58c0210023
Add support for lowering pointer arguments. Changing type from pointer to integer is already done in MipsTargetLowering::getRegisterTypeForCallingConv. Patch by Petar Avramovic. Differential Revision: https://reviews.llvm.org/D49419 llvm-svn: 337912
37 lines
959 B
LLVM
37 lines
959 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -O0 -mtriple=mipsel-linux-gnu -global-isel -verify-machineinstrs %s -o -| FileCheck %s -check-prefixes=MIPS32
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define i32 @ptr_arg_in_regs(i32* %p) {
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; MIPS32-LABEL: ptr_arg_in_regs:
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; MIPS32: # %bb.0: # %entry
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; MIPS32-NEXT: lw $2, 0($4)
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; MIPS32-NEXT: jr $ra
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; MIPS32-NEXT: nop
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entry:
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%0 = load i32, i32* %p
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ret i32 %0
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}
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define i32 @ptr_arg_on_stack(i32 %x1, i32 %x2, i32 %x3, i32 %x4, i32* %p) {
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; MIPS32-LABEL: ptr_arg_on_stack:
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; MIPS32: # %bb.0: # %entry
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; MIPS32-NEXT: addiu $1, $sp, 16
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; MIPS32-NEXT: lw $1, 0($1)
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; MIPS32-NEXT: lw $2, 0($1)
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; MIPS32-NEXT: jr $ra
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; MIPS32-NEXT: nop
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entry:
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%0 = load i32, i32* %p
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ret i32 %0
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}
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define i8* @ret_ptr(i8* %p) {
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; MIPS32-LABEL: ret_ptr:
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; MIPS32: # %bb.0: # %entry
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; MIPS32-NEXT: move $2, $4
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; MIPS32-NEXT: jr $ra
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; MIPS32-NEXT: nop
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entry:
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ret i8* %p
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}
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