tests_lit/llvm2ice_tests/nacl-atomic-cmpxchg-optimization.ll - Issue 955003002: Subzero: Clean up function header emission.

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Side by Side Diff: tests_lit/llvm2ice_tests/nacl-atomic-cmpxchg-optimization.ll

Issue 955003002: Subzero: Clean up function header emission. (Closed) Base URL: https://chromium.googlesource.com/native_client/pnacl-subzero.git@master

Patch Set: Fix the tests that were broken as a result Created 5 years, 9 months ago

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1 ; This tests the optimization of atomic cmpxchg w/ following cmp + branches.	1 ; This tests the optimization of atomic cmpxchg w/ following cmp + branches.

2	2

3 ; RUN: %p2i -i %s --assemble --disassemble --args -O2 --verbose none \	3 ; RUN: %p2i -i %s --filetype=obj --disassemble --args -O2 \

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

5 ; RUN: %p2i -i %s --assemble --disassemble --args -Om1 --verbose none \	5 ; RUN: %p2i -i %s --filetype=obj --disassemble --args -Om1 \

6 ; RUN: \| FileCheck --check-prefix=OM1 %s	6 ; RUN: \| FileCheck --check-prefix=OM1 %s

7	7

8 declare i32 @llvm.nacl.atomic.cmpxchg.i32(i32*, i32, i32, i32, i32)	8 declare i32 @llvm.nacl.atomic.cmpxchg.i32(i32*, i32, i32, i32, i32)

9	9

10	10

11 ; Test that a cmpxchg followed by icmp eq and branch can be optimized to	11 ; Test that a cmpxchg followed by icmp eq and branch can be optimized to

12 ; reuse the flags set by the cmpxchg instruction itself.	12 ; reuse the flags set by the cmpxchg instruction itself.

13 ; This is only expected to work w/ O2, based on lightweight liveness.	13 ; This is only expected to work w/ O2, based on lightweight liveness.

14 ; (Or if we had other means to detect the only use).	14 ; (Or if we had other means to detect the only use).

15 declare void @use_value(i32)	15 declare void @use_value(i32)

(...skipping 108 matching lines...) Expand 10 before \| Expand all \| Expand 10 after Loading...
124	124

125 done:	125 done:

126 %r = zext i1 %success to i32	126 %r = zext i1 %success to i32

127 ret i32 %r	127 ret i32 %r

128 }	128 }

129 ; O2-LABEL: test_atomic_cmpxchg_no_opt2	129 ; O2-LABEL: test_atomic_cmpxchg_no_opt2

130 ; O2: lock cmpxchg DWORD PTR [e{{[^a].}}],e{{[^a]}}	130 ; O2: lock cmpxchg DWORD PTR [e{{[^a].}}],e{{[^a]}}

131 ; O2: mov {{.*}}	131 ; O2: mov {{.*}}

132 ; O2: cmp	132 ; O2: cmp

133 ; O2: je	133 ; O2: je

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