42 lines
		
	
	
		
			966 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			42 lines
		
	
	
		
			966 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; Test the "K" constraint (16-bit signed constants).
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| ;
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| ; RUN: llc < %s -mtriple=s390x-linux-gnu -no-integrated-as | FileCheck %s
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| 
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| ; Test 1 below the first valid value.
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| define i32 @f1() {
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| ; CHECK-LABEL: f1:
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| ; CHECK: iilf [[REG:%r[0-5]]], 4294934527
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| ; CHECK: blah %r2 [[REG]]
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| ; CHECK: br %r14
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|   %val = call i32 asm "blah $0 $1", "=&r,rK" (i32 -32769)
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|   ret i32 %val
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| }
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| 
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| ; Test the first valid value.
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| define i32 @f2() {
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| ; CHECK-LABEL: f2:
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| ; CHECK: blah %r2 -32768
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| ; CHECK: br %r14
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|   %val = call i32 asm "blah $0 $1", "=&r,rK" (i32 -32768)
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|   ret i32 %val
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| }
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| 
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| ; Test the last valid value.
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| define i32 @f3() {
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| ; CHECK-LABEL: f3:
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| ; CHECK: blah %r2 32767
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| ; CHECK: br %r14
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|   %val = call i32 asm "blah $0 $1", "=&r,rK" (i32 32767)
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|   ret i32 %val
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| }
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| 
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| ; Test 1 above the last valid value.
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| define i32 @f4() {
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| ; CHECK-LABEL: f4:
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| ; CHECK: llill [[REG:%r[0-5]]], 32768
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| ; CHECK: blah %r2 [[REG]]
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| ; CHECK: br %r14
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|   %val = call i32 asm "blah $0 $1", "=&r,rK" (i32 32768)
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|   ret i32 %val
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| }
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