39 lines
1.1 KiB
Plaintext
39 lines
1.1 KiB
Plaintext
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# RUN: llc -O0 -mtriple=mipsel-linux-gnu -run-pass=mips-prelegalizer-combiner -verify-machineinstrs -debug %s -o - 2>&1 | FileCheck %s -check-prefixes=MIPS32
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# REQUIRES: asserts
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--- |
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define void @f() {entry: ret void}
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...
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---
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# Check that we report attempts to combine each instruction from the input
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# since none of them gets changed in this test.
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# MIPS32-LABEL: Generic MI Combiner for: f
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# MIPS32: Try combining %0:_(s32) = COPY $a0
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# MIPS32: Try combining %1:_(s32) = COPY $a1
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# MIPS32: Try combining %2:_(s32) = G_ADD %1:_, %0:_
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# MIPS32: Try combining $v0 = COPY %2:_(s32)
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# MIPS32: Try combining RetRA implicit $v0
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name: f
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alignment: 4
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tracksRegLiveness: true
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body: |
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bb.1.entry:
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liveins: $a0, $a1
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; MIPS32-LABEL: name: f
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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 [[COPY1]], [[COPY]]
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; MIPS32: $v0 = COPY [[ADD]](s32)
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; MIPS32: RetRA implicit $v0
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%0:_(s32) = COPY $a0
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%1:_(s32) = COPY $a1
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%2:_(s32) = G_ADD %1, %0
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$v0 = COPY %2(s32)
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RetRA implicit $v0
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...
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