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https://github.com/c64scene-ar/llvm-6502.git
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7c9c6ed761
Essentially the same as the GEP change in r230786.
A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)
import fileinput
import sys
import re
pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")
for line in sys.stdin:
sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7649
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230794 91177308-0d34-0410-b5e6-96231b3b80d8
38 lines
972 B
LLVM
38 lines
972 B
LLVM
; RUN: opt -analyze -scalar-evolution < %s | FileCheck %s
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define i32 @slt_trip_count_with_range(i32 *%ptr0, i32 *%ptr1) {
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; CHECK-LABEL: slt_trip_count_with_range
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entry:
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%limit = load i32, i32* %ptr0, !range !0
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br label %loop
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loop:
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; CHECK: Loop %loop: max backedge-taken count is 98
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%index = phi i32 [ 0, %entry ], [ %index.inc, %loop ]
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%index.inc = add i32 %index, 1
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%continue = icmp slt i32 %index.inc, %limit
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br i1 %continue, label %loop, label %loop.exit
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loop.exit:
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ret i32 0
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}
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define i32 @ult_trip_count_with_range(i32 *%ptr0, i32 *%ptr1) {
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; CHECK-LABEL: ult_trip_count_with_range
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entry:
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%limit = load i32, i32* %ptr0, !range !0
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br label %loop
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loop:
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; CHECK: Loop %loop: max backedge-taken count is 98
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%index = phi i32 [ 0, %entry ], [ %index.inc, %loop ]
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%index.inc = add i32 %index, 1
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%continue = icmp ult i32 %index.inc, %limit
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br i1 %continue, label %loop, label %loop.exit
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loop.exit:
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ret i32 0
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}
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!0 = !{i32 1, i32 100}
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