65 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			65 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -mtriple=thumb-eabi -mattr=+v7,+thumb2 %s -o - | FileCheck %s
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| 
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| define i8 @f1(i8* %call1, i8* %call3, i32 %h, i32 %w, i32 %Width) {
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| ; CHECK: f1:
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| entry:
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|         %mul17 = mul nsw i32 %Width, %h
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|         %add = add nsw i32 %mul17, %w
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|         %sub19 = sub i32 %add, %Width
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|         %sub20 = add i32 %sub19, -1
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|         %arrayidx21 = getelementptr inbounds i8, i8* %call1, i32 %sub20
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|         %0 = load i8, i8* %arrayidx21, align 1
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|         %conv22 = zext i8 %0 to i32
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|         %arrayidx25 = getelementptr inbounds i8, i8* %call1, i32 %sub19
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|         %1 = load i8, i8* %arrayidx25, align 1
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|         %conv26 = zext i8 %1 to i32
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|         %mul23189 = add i32 %conv26, %conv22
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|         %add30 = add i32 %sub19, 1
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|         %arrayidx31 = getelementptr inbounds i8, i8* %call1, i32 %add30
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|         %2 = load i8, i8* %arrayidx31, align 1
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|         %conv32 = zext i8 %2 to i32
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| ; CHECK: ldrb r{{[0-9]*}}, [r{{[0-9]*}}, #-1]
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| ; CHECK-NEXT: ldrb r{{[0-9]*}}, [r{{[0-9]*}}, #1]
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|         %add28190 = add i32 %mul23189, %conv32
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|         %sub35 = add i32 %add, -1
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|         %arrayidx36 = getelementptr inbounds i8, i8* %call1, i32 %sub35
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|         %3 = load i8, i8* %arrayidx36, align 1
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|         %conv37 = zext i8 %3 to i32
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|         %add34191 = add i32 %add28190, %conv37
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|         %arrayidx40 = getelementptr inbounds i8, i8* %call1, i32 %add
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|         %4 = load i8, i8* %arrayidx40, align 1
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|         %conv41 = zext i8 %4 to i32
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|         %mul42 = mul nsw i32 %conv41, 255
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|         %add44 = add i32 %add, 1
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|         %arrayidx45 = getelementptr inbounds i8, i8* %call1, i32 %add44
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|         %5 = load i8, i8* %arrayidx45, align 1
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|         %conv46 = zext i8 %5 to i32
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| ; CHECK: ldrb r{{[0-9]*}}, [r{{[0-9]*}}, #-1]
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| ; CHECK-NEXT: ldrb r{{[0-9]*}}, [r{{[0-9]*}}, #1]
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|         %add49 = add i32 %add, %Width
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|         %sub50 = add i32 %add49, -1
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|         %arrayidx51 = getelementptr inbounds i8, i8* %call1, i32 %sub50
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|         %6 = load i8, i8* %arrayidx51, align 1
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|         %conv52 = zext i8 %6 to i32
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|         %arrayidx56 = getelementptr inbounds i8, i8* %call1, i32 %add49
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|         %7 = load i8, i8* %arrayidx56, align 1
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|         %conv57 = zext i8 %7 to i32
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|         %add61 = add i32 %add49, 1
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|         %arrayidx62 = getelementptr inbounds i8, i8* %call1, i32 %add61
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|         %8 = load i8, i8* %arrayidx62, align 1
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|         %conv63 = zext i8 %8 to i32
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| ; CHECK: ldrb r{{[0-9]*}}, [r{{[0-9]*}}, #-1]
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| ; CHECK-NEXT: ldrb{{[.w]*}} r{{[0-9]*}}, [r{{[0-9]*}}, #1]
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|         %tmp = add i32 %add34191, %conv46
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|         %tmp193 = add i32 %tmp, %conv52
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|         %tmp194 = add i32 %tmp193, %conv57
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|         %tmp195 = add i32 %tmp194, %conv63
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|         %tmp196 = mul i32 %tmp195, -28
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|         %add65 = add i32 %tmp196, %mul42
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|         %9 = lshr i32 %add65, 8
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|         %conv68 = trunc i32 %9 to i8
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|         %arrayidx69 = getelementptr inbounds i8, i8* %call3, i32 %add
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|         store i8 %conv68, i8* %arrayidx69, align 1
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|         ret i8 %conv68
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| }
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