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comparison llvm/test/Feature/optnone-opt.ll @ 150:1d019706d866

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LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
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children 2e18cbf3894f
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147:c2174574ed3a 150:1d019706d866
1 ; RUN: opt -S -debug %s 2>&1 | FileCheck %s --check-prefix=OPT-O0
2 ; RUN: opt -O1 -S -debug %s 2>&1 | FileCheck %s --check-prefix=OPT-O1
3 ; RUN: opt -O2 -S -debug %s 2>&1 | FileCheck %s --check-prefix=OPT-O1 --check-prefix=OPT-O2O3
4 ; RUN: opt -O3 -S -debug %s 2>&1 | FileCheck %s --check-prefix=OPT-O1 --check-prefix=OPT-O2O3
5 ; RUN: opt -dce -die -gvn-hoist -loweratomic -S -debug %s 2>&1 | FileCheck %s --check-prefix=OPT-MORE
6 ; RUN: opt -indvars -licm -loop-deletion -loop-extract -loop-idiom -loop-instsimplify -loop-reduce -loop-reroll -loop-rotate -loop-unroll -loop-unswitch -S -debug %s 2>&1 | FileCheck %s --check-prefix=OPT-LOOP
7
8 ; REQUIRES: asserts
9
10 ; This test verifies that we don't run target independent IR-level
11 ; optimizations on optnone functions.
12
13 ; Function Attrs: noinline optnone
14 define i32 @_Z3fooi(i32 %x) #0 {
15 entry:
16 %x.addr = alloca i32, align 4
17 store i32 %x, i32* %x.addr, align 4
18 br label %while.cond
19
20 while.cond: ; preds = %while.body, %entry
21 %0 = load i32, i32* %x.addr, align 4
22 %dec = add nsw i32 %0, -1
23 store i32 %dec, i32* %x.addr, align 4
24 %tobool = icmp ne i32 %0, 0
25 br i1 %tobool, label %while.body, label %while.end
26
27 while.body: ; preds = %while.cond
28 br label %while.cond
29
30 while.end: ; preds = %while.cond
31 ret i32 0
32 }
33
34 attributes #0 = { optnone noinline }
35
36 ; Nothing that runs at -O0 gets skipped.
37 ; OPT-O0-NOT: Skipping pass
38
39 ; IR passes run at -O1 and higher.
40 ; OPT-O1-DAG: Skipping pass 'Aggressive Dead Code Elimination'
41 ; OPT-O1-DAG: Skipping pass 'Combine redundant instructions'
42 ; OPT-O1-DAG: Skipping pass 'Early CSE'
43 ; OPT-O1-DAG: Skipping pass 'Reassociate expressions'
44 ; OPT-O1-DAG: Skipping pass 'Simplify the CFG'
45 ; OPT-O1-DAG: Skipping pass 'Sparse Conditional Constant Propagation'
46
47 ; Additional IR passes run at -O2 and higher.
48 ; OPT-O2O3-DAG: Skipping pass 'Global Value Numbering'
49 ; OPT-O2O3-DAG: Skipping pass 'SLP Vectorizer'
50
51 ; Additional IR passes that opt doesn't turn on by default.
52 ; OPT-MORE-DAG: Skipping pass 'Dead Code Elimination'
53 ; OPT-MORE-DAG: Skipping pass 'Dead Instruction Elimination'
54
55 ; Loop IR passes that opt doesn't turn on by default.
56 ; OPT-LOOP-DAG: Skipping pass 'Delete dead loops'
57 ; OPT-LOOP-DAG: Skipping pass 'Induction Variable Simplification'
58 ; OPT-LOOP-DAG: Skipping pass 'Loop Invariant Code Motion'
59 ; OPT-LOOP-DAG: Skipping pass 'Loop Strength Reduction'
60 ; OPT-LOOP-DAG: Skipping pass 'Recognize loop idioms'
61 ; OPT-LOOP-DAG: Skipping pass 'Reroll loops'
62 ; OPT-LOOP-DAG: Skipping pass 'Rotate Loops'
63 ; OPT-LOOP-DAG: Skipping pass 'Simplify instructions in loops'
64 ; OPT-LOOP-DAG: Skipping pass 'Unroll loops'
65 ; OPT-LOOP-DAG: Skipping pass 'Unswitch loops'