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Issue 914263005: Subzero: switch from llvm-objdump to objdump for lit tests (for LLVM merge) (Closed) Base URL: https://chromium.googlesource.com/native_client/pnacl-subzero.git@master
Patch Set: fix some line wrap Created 5 years, 10 months ago
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1 ; Tests the branch optimizations under O2 (against a lack of 1 ; Tests the branch optimizations under O2 (against a lack of
2 ; optimizations under Om1). 2 ; optimizations under Om1).
3 3
4 ; RUN: %p2i -i %s --args -O2 --verbose none \ 4 ; RUN: %p2i --assemble --disassemble -i %s --args -O2 --verbose none \
5 ; RUN: | llvm-mc -triple=i686-none-nacl -filetype=obj \
6 ; RUN: | llvm-objdump -d -symbolize -x86-asm-syntax=intel - \
7 ; RUN: | FileCheck --check-prefix=O2 %s 5 ; RUN: | FileCheck --check-prefix=O2 %s
8 ; RUN: %p2i -i %s --args -Om1 --verbose none \ 6 ; RUN: %p2i --assemble --disassemble -i %s --args -Om1 --verbose none \
9 ; RUN: | llvm-mc -triple=i686-none-nacl -filetype=obj \
10 ; RUN: | llvm-objdump -d -symbolize -x86-asm-syntax=intel - \
11 ; RUN: | FileCheck --check-prefix=OM1 %s 7 ; RUN: | FileCheck --check-prefix=OM1 %s
12 8
13 declare void @dummy() 9 declare void @dummy()
14 10
15 ; An unconditional branch to the next block should be removed. 11 ; An unconditional branch to the next block should be removed.
16 define void @testUncondToNextBlock() { 12 define void @testUncondToNextBlock() {
17 entry: 13 entry:
18 call void @dummy() 14 call void @dummy()
19 br label %next 15 br label %next
20 next: 16 next:
(...skipping 19 matching lines...) Expand all
40 %cmp = icmp sge i32 %arg, 123 36 %cmp = icmp sge i32 %arg, 123
41 br i1 %cmp, label %target, label %fallthrough 37 br i1 %cmp, label %target, label %fallthrough
42 fallthrough: 38 fallthrough:
43 call void @dummy() 39 call void @dummy()
44 ret void 40 ret void
45 target: 41 target:
46 call void @dummy() 42 call void @dummy()
47 ret void 43 ret void
48 } 44 }
49 ; O2-LABEL: testCondFallthroughToNextBlock 45 ; O2-LABEL: testCondFallthroughToNextBlock
50 ; O2: cmp {{.*}}, 123 46 ; O2: cmp {{.*}},0x7b
51 ; O2-NEXT: jge 47 ; O2-NEXT: jge
52 ; O2-NOT: j 48 ; O2-NOT: j
53 ; O2: call 49 ; O2: call
54 ; O2: ret 50 ; O2: ret
55 ; O2: call 51 ; O2: call
56 ; O2: ret 52 ; O2: ret
57 53
58 ; OM1-LABEL: testCondFallthroughToNextBlock 54 ; OM1-LABEL: testCondFallthroughToNextBlock
59 ; OM1: cmp {{.*}}, 123 55 ; OM1: cmp {{.*}},0x7b
60 ; OM1: jge 56 ; OM1: jge
61 ; OM1: cmp 57 ; OM1: cmp
62 ; OM1: jne 58 ; OM1: jne
63 ; OM1: jmp 59 ; OM1: jmp
64 ; OM1: call 60 ; OM1: call
65 ; OM1: ret 61 ; OM1: ret
66 ; OM1: call 62 ; OM1: call
67 ; OM1: ret 63 ; OM1: ret
68 64
69 ; For a conditional branch with the next block as the target and a 65 ; For a conditional branch with the next block as the target and a
70 ; different block as the fallthrough, the branch condition should be 66 ; different block as the fallthrough, the branch condition should be
71 ; inverted, the fallthrough block changed to the target, and the 67 ; inverted, the fallthrough block changed to the target, and the
72 ; branch to the next block removed. 68 ; branch to the next block removed.
73 define void @testCondTargetNextBlock(i32 %arg) { 69 define void @testCondTargetNextBlock(i32 %arg) {
74 entry: 70 entry:
75 %cmp = icmp sge i32 %arg, 123 71 %cmp = icmp sge i32 %arg, 123
76 br i1 %cmp, label %fallthrough, label %target 72 br i1 %cmp, label %fallthrough, label %target
77 fallthrough: 73 fallthrough:
78 call void @dummy() 74 call void @dummy()
79 ret void 75 ret void
80 target: 76 target:
81 call void @dummy() 77 call void @dummy()
82 ret void 78 ret void
83 } 79 }
84 ; O2-LABEL: testCondTargetNextBlock 80 ; O2-LABEL: testCondTargetNextBlock
85 ; O2: cmp {{.*}}, 123 81 ; O2: cmp {{.*}},0x7b
86 ; O2-NEXT: jl 82 ; O2-NEXT: jl
87 ; O2-NOT: j 83 ; O2-NOT: j
88 ; O2: call 84 ; O2: call
89 ; O2: ret 85 ; O2: ret
90 ; O2: call 86 ; O2: call
91 ; O2: ret 87 ; O2: ret
92 88
93 ; OM1-LABEL: testCondTargetNextBlock 89 ; OM1-LABEL: testCondTargetNextBlock
94 ; OM1: cmp {{.*}}, 123 90 ; OM1: cmp {{.*}},0x7b
95 ; OM1: jge 91 ; OM1: jge
96 ; OM1: cmp 92 ; OM1: cmp
97 ; OM1: jne 93 ; OM1: jne
98 ; OM1: jmp 94 ; OM1: jmp
99 ; OM1: call 95 ; OM1: call
100 ; OM1: ret 96 ; OM1: ret
101 ; OM1: call 97 ; OM1: call
102 ; OM1: ret 98 ; OM1: ret
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