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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
56 lines
1.5 KiB
LLVM
56 lines
1.5 KiB
LLVM
; RUN: opt -basicaa -gvn -S < %s | FileCheck %s
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@y = external global i32
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@z = external global i32
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; Function Attrs: nounwind ssp uwtable
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define void @foo(i32 %x) {
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; CHECK: @foo(i32 %x)
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; CHECK: %.pre = load i32, i32* @y
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; CHECK: call void @bar(i32 %.pre)
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%t = sub i32 %x, %x
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%.pre = load i32, i32* @y, align 4
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%cmp = icmp sgt i32 %t, 2
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br i1 %cmp, label %if.then, label %entry.if.end_crit_edge
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entry.if.end_crit_edge: ; preds = %entry
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br label %if.end
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if.then: ; preds = %entry
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%add = add nsw i32 %x, 3
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store i32 %add, i32* @y, align 4
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br label %if.end
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if.end: ; preds = %entry.if.end_crit_edge, %if.then
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%1 = phi i32 [ %.pre, %entry.if.end_crit_edge ], [ %add, %if.then ]
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tail call void @bar(i32 %1)
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ret void
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}
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define void @foo2(i32 %x) {
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; CHECK: @foo2(i32 %x)
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; CHECK: %.pre = load i32, i32* @y
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; CHECK: tail call void @bar(i32 %.pre)
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entry:
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%t = sub i32 %x, %x
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%.pre = load i32, i32* @y, align 4
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%cmp = icmp sgt i32 %t, 2
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br i1 %cmp, label %if.then, label %if.else
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if.then: ; preds = %entry
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%add = add nsw i32 %x, 3
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store i32 %add, i32* @y, align 4
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br label %if.end
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if.else: ; preds = %entry
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store i32 1, i32* @z, align 4
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br label %if.end
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if.end: ; preds = %if.else, %if.then
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%0 = phi i32 [ %.pre, %if.else ], [ %add, %if.then ]
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tail call void @bar(i32 %0)
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ret void
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}
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declare void @bar(i32)
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