tests_lit/llvm2ice_tests/unreachable.ll - Issue 300563003: Subzero: Initial O2 lowering

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Issue 300563003: Subzero: Initial O2 lowering (Closed) Base URL: https://gerrit.chromium.org/gerrit/p/native_client/pnacl-subzero.git@master

Patch Set: Jan's third-round comments Created 6 years, 6 months ago

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1 ; This tests the basic structure of the Unreachable instruction.	1 ; This tests the basic structure of the Unreachable instruction.

2	2

3 ; RUN: %llvm2ice --verbose inst %s \| FileCheck %s	3 ; RUN: %llvm2ice --verbose inst %s \| FileCheck %s

4 ; RUN: %llvm2ice --verbose none %s \| FileCheck --check-prefix=ERRORS %s	4 ; RUN: %llvm2ice --verbose none %s \| FileCheck --check-prefix=ERRORS %s

5 ; RUN: %llvm2iceinsts %s \| %szdiff %s \| FileCheck --check-prefix=DUMP %s	5 ; RUN: %llvm2iceinsts %s \| %szdiff %s \| FileCheck --check-prefix=DUMP %s

6 ; RUN: %llvm2iceinsts --pnacl %s \| %szdiff %s \	6 ; RUN: %llvm2iceinsts --pnacl %s \| %szdiff %s \

7 ; RUN: \| FileCheck --check-prefix=DUMP %s	7 ; RUN: \| FileCheck --check-prefix=DUMP %s

8	8

9 define internal i32 @divide(i32 %num, i32 %den) {	9 define internal i32 @divide(i32 %num, i32 %den) {

10 entry:	10 entry:

11 %cmp = icmp ne i32 %den, 0	11 %cmp = icmp ne i32 %den, 0

12 br i1 %cmp, label %return, label %abort	12 br i1 %cmp, label %return, label %abort

13	13

14 abort: ; preds = %entry	14 abort: ; preds = %entry

15 unreachable	15 unreachable

16 ; CHECK: unreachable	16 ; CHECK: unreachable

17	17

18 return: ; preds = %entry	18 return: ; preds = %entry

19 %div = sdiv i32 %num, %den	19 %div = sdiv i32 %num, %den

20 ret i32 %div	20 ret i32 %div

21 }	21 }

22	22

	23 ; CHECK: cmp

	24 ; CHECK: call ice_unreachable

	25 ; CHECK: cdq

	26 ; CHECK: idiv

	27 ; CHECK: ret

	28

23 ; ERRORS-NOT: ICE translation error	29 ; ERRORS-NOT: ICE translation error

24 ; DUMP-NOT: SZ	30 ; DUMP-NOT: SZ

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