tests_lit/llvm2ice_tests/simple-loop.ll - Issue 1118353005: Subzero: Use a setcc sequence for better icmp lowering.

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Issue 1118353005: Subzero: Use a setcc sequence for better icmp lowering. (Closed) Base URL: https://chromium.googlesource.com/native_client/pnacl-subzero.git@master

Patch Set: Cleanup Created 5 years, 7 months ago

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1 ; This tests a simple loop that sums the elements of an input array.	1 ; This tests a simple loop that sums the elements of an input array.

2 ; The O2 check patterns represent the best code currently achieved.	2 ; The O2 check patterns represent the best code currently achieved.

3	3

4 ; RUN: %p2i -i %s --filetype=obj --disassemble --args -O2 \	4 ; RUN: %p2i -i %s --filetype=obj --disassemble --args -O2 \

5 ; RUN: \| FileCheck %s	5 ; RUN: \| FileCheck %s

6 ; RUN: %p2i -i %s --filetype=obj --disassemble --args -Om1 \	6 ; RUN: %p2i -i %s --filetype=obj --disassemble --args -Om1 \

7 ; RUN: \| FileCheck --check-prefix=OPTM1 %s	7 ; RUN: \| FileCheck --check-prefix=OPTM1 %s

8	8

9 define i32 @simple_loop(i32 %a, i32 %n) {	9 define i32 @simple_loop(i32 %a, i32 %n) {

10 entry:	10 entry:

(...skipping 28 matching lines...) Expand all Loading...
39 ; Check for incrementing of the register-allocated induction variable.	39 ; Check for incrementing of the register-allocated induction variable.

40 ; CHECK-NEXT: add [[IREG]],0x1	40 ; CHECK-NEXT: add [[IREG]],0x1

41 ; Check for comparing the induction variable against the loop size.	41 ; Check for comparing the induction variable against the loop size.

42 ; CHECK-NEXT: cmp [[IREG]],	42 ; CHECK-NEXT: cmp [[IREG]],

43 ; CHECK-NEXT: jl [[L]]	43 ; CHECK-NEXT: jl [[L]]

44 ;	44 ;

45 ; There's nothing remarkable under Om1 to test for, since Om1 generates	45 ; There's nothing remarkable under Om1 to test for, since Om1 generates

46 ; such atrocious code (by design).	46 ; such atrocious code (by design).

47 ; OPTM1-LABEL: simple_loop	47 ; OPTM1-LABEL: simple_loop

48 ; OPTM1: cmp {{.*}},0x0	48 ; OPTM1: cmp {{.*}},0x0

49 ; OPTM1: jg	49 ; OPTM1: setl

50 ; OPTM1: ret	50 ; OPTM1: ret

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