366857a23a
Add the minimal support necessary to lower a function that returns the sum of two i32 values. Support argument/return lowering of i32 values through registers only. Add tablegen for regbankselect and instructionselect. Patch by Petar Avramovic. Differential Revision: https://reviews.llvm.org/D44304 llvm-svn: 329819
17 lines
631 B
LLVM
17 lines
631 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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; RUN: llc -O0 -mtriple=mipsel-linux-gnu -global-isel -stop-after=irtranslator -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=MIPS32
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define i32 @add_i32(i32 %x, i32 %y) {
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; MIPS32-LABEL: name: add_i32
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; MIPS32: bb.1.entry:
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; MIPS32: liveins: $a0, $a1
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; MIPS32: [[COPY:%[0-9]+]]:_(s32) = COPY $a0
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; MIPS32: [[COPY1:%[0-9]+]]:_(s32) = COPY $a1
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; MIPS32: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[COPY]], [[COPY1]]
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; MIPS32: $v0 = COPY [[ADD]](s32)
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; MIPS32: RetRA implicit $v0
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entry:
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%z = add i32 %x, %y
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ret i32 %z
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}
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