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ab043ff680
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
llvm-svn: 230794
40 lines
1.2 KiB
LLVM
40 lines
1.2 KiB
LLVM
; RUN: opt < %s -analyze -scalar-evolution 2>&1 | FileCheck %s
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; PR2261
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; CHECK: Printing analysis 'Scalar Evolution Analysis' for function 'foo'
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; CHECK-NOT: smax
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@lut = common global [256 x i8] zeroinitializer, align 32 ; <[256 x i8]*> [#uses=1]
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define void @foo(i32 %count, i32* %srcptr, i32* %dstptr) nounwind {
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entry:
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icmp sgt i32 %count, 0 ; <i1>:0 [#uses=1]
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br i1 %0, label %bb.nph, label %return
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bb.nph: ; preds = %entry
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br label %bb
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bb: ; preds = %bb1, %bb.nph
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%j.01 = phi i32 [ %8, %bb1 ], [ 0, %bb.nph ] ; <i32> [#uses=1]
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load i32, i32* %srcptr, align 4 ; <i32>:1 [#uses=2]
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and i32 %1, 255 ; <i32>:2 [#uses=1]
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and i32 %1, -256 ; <i32>:3 [#uses=1]
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getelementptr [256 x i8], [256 x i8]* @lut, i32 0, i32 %2 ; <i8*>:4 [#uses=1]
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load i8, i8* %4, align 1 ; <i8>:5 [#uses=1]
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zext i8 %5 to i32 ; <i32>:6 [#uses=1]
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or i32 %6, %3 ; <i32>:7 [#uses=1]
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store i32 %7, i32* %dstptr, align 4
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add i32 %j.01, 1 ; <i32>:8 [#uses=2]
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br label %bb1
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bb1: ; preds = %bb
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icmp slt i32 %8, %count ; <i1>:9 [#uses=1]
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br i1 %9, label %bb, label %bb1.return_crit_edge
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bb1.return_crit_edge: ; preds = %bb1
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br label %return
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return: ; preds = %bb1.return_crit_edge, %entry
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ret void
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}
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