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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
54 lines
1.8 KiB
LLVM
54 lines
1.8 KiB
LLVM
; RUN: llc -mtriple=arm64-apple-ios -O2 -aarch64-collect-loh -aarch64-collect-loh-bb-only=false < %s -o - | FileCheck %s
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; RUN: llc -mtriple=arm64-linux-gnu -O2 -aarch64-collect-loh -aarch64-collect-loh-bb-only=false < %s -o - | FileCheck %s --check-prefix=CHECK-ELF
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; CHECK-ELF-NOT: .loh
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; CHECK-ELF-NOT: AdrpAdrp
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; CHECK-ELF-NOT: AdrpAdd
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; CHECK-ELF-NOT: AdrpLdrGot
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@a = internal unnamed_addr global i32 0, align 4
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@b = external global i32
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; Function Attrs: noinline nounwind ssp
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define void @foo(i32 %t) {
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entry:
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%tmp = load i32, i32* @a, align 4
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%add = add nsw i32 %tmp, %t
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store i32 %add, i32* @a, align 4
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ret void
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}
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; Function Attrs: nounwind ssp
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; Testcase for <rdar://problem/15438605>, AdrpAdrp reuse is valid only when the first adrp
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; dominates the second.
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; The first adrp comes from the loading of 'a' and the second the loading of 'b'.
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; 'a' is loaded in if.then, 'b' in if.end4, if.then does not dominates if.end4.
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; CHECK-LABEL: _test
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; CHECK: ret
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; CHECK-NOT: .loh AdrpAdrp
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define i32 @test(i32 %t) {
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entry:
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%cmp = icmp sgt i32 %t, 5
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br i1 %cmp, label %if.then, label %if.end4
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if.then: ; preds = %entry
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%tmp = load i32, i32* @a, align 4
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%add = add nsw i32 %tmp, %t
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%cmp1 = icmp sgt i32 %add, 12
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br i1 %cmp1, label %if.then2, label %if.end4
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if.then2: ; preds = %if.then
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tail call void @foo(i32 %add)
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%tmp1 = load i32, i32* @a, align 4
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br label %if.end4
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if.end4: ; preds = %if.then2, %if.then, %entry
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%t.addr.0 = phi i32 [ %tmp1, %if.then2 ], [ %t, %if.then ], [ %t, %entry ]
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%tmp2 = load i32, i32* @b, align 4
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%add5 = add nsw i32 %tmp2, %t.addr.0
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tail call void @foo(i32 %add5)
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%tmp3 = load i32, i32* @b, align 4
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%add6 = add nsw i32 %tmp3, %t.addr.0
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ret i32 %add6
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}
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