70 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			70 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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| ; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \
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| ; RUN:   | FileCheck %s -check-prefix=RV32I
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| ; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \
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| ; RUN:   | FileCheck %s -check-prefix=RV64I
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| 
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| declare void @callee(i8*, i32*)
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| 
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| define void @caller(i32 %n) {
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| ; RV32I-LABEL: caller:
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| ; RV32I:       # %bb.0:
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| ; RV32I-NEXT:    addi sp, sp, -64
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| ; RV32I-NEXT:    .cfi_def_cfa_offset 64
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| ; RV32I-NEXT:    sw ra, 60(sp) # 4-byte Folded Spill
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| ; RV32I-NEXT:    sw s0, 56(sp) # 4-byte Folded Spill
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| ; RV32I-NEXT:    sw s1, 52(sp) # 4-byte Folded Spill
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| ; RV32I-NEXT:    .cfi_offset ra, -4
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| ; RV32I-NEXT:    .cfi_offset s0, -8
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| ; RV32I-NEXT:    .cfi_offset s1, -12
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| ; RV32I-NEXT:    addi s0, sp, 64
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| ; RV32I-NEXT:    .cfi_def_cfa s0, 0
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| ; RV32I-NEXT:    andi sp, sp, -64
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| ; RV32I-NEXT:    mv s1, sp
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| ; RV32I-NEXT:    addi a0, a0, 15
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| ; RV32I-NEXT:    andi a0, a0, -16
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| ; RV32I-NEXT:    sub a0, sp, a0
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| ; RV32I-NEXT:    mv sp, a0
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| ; RV32I-NEXT:    mv a1, s1
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| ; RV32I-NEXT:    call callee@plt
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| ; RV32I-NEXT:    addi sp, s0, -64
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| ; RV32I-NEXT:    lw s1, 52(sp) # 4-byte Folded Reload
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| ; RV32I-NEXT:    lw s0, 56(sp) # 4-byte Folded Reload
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| ; RV32I-NEXT:    lw ra, 60(sp) # 4-byte Folded Reload
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| ; RV32I-NEXT:    addi sp, sp, 64
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| ; RV32I-NEXT:    ret
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| ;
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| ; RV64I-LABEL: caller:
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| ; RV64I:       # %bb.0:
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| ; RV64I-NEXT:    addi sp, sp, -64
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| ; RV64I-NEXT:    .cfi_def_cfa_offset 64
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| ; RV64I-NEXT:    sd ra, 56(sp) # 8-byte Folded Spill
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| ; RV64I-NEXT:    sd s0, 48(sp) # 8-byte Folded Spill
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| ; RV64I-NEXT:    sd s1, 40(sp) # 8-byte Folded Spill
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| ; RV64I-NEXT:    .cfi_offset ra, -8
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| ; RV64I-NEXT:    .cfi_offset s0, -16
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| ; RV64I-NEXT:    .cfi_offset s1, -24
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| ; RV64I-NEXT:    addi s0, sp, 64
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| ; RV64I-NEXT:    .cfi_def_cfa s0, 0
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| ; RV64I-NEXT:    andi sp, sp, -64
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| ; RV64I-NEXT:    mv s1, sp
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| ; RV64I-NEXT:    slli a0, a0, 32
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| ; RV64I-NEXT:    srli a0, a0, 32
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| ; RV64I-NEXT:    addi a0, a0, 15
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| ; RV64I-NEXT:    andi a0, a0, -16
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| ; RV64I-NEXT:    sub a0, sp, a0
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| ; RV64I-NEXT:    mv sp, a0
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| ; RV64I-NEXT:    mv a1, s1
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| ; RV64I-NEXT:    call callee@plt
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| ; RV64I-NEXT:    addi sp, s0, -64
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| ; RV64I-NEXT:    ld s1, 40(sp) # 8-byte Folded Reload
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| ; RV64I-NEXT:    ld s0, 48(sp) # 8-byte Folded Reload
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| ; RV64I-NEXT:    ld ra, 56(sp) # 8-byte Folded Reload
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| ; RV64I-NEXT:    addi sp, sp, 64
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| ; RV64I-NEXT:    ret
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|   %1 = alloca i8, i32 %n
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|   %2 = alloca i32, align 64
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|   call void @callee(i8* %1, i32 *%2)
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|   ret void
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| }
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