ; ARM: ldr
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| ; ARM: mov{{lt|ge}}
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| 
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| ; ARMT2: t4:
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| ; ARMT2: movwlt [[R0:r[0-9]+]], #65365
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| ; ARMT2: movtlt [[R0]], #65365
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| 
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| ; THUMB2: t4:
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| ; THUMB2: mvnlt [[R0:r[0-9]+]], #11141290
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|   %0 = icmp slt i32 %a, %b
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|   %1 = select i1 %0, i32 4283826005, i32 %x
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|   ret i32 %1
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| }
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| 
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| ; rdar://9758317
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| define i32 @t5(i32 %a) nounwind {
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| entry:
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| ; ARM: t5:
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| ; ARM-NOT: mov
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| ; ARM: cmp r0, #1
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| ; ARM-NOT: mov
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| ; ARM: movne r0, #0
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| 
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| ; THUMB2: t5:
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| ; THUMB2-NOT: mov
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| ; THUMB2: cmp r0, #1
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| ; THUMB2: it ne
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| ; THUMB2: movne r0, #0
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|   %cmp = icmp eq i32 %a, 1
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|   %conv = zext i1 %cmp to i32
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|   ret i32 %conv
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| }
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| 
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| define i32 @t6(i32 %a) nounwind {
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| entry:
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| ; ARM: t6:
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| ; ARM-NOT: mov
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| ; ARM: cmp r0, #0
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| ; ARM: movne r0, #1
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| 
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| ; THUMB2: t6:
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| ; THUMB2-NOT: mov
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| ; THUMB2: cmp r0, #0
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| ; THUMB2: it ne
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| ; THUMB2: movne r0, #1
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|   %tobool = icmp ne i32 %a, 0
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|   %lnot.ext = zext i1 %tobool to i32
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|   ret i32 %lnot.ext
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| }
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