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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
30 lines
734 B
LLVM
30 lines
734 B
LLVM
; RUN: opt -S -instcombine < %s | FileCheck %s
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define i1 @test1(i16* %x) {
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%load = load i16, i16* %x, align 4
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%trunc = trunc i16 %load to i8
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%cmp1 = icmp eq i8 %trunc, 127
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%and = and i16 %load, -256
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%cmp2 = icmp eq i16 %and, 17664
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%or = and i1 %cmp1, %cmp2
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ret i1 %or
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: load i16
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; CHECK-NEXT: icmp eq i16 %load, 17791
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; CHECK-NEXT: ret i1
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}
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define i1 @test2(i16* %x) {
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%load = load i16, i16* %x, align 4
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%and = and i16 %load, -256
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%cmp1 = icmp eq i16 %and, 32512
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%trunc = trunc i16 %load to i8
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%cmp2 = icmp eq i8 %trunc, 69
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%or = and i1 %cmp1, %cmp2
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ret i1 %or
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: load i16
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; CHECK-NEXT: icmp eq i16 %load, 32581
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; CHECK-NEXT: ret i1
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}
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