forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			86 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			86 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=riscv32 -relocation-model=static < %s \
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; RUN:     | FileCheck -check-prefix=RV32-STATIC %s
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; RUN: llc -mtriple=riscv32 -relocation-model=pic < %s \
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; RUN:     | FileCheck -check-prefix=RV32-PIC %s
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; RUN: llc -mtriple=riscv64 -relocation-model=static < %s \
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; RUN:     | FileCheck -check-prefix=RV64-STATIC %s
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; RUN: llc -mtriple=riscv64 -relocation-model=pic < %s \
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; RUN:     | FileCheck -check-prefix=RV64-PIC %s
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; Check basic lowering of PIC addressing.
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; TODO: Check other relocation models?
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@external_var = external global i32
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@internal_var = internal global i32 42
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; external address
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define i32* @f1() nounwind {
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; RV32-STATIC-LABEL: f1:
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; RV32-STATIC:       # %bb.0: # %entry
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; RV32-STATIC-NEXT:    lui a0, %hi(external_var)
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; RV32-STATIC-NEXT:    addi a0, a0, %lo(external_var)
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; RV32-STATIC-NEXT:    ret
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;
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; RV32-PIC-LABEL: f1:
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; RV32-PIC:       # %bb.0: # %entry
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; RV32-PIC-NEXT:  .LBB0_1: # %entry
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; RV32-PIC-NEXT:    # Label of block must be emitted
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; RV32-PIC-NEXT:    auipc a0, %got_pcrel_hi(external_var)
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; RV32-PIC-NEXT:    lw a0, %pcrel_lo(.LBB0_1)(a0)
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; RV32-PIC-NEXT:    ret
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;
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; RV64-STATIC-LABEL: f1:
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; RV64-STATIC:       # %bb.0: # %entry
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; RV64-STATIC-NEXT:    lui a0, %hi(external_var)
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; RV64-STATIC-NEXT:    addi a0, a0, %lo(external_var)
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; RV64-STATIC-NEXT:    ret
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;
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; RV64-PIC-LABEL: f1:
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; RV64-PIC:       # %bb.0: # %entry
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; RV64-PIC-NEXT:  .LBB0_1: # %entry
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; RV64-PIC-NEXT:    # Label of block must be emitted
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; RV64-PIC-NEXT:    auipc a0, %got_pcrel_hi(external_var)
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; RV64-PIC-NEXT:    ld a0, %pcrel_lo(.LBB0_1)(a0)
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; RV64-PIC-NEXT:    ret
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entry:
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  ret i32* @external_var
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}
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; internal address
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define i32* @f2() nounwind {
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; RV32-STATIC-LABEL: f2:
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; RV32-STATIC:       # %bb.0: # %entry
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; RV32-STATIC-NEXT:    lui a0, %hi(internal_var)
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; RV32-STATIC-NEXT:    addi a0, a0, %lo(internal_var)
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; RV32-STATIC-NEXT:    ret
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;
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; RV32-PIC-LABEL: f2:
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; RV32-PIC:       # %bb.0: # %entry
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; RV32-PIC-NEXT:  .LBB1_1: # %entry
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; RV32-PIC-NEXT:    # Label of block must be emitted
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; RV32-PIC-NEXT:    auipc a0, %pcrel_hi(internal_var)
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; RV32-PIC-NEXT:    addi a0, a0, %pcrel_lo(.LBB1_1)
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; RV32-PIC-NEXT:    ret
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;
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; RV64-STATIC-LABEL: f2:
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; RV64-STATIC:       # %bb.0: # %entry
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; RV64-STATIC-NEXT:    lui a0, %hi(internal_var)
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; RV64-STATIC-NEXT:    addi a0, a0, %lo(internal_var)
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; RV64-STATIC-NEXT:    ret
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;
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; RV64-PIC-LABEL: f2:
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; RV64-PIC:       # %bb.0: # %entry
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; RV64-PIC-NEXT:  .LBB1_1: # %entry
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; RV64-PIC-NEXT:    # Label of block must be emitted
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; RV64-PIC-NEXT:    auipc a0, %pcrel_hi(internal_var)
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; RV64-PIC-NEXT:    addi a0, a0, %pcrel_lo(.LBB1_1)
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; RV64-PIC-NEXT:    ret
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entry:
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  ret i32* @internal_var
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}
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