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09cfe7939a
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
35 lines
1.6 KiB
LLVM
35 lines
1.6 KiB
LLVM
; RUN: opt -analyze -enable-new-pm=0 -scalar-evolution -scalar-evolution-max-add-rec-size=3 < %s | FileCheck %s
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; RUN: opt -disable-output "-passes=print<scalar-evolution>" -scalar-evolution-max-add-rec-size=3 < %s 2>&1 | FileCheck %s
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; Show that we are able to avoid creation of huge SCEVs by capping the max
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; AddRec size.
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define i32 @test_01(i32 %a, i32 %b) {
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; CHECK-LABEL: Classifying expressions for: @test_01
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; CHECK-NEXT: %iv = phi i32 [ %a, %entry ], [ %iv.next, %loop ]
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; CHECK-NEXT: --> {%a,+,%b}<%loop> U: full-set S: full-set
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; CHECK-NEXT: %iv.next = add i32 %iv, %b
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; CHECK-NEXT: --> {(%a + %b),+,%b}<%loop> U: full-set S: full-set
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; CHECK-NEXT: %x1 = mul i32 %iv, %iv.next
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; CHECK-NEXT: --> {((%a + %b) * %a),+,(((2 * %a) + (2 * %b)) * %b),+,(2 * %b * %b)}<%loop> U: full-set S: full-set
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; CHECK-NEXT: %x2 = mul i32 %x1, %x1
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; CHECK-NEXT: --> ({((%a + %b) * %a),+,(((2 * %a) + (2 * %b)) * %b),+,(2 * %b * %b)}<%loop> * {((%a + %b) * %a),+,(((2 * %a) + (2 * %b)) * %b),+,(2 * %b * %b)}<%loop>) U: full-set S: full-set
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; CHECK-NEXT: %x3 = mul i32 %x2, %x1
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; CHECK-NEXT: --> ({((%a + %b) * %a),+,(((2 * %a) + (2 * %b)) * %b),+,(2 * %b * %b)}<%loop> * {((%a + %b) * %a),+,(((2 * %a) + (2 * %b)) * %b),+,(2 * %b * %b)}<%loop> * {((%a + %b) * %a),+,(((2 * %a) + (2 * %b)) * %b),+,(2 * %b * %b)}<%loop>) U: full-set S: full-set
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entry:
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br label %loop
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loop:
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%iv = phi i32 [ %a, %entry ], [ %iv.next, %loop ]
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%iv.next = add i32 %iv, %b
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%cond = icmp slt i32 %iv.next, 1000
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br i1 %cond, label %loop, label %exit
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exit:
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%x1 = mul i32 %iv, %iv.next
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%x2 = mul i32 %x1, %x1
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%x3 = mul i32 %x2, %x1
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ret i32 %x3
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}
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