61 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			61 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -march=hexagon -verify-machineinstrs < %s | FileCheck %s
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| ; Check that this testcase compiles successfully.
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| ; CHECK-LABEL: fred:
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| ; CHECK: call foo
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| 
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| target triple = "hexagon"
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| 
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| %struct.0 = type { i32, i16, i8* }
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| 
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| declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
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| declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
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| 
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| define i32 @fred(i8* readonly %p0, i32* %p1) local_unnamed_addr #0 {
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| entry:
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|   %v0 = alloca i16, align 2
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|   %v1 = icmp eq i8* %p0, null
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|   br i1 %v1, label %if.then, label %lor.lhs.false
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| 
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| lor.lhs.false:                                    ; preds = %entry
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|   %v2 = bitcast i8* %p0 to %struct.0**
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|   %v3 = load %struct.0*, %struct.0** %v2, align 4
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|   %v4 = icmp eq %struct.0* %v3, null
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|   br i1 %v4, label %if.then, label %if.else
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| 
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| if.then:                                          ; preds = %lor.lhs.false, %ent
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|   %v5 = icmp eq i32* %p1, null
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|   br i1 %v5, label %cleanup, label %if.then3
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| 
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| if.then3:                                         ; preds = %if.then
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|   store i32 0, i32* %p1, align 4
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|   br label %cleanup
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| 
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| if.else:                                          ; preds = %lor.lhs.false
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|   %v6 = bitcast i16* %v0 to i8*
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|   call void @llvm.lifetime.start.p0i8(i64 2, i8* nonnull %v6) #0
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|   store i16 0, i16* %v0, align 2
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|   %v7 = call i32 @foo(%struct.0* nonnull %v3, i16* nonnull %v0) #0
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|   %v8 = icmp eq i32* %p1, null
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|   br i1 %v8, label %if.end7, label %if.then6
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| 
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| if.then6:                                         ; preds = %if.else
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|   %v9 = load i16, i16* %v0, align 2
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|   %v10 = zext i16 %v9 to i32
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|   store i32 %v10, i32* %p1, align 4
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|   br label %if.end7
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| 
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| if.end7:                                          ; preds = %if.else, %if.then6
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|   call void @llvm.lifetime.end.p0i8(i64 2, i8* nonnull %v6) #0
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|   br label %cleanup
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| 
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| cleanup:                                          ; preds = %if.then3, %if.then,
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|   %v11 = phi i32 [ %v7, %if.end7 ], [ -2147024809, %if.then ], [ -2147024809, %if.then3 ]
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|   ret i32 %v11
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| }
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| 
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| declare i32 @foo(%struct.0*, i16*) local_unnamed_addr #0
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| 
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| attributes #0 = { nounwind }
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| attributes #1 = { argmemonly nounwind }
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| 
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