tests_lit/llvm2ice_tests/returns_twice_no_coalesce.ll - Issue 589003002: Subzero: Refactor tracking of Defs and block-local Variables.

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

Issue 589003002: Subzero: Refactor tracking of Defs and block-local Variables. (Closed) Base URL: https://chromium.googlesource.com/native_client/pnacl-subzero.git@master

Patch Set: "Mark args as being used in the entry node" was unnecessary. Created 6 years, 3 months ago

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1 ; This file checks that SimpleCoalescing of local stack slots is not done	1 ; This file checks that SimpleCoalescing of local stack slots is not done

2 ; when calling a function with the "returns twice" attribute.	2 ; when calling a function with the "returns twice" attribute.

3	3

4 ; RUN: %llvm2ice -Om1 --verbose none %s \	4 ; RUN: %llvm2ice -Om1 --verbose none %s \

5 ; RUN: \| llvm-mc -triple=i686-none-nacl -x86-asm-syntax=intel -filetype=obj \	5 ; RUN: \| llvm-mc -triple=i686-none-nacl -x86-asm-syntax=intel -filetype=obj \

6 ; RUN: \| llvm-objdump -d --symbolize -x86-asm-syntax=intel - \| FileCheck %s	6 ; RUN: \| llvm-objdump -d --symbolize -x86-asm-syntax=intel - \| FileCheck %s

7 ; RUN: %llvm2ice --verbose none %s \| FileCheck --check-prefix=ERRORS %s	7 ; RUN: %llvm2ice --verbose none %s \| FileCheck --check-prefix=ERRORS %s

8	8

9 ; Setjmp is a function with the "returns twice" attribute.	9 ; Setjmp is a function with the "returns twice" attribute.

10 declare i32 @llvm.nacl.setjmp(i8*)	10 declare i32 @llvm.nacl.setjmp(i8*)

(...skipping 37 matching lines...) Expand 10 before \| Expand all \| Expand 10 after Loading...
48 ret i32 %other_local	48 ret i32 %other_local

49 NonZero:	49 NonZero:

50 ret i32 1	50 ret i32 1

51 }	51 }

52	52

53 ; CHECK-LABEL: no_call_returns_twice	53 ; CHECK-LABEL: no_call_returns_twice

54 ; CHECK: add [[REG1:.*]], 12345	54 ; CHECK: add [[REG1:.*]], 12345

55 ; CHECK: mov dword ptr [esp + [[OFF:.*]]], [[REG1]]	55 ; CHECK: mov dword ptr [esp + [[OFF:.*]]], [[REG1]]

56 ; CHECK: add [[REG2:.*]], 54321	56 ; CHECK: add [[REG2:.*]], 54321

57 ; Now there should be sharing of the stack slot (OFF is the same).	57 ; Now there should be sharing of the stack slot (OFF is the same).

58 ; CHECK: mov dword ptr [esp + [[OFF]]], [[REG2]]	58 ; Commenting out after disabling simple coalescing for -Om1.

	59 ; TODO(stichnot): Add it back if/when we add a flag to enable simple

	60 ; coalescing.

	61 ; xCHECK: mov dword ptr [esp + [[OFF]]], [[REG2]]

59	62

60 ; ERRORS-NOT: ICE translation error	63 ; ERRORS-NOT: ICE translation error

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