92 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			92 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -march=hexagon < %s | FileCheck %s
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| 
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| target triple = "hexagon"
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| 
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| ; FP elimination enabled.
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| ;
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| ; CHECK-LABEL: danny:
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| ; CHECK: r29 = add(r29,#-[[SIZE:[0-9]+]])
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| ; CHECK: r29 = add(r29,#[[SIZE]])
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| define i32 @danny(i32 %a0, i32 %a1) local_unnamed_addr #0 {
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| b2:
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|   %v3 = alloca [32 x i32], align 8
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|   %v4 = bitcast [32 x i32]* %v3 to i8*
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|   call void @llvm.lifetime.start.p0i8(i64 128, i8* nonnull %v4) #3
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|   br label %b5
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| 
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| b5:                                               ; preds = %b5, %b2
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|   %v6 = phi i32 [ 0, %b2 ], [ %v8, %b5 ]
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|   %v7 = getelementptr inbounds [32 x i32], [32 x i32]* %v3, i32 0, i32 %v6
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|   store i32 %v6, i32* %v7, align 4
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|   %v8 = add nuw nsw i32 %v6, 1
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|   %v9 = icmp eq i32 %v8, 32
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|   br i1 %v9, label %b10, label %b5
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| 
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| b10:                                              ; preds = %b5
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|   %v11 = getelementptr inbounds [32 x i32], [32 x i32]* %v3, i32 0, i32 %a0
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|   store i32 %a1, i32* %v11, align 4
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|   br label %b12
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| 
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| b12:                                              ; preds = %b12, %b10
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|   %v13 = phi i32 [ 0, %b10 ], [ %v18, %b12 ]
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|   %v14 = phi i32 [ 0, %b10 ], [ %v17, %b12 ]
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|   %v15 = getelementptr inbounds [32 x i32], [32 x i32]* %v3, i32 0, i32 %v13
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|   %v16 = load i32, i32* %v15, align 4
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|   %v17 = add nsw i32 %v16, %v14
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|   %v18 = add nuw nsw i32 %v13, 1
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|   %v19 = icmp eq i32 %v18, 32
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|   br i1 %v19, label %b20, label %b12
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| 
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| b20:                                              ; preds = %b12
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|   call void @llvm.lifetime.end.p0i8(i64 128, i8* nonnull %v4) #3
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|   ret i32 %v17
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| }
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| 
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| ; FP elimination disabled.
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| ;
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| ; CHECK-LABEL: sammy:
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| ; CHECK: allocframe
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| ; CHECK: dealloc_return
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| define i32 @sammy(i32 %a0, i32 %a1) local_unnamed_addr #1 {
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| b2:
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|   %v3 = alloca [32 x i32], align 8
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|   %v4 = bitcast [32 x i32]* %v3 to i8*
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|   call void @llvm.lifetime.start.p0i8(i64 128, i8* nonnull %v4) #3
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|   br label %b5
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| 
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| b5:                                               ; preds = %b5, %b2
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|   %v6 = phi i32 [ 0, %b2 ], [ %v8, %b5 ]
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|   %v7 = getelementptr inbounds [32 x i32], [32 x i32]* %v3, i32 0, i32 %v6
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|   store i32 %v6, i32* %v7, align 4
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|   %v8 = add nuw nsw i32 %v6, 1
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|   %v9 = icmp eq i32 %v8, 32
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|   br i1 %v9, label %b10, label %b5
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| 
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| b10:                                              ; preds = %b5
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|   %v11 = getelementptr inbounds [32 x i32], [32 x i32]* %v3, i32 0, i32 %a0
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|   store i32 %a1, i32* %v11, align 4
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|   br label %b12
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| 
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| b12:                                              ; preds = %b12, %b10
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|   %v13 = phi i32 [ 0, %b10 ], [ %v18, %b12 ]
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|   %v14 = phi i32 [ 0, %b10 ], [ %v17, %b12 ]
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|   %v15 = getelementptr inbounds [32 x i32], [32 x i32]* %v3, i32 0, i32 %v13
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|   %v16 = load i32, i32* %v15, align 4
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|   %v17 = add nsw i32 %v16, %v14
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|   %v18 = add nuw nsw i32 %v13, 1
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|   %v19 = icmp eq i32 %v18, 32
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|   br i1 %v19, label %b20, label %b12
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| 
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| b20:                                              ; preds = %b12
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|   call void @llvm.lifetime.end.p0i8(i64 128, i8* nonnull %v4) #3
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|   ret i32 %v17
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| }
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| 
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| declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #2
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| declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #2
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| 
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| attributes #0 = { nounwind readnone "no-frame-pointer-elim"="false" "target-cpu"="hexagonv60" }
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| attributes #1 = { nounwind readnone "no-frame-pointer-elim"="true" "target-cpu"="hexagonv60" }
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| attributes #2 = { argmemonly nounwind }
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| attributes #3 = { nounwind }
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