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
10 ; This test verifies that we don't run target independent IR-level
11 ; optimizations on optnone functions.
13 ; Function Attrs: noinline optnone
14 define i32 @_Z3fooi(i32 %x) #0 {
16 %x.addr = alloca i32, align 4
17 store i32 %x, i32* %x.addr, align 4
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
27 while.body: ; preds = %while.cond
30 while.end: ; preds = %while.cond
34 attributes #0 = { optnone noinline }
36 ; Nothing that runs at -O0 gets skipped.
37 ; OPT-O0-NOT: Skipping pass
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 'Dead Store Elimination'
43 ; OPT-O1-DAG: Skipping pass 'Early CSE'
44 ; OPT-O1-DAG: Skipping pass 'Jump Threading'
45 ; OPT-O1-DAG: Skipping pass 'MemCpy Optimization'
46 ; OPT-O1-DAG: Skipping pass 'Reassociate expressions'
47 ; OPT-O1-DAG: Skipping pass 'Simplify the CFG'
48 ; OPT-O1-DAG: Skipping pass 'Sparse Conditional Constant Propagation'
49 ; OPT-O1-DAG: Skipping pass 'SROA'
50 ; OPT-O1-DAG: Skipping pass 'Tail Call Elimination'
51 ; OPT-O1-DAG: Skipping pass 'Value Propagation'
53 ; Additional IR passes run at -O2 and higher.
54 ; OPT-O2O3-DAG: Skipping pass 'Global Value Numbering'
55 ; OPT-O2O3-DAG: Skipping pass 'SLP Vectorizer'
57 ; Additional IR passes that opt doesn't turn on by default.
58 ; OPT-MORE-DAG: Skipping pass 'Dead Code Elimination'
59 ; OPT-MORE-DAG: Skipping pass 'Dead Instruction Elimination'
61 ; Loop IR passes that opt doesn't turn on by default.
62 ; OPT-LOOP-DAG: Skipping pass 'Delete dead loops'
63 ; OPT-LOOP-DAG: Skipping pass 'Extract loops into new functions'
64 ; OPT-LOOP-DAG: Skipping pass 'Induction Variable Simplification'
65 ; OPT-LOOP-DAG: Skipping pass 'Loop Invariant Code Motion'
66 ; OPT-LOOP-DAG: Skipping pass 'Loop Strength Reduction'
67 ; OPT-LOOP-DAG: Skipping pass 'Recognize loop idioms'
68 ; OPT-LOOP-DAG: Skipping pass 'Reroll loops'
69 ; OPT-LOOP-DAG: Skipping pass 'Rotate Loops'
70 ; OPT-LOOP-DAG: Skipping pass 'Simplify instructions in loops'
71 ; OPT-LOOP-DAG: Skipping pass 'Unroll loops'
72 ; OPT-LOOP-DAG: Skipping pass 'Unswitch loops'