70 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			70 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -verify-machineinstrs -mcpu=a2 < %s | FileCheck %s
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| target datalayout = "E-m:e-i64:64-n32:64"
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| target triple = "powerpc64-unknown-linux-gnu"
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| 
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| ; Function Attrs: nounwind
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| define double @foo1(i32* %x) #0 {
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| entry:
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|   %0 = load i32, i32* %x, align 4
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|   %conv = sext i32 %0 to i64
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|   %conv1 = sitofp i64 %conv to double
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|   ret double %conv1
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| 
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| ; CHECK-LABEL: @foo1
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| ; CHECK: lfiwax [[REG1:[0-9]+]], 0, 3
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| ; CHECK: fcfid 1, [[REG1]]
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| ; CHECK: blr
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| }
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| 
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| define double @foo2(i32* %x) #0 {
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| entry:
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|   %0 = load i32, i32* %x, align 4
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|   %conv = zext i32 %0 to i64
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|   %conv1 = sitofp i64 %conv to double
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|   ret double %conv1
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| 
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| ; CHECK-LABEL: @foo2
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| ; CHECK: lfiwzx [[REG1:[0-9]+]], 0, 3
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| ; CHECK: fcfid 1, [[REG1]]
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| ; CHECK: blr
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| }
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| 
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| define double @foo3(i32* %x) #0 {
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| entry:
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|   %0 = load i32, i32* %x, align 4
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|   %1 = add i32 %0, 8
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|   %conv = zext i32 %1 to i64
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|   %conv1 = sitofp i64 %conv to double
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|   ret double %conv1
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| 
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| ; CHECK-LABEL: @foo3
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| ; CHECK-DAG: lwz [[REG1:[0-9]+]], 0(3)
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| ; CHECK-DAG: addi [[REG3:[0-9]+]], 1,
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| ; CHECK-DAG: addi [[REG2:[0-9]+]], [[REG1]], 8
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| ; CHECK-DAG: stw [[REG2]],
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| ; CHECK: lfiwzx [[REG4:[0-9]+]], 0, [[REG3]]
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| ; CHECK: fcfid 1, [[REG4]]
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| ; CHECK: blr
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| }
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| 
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| define double @foo4(i32* %x) #0 {
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| entry:
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|   %0 = load i32, i32* %x, align 4
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|   %1 = add i32 %0, 8
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|   %conv = sext i32 %1 to i64
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|   %conv1 = sitofp i64 %conv to double
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|   ret double %conv1
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| 
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| ; CHECK-LABEL: @foo4
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| ; CHECK-DAG: lwz [[REG1:[0-9]+]], 0(3)
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| ; CHECK-DAG: addi [[REG3:[0-9]+]], 1,
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| ; CHECK-DAG: addi [[REG2:[0-9]+]], [[REG1]], 8
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| ; CHECK-DAG: stw [[REG2]],
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| ; CHECK: lfiwax [[REG4:[0-9]+]], 0, [[REG3]]
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| ; CHECK: fcfid 1, [[REG4]]
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| ; CHECK: blr
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| }
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| 
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| attributes #0 = { nounwind }
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| 
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