37 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			37 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: not llc -mtriple=riscv32 -mattr=+reserve-x1 < %s 2>&1 | FileCheck %s -check-prefix=X1
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| ; RUN: not llc -mtriple=riscv64 -mattr=+reserve-x1 < %s 2>&1 | FileCheck %s -check-prefix=X1
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| ; RUN: not llc -mtriple=riscv32 -mattr=+reserve-x2 < %s 2>&1 | FileCheck %s -check-prefix=X2
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| ; RUN: not llc -mtriple=riscv64 -mattr=+reserve-x2 < %s 2>&1 | FileCheck %s -check-prefix=X2
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| ; RUN: not llc -mtriple=riscv32 -mattr=+reserve-x8 < %s 2>&1 | FileCheck %s -check-prefix=X8
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| ; RUN: not llc -mtriple=riscv64 -mattr=+reserve-x8 < %s 2>&1 | FileCheck %s -check-prefix=X8
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| ; RUN: not llc -mtriple=riscv32 -mattr=+reserve-x10 < %s 2>&1 | FileCheck %s -check-prefix=X10
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| ; RUN: not llc -mtriple=riscv64 -mattr=+reserve-x10 < %s 2>&1 | FileCheck %s -check-prefix=X10
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| ; RUN: llc -mtriple=riscv32 -mattr=+reserve-x11 < %s 2>&1 | FileCheck %s -check-prefix=X11
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| ; RUN: llc -mtriple=riscv32 -mattr=+reserve-x11 < %s 2>&1 | FileCheck %s -check-prefix=X11
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| ; RUN: llc -mtriple=riscv32 <%s
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| ; RUN: llc -mtriple=riscv64 <%s
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| 
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| ; This tests combinations when we would expect an error to be produced because
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| ; a reserved register is required by the default ABI. The final test checks no
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| ; errors are produced when no registers are reserved.
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| 
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| define i32 @caller(i32 %a) #0 {
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| ; X1: in function caller {{.*}} Return address register required, but has been reserved.
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| ; X2: in function caller {{.*}} Stack pointer required, but has been reserved.
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| ; X8: in function caller {{.*}} Frame pointer required, but has been reserved.
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| ; X10: in function caller {{.*}} Argument register required, but has been reserved.
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| ; X10: in function caller {{.*}} Return value register required, but has been reserved.
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|   %call = call i32 @callee(i32 0)
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|   ret i32 %call
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| }
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| 
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| declare i32 @callee(i32 %a)
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| 
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| define void @clobber() {
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| ; X11: warning: inline asm clobber list contains reserved registers: X11
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|   call void asm sideeffect "nop", "~{x11}"()
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|   ret void
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| }
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| 
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| attributes #0 = { "frame-pointer"="all" }
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