tests_lit/llvm2ice_tests/licm.ll - Issue 2138443002: Subzero: Loop Invariant Code Motion

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Side by Side Diff: tests_lit/llvm2ice_tests/licm.ll

Issue 2138443002: Subzero: Loop Invariant Code Motion (Closed) Base URL: https://chromium.googlesource.com/native_client/pnacl-subzero.git@master

Patch Set: Address comments Created 4 years, 5 months ago

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	1 ; Tests if the licm flag successfully hoists the add from loop0 to entry

	2

	3 ; RUN: %p2i -i %s --filetype=obj --disassemble --target x8664 --args \

	4 ; RUN: -O2 -licm \| FileCheck --check-prefix ENABLE %s

	5

	6 ; RUN: %p2i -i %s --filetype=obj --disassemble --target x8664 --args \

	7 ; RUN: -O2 \| FileCheck --check-prefix NOENABLE %s

	8

	9 define internal void @dummy() {

	10 entry:

	11 ret void

	12 }

	13 define internal i32 @test_licm(i32 %a32, i32 %b, i32 %c) {

	14 entry:

	15 %a = trunc i32 %a32 to i1

	16 br label %loop0

	17 loop0: ; <-+

	18 call void @dummy() ; \|

	19 %add1 = add i32 %b, %c ; \|

	20 br label %loop1 ; \|

	21 loop1: ; \|

	22 br i1 %a, label %loop0, label %out ; --+

	23 out:

	24 ret i32 %add1

	25 }

	26

	27 ; CHECK-LABEL: test_licm

	28

	29 ; ENABLE: add

	30 ; ENABLE: call

	31

	32 ; NOENABLE: call

	33 ; NOENABLE-NEXT: mov

	34 ; NOENABLE-NEXT: add

	35

	36 ; CHECK: ret

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