9adbb5cb3a
Many tests use opt's -analyze feature, which does not translate well to
NPM and has better alternatives. The alternative here is to explicitly
add a pass that calls ScalarEvolution::print().
The legacy pass manager RUNs aren't changing, but they are now pinned to
the legacy pass manager. For each legacy pass manager RUN, I added a
corresponding NPM RUN using the 'print<scalar-evolution>' pass. For
compatibility with update_analyze_test_checks.py and existing test
CHECKs, 'print<scalar-evolution>' now prints what -analyze prints per
function.
This was generated by the following Python script and failures were
manually fixed up:
import sys
for i in sys.argv:
with open(i, 'r') as f:
s = f.read()
with open(i, 'w') as f:
for l in s.splitlines():
if "RUN:" in l and ' -analyze ' in l and '\\' not in l:
f.write(l.replace(' -analyze ', ' -analyze -enable-new-pm=0 '))
f.write('\n')
f.write(l.replace(' -analyze ', ' -disable-output ').replace(' -scalar-evolution ', ' "-passes=print<scalar-evolution>" ').replace(" | ", " 2>&1 | "))
f.write('\n')
else:
f.write(l)
There are a couple failures still in ScalarEvolution under NPM, but
those are due to other unrelated naming conflicts.
Reviewed By: asbirlea
Differential Revision: https://reviews.llvm.org/D83798
33 lines
1004 B
LLVM
33 lines
1004 B
LLVM
; RUN: opt -analyze -enable-new-pm=0 -scalar-evolution < %s | FileCheck %s
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; RUN: opt -disable-output "-passes=print<scalar-evolution>" < %s 2>&1 | FileCheck %s
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declare i1 @use(i64)
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define void @f_0() {
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; CHECK-LABEL: Classifying expressions for: @f_0
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; CHECK: %iv = phi i32 [ 0, %entry ], [ %iv.inc.nowrap, %be ]
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; CHECK-NEXT: --> {0,+,1}<nuw><nsw><%loop>
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; CHECK: %iv.inc.maywrap = add i32 %iv, 1
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; CHECK-NEXT: --> {1,+,1}<nuw><%loop>
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; CHECK: %iv.inc.maywrap.sext = sext i32 %iv.inc.maywrap to i64
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; CHECK-NEXT: --> (sext i32 {1,+,1}<nuw><%loop> to i64)
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entry:
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br label %loop
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loop:
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%iv = phi i32 [ 0, %entry ], [ %iv.inc.nowrap, %be ]
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%iv.inc.maywrap = add i32 %iv, 1
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%iv.inc.maywrap.sext = sext i32 %iv.inc.maywrap to i64
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%cond0 = call i1 @use(i64 %iv.inc.maywrap.sext)
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br i1 %cond0, label %be, label %leave
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be:
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%iv.inc.nowrap = add nsw i32 %iv, 1
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%be.cond = call i1 @use(i64 0) ;; Get an unanalyzable value
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br i1 %be.cond, label %loop, label %leave
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leave:
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ret void
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}
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