37 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			37 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -march=mips < %s -debug 2>&1 | FileCheck %s --check-prefix=MIPS
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| ; RUN: llc -march=mips -mattr=+micromips < %s -debug 2>&1 | FileCheck %s --check-prefix=MM
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| 
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| ; REQUIRES: asserts
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| 
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| ; Test that the correct ISA is selected for the materialization of constants.
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| 
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| ; The four parameters are picked to use these instructions: li16, addiu, lui,
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| ; lui+addiu.
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| 
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| declare void @e(i32)
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| declare void @f(i32, i32, i32)
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| define void @g() {
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| entry:
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|   call void @f (i32 1, i32 2048, i32 8388608)
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|   call void @e (i32 150994946)
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|   ret void
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| }
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| 
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| ; MIPS-LABEL: ===== Instruction selection ends:
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| ; MIPS-DAG: t{{[0-9]+}}: i32 = ADDiu Register:i32 $zero, TargetConstant:i32<1>
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| ; MIPS-DAG: t{{[0-9]+}}: i32 = ADDiu Register:i32 $zero, TargetConstant:i32<2048>
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| ; MIPS-DAG: t{{[0-9]+}}: i32 = LUi TargetConstant:i32<128>
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| ; MIPS:     t{{[0-9]+}}: ch,glue = JAL TargetGlobalAddress:i32<void (i32, i32, i32)* @f>
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| 
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| ; MIPS:     t[[A:[0-9]+]]: i32 = LUi TargetConstant:i32<2304>
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| ; MIPS:     t{{[0-9]+}}: i32 = ORi t[[A]], TargetConstant:i32<2>
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| 
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| ; MM-LABEL: ===== Instruction selection ends:
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| ; MM-DAG: t{{[0-9]+}}: i32 = LI16_MM TargetConstant:i32<1>
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| ; MM-DAG: t{{[0-9]+}}: i32 = ADDiu_MM Register:i32 $zero, TargetConstant:i32<2048>
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| ; MM-DAG: t{{[0-9]+}}: i32 = LUi_MM TargetConstant:i32<128>
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| ; MM:     t{{[0-9]+}}: ch,glue = JAL_MM TargetGlobalAddress:i32<void (i32, i32, i32)* @f>
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| 
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| ; MM:     t[[A:[0-9]+]]: i32 = LUi_MM TargetConstant:i32<2304>
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| ; MM:     t{{[0-9]+}}: i32 = ORi_MM t[[A]], TargetConstant:i32<2>
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