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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
31 lines
1.1 KiB
LLVM
31 lines
1.1 KiB
LLVM
; RUN: llc < %s -march=x86-64 | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
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target triple = "x86_64-apple-darwin9.6"
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@prev_length = internal global i32 0 ; <i32*> [#uses=1]
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@window = internal global [65536 x i8] zeroinitializer, align 32 ; <[65536 x i8]*> [#uses=1]
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@llvm.used = appending global [1 x i8*] [i8* bitcast (i32 (i32)* @longest_match to i8*)] ; <[1 x i8*]*> [#uses=0]
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define fastcc i32 @longest_match(i32 %cur_match) nounwind {
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; CHECK-LABEL: longest_match:
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; CHECK-NOT: ret
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; CHECK: cmpb $0, (%r{{.*}},%r{{.*}})
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; CHECK: ret
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entry:
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%0 = load i32, i32* @prev_length, align 4 ; <i32> [#uses=3]
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%1 = zext i32 %cur_match to i64 ; <i64> [#uses=1]
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%2 = sext i32 %0 to i64 ; <i64> [#uses=1]
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%.sum3 = add i64 %1, %2 ; <i64> [#uses=1]
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%3 = getelementptr [65536 x i8], [65536 x i8]* @window, i64 0, i64 %.sum3 ; <i8*> [#uses=1]
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%4 = load i8, i8* %3, align 1 ; <i8> [#uses=1]
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%5 = icmp eq i8 %4, 0 ; <i1> [#uses=1]
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br i1 %5, label %bb5, label %bb23
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bb5: ; preds = %entry
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ret i32 %0
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bb23: ; preds = %entry
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ret i32 %0
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}
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