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fe32b980b3
When building LLVM as a (potentially dynamic) library that can be linked against by multiple compilers, the default triple is not really meaningful. We allow to explicitely set it to an empty string when configuring LLVM. In this case, said "target independent" tests in the test suite that are using the default triple are disabled by matching the newly available feature "default_triple". Reviewers: probinson, echristo Differential Revision: http://reviews.llvm.org/D12660 From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 247775
36 lines
2.1 KiB
LLVM
36 lines
2.1 KiB
LLVM
; RUN: llc < %s
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; REQUIRES: default_triple
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; This used to cause a crash. A standard load is converted to a pre-increment
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; load. Later the pre-increment load is combined with a subsequent SRL to
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; produce a smaller load. This transform invalidly created a standard load
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; and propagated the produced value into uses of both produced values of the
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; pre-increment load. The result was a crash when attempting to process an
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; add with a token-chain operand.
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%struct.Info = type { i32, i32, i8*, i8*, i8*, [32 x i8*], i64, [32 x i64], i64, i64, i64, [32 x i64] }
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%struct.S1847 = type { [12 x i8], [4 x i8], [8 x i8], [4 x i8], [8 x i8], [2 x i8], i8, [4 x i64], i8, [3 x i8], [4 x i8], i8, i16, [4 x %struct.anon.76], i16, i8, i8* }
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%struct.anon.76 = type { i32 }
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@info = common global %struct.Info zeroinitializer, align 8
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@fails = common global i32 0, align 4
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@a1847 = external global [5 x %struct.S1847]
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define void @test1847() nounwind {
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entry:
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%j = alloca i32, align 4
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%0 = load i64, i64* getelementptr inbounds (%struct.Info, %struct.Info* @info, i32 0, i32 8), align 8
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%1 = load i32, i32* @fails, align 4
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%bf.load1 = load i96, i96* bitcast (%struct.S1847* getelementptr inbounds ([5 x %struct.S1847], [5 x %struct.S1847]* @a1847, i32 0, i64 2) to i96*), align 8
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%bf.clear2 = and i96 %bf.load1, 302231454903657293676543
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%bf.set3 = or i96 %bf.clear2, -38383394772764476296921088
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store i96 %bf.set3, i96* bitcast (%struct.S1847* getelementptr inbounds ([5 x %struct.S1847], [5 x %struct.S1847]* @a1847, i32 0, i64 2) to i96*), align 8
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%2 = load i32, i32* %j, align 4
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%3 = load i32, i32* %j, align 4
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%inc11 = add nsw i32 %3, 1
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store i32 %inc11, i32* %j, align 4
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%bf.load15 = load i96, i96* bitcast (%struct.S1847* getelementptr inbounds ([5 x %struct.S1847], [5 x %struct.S1847]* @a1847, i32 0, i64 2) to i96*), align 8
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%bf.clear16 = and i96 %bf.load15, -18446744069414584321
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%bf.set17 = or i96 %bf.clear16, 18446743532543672320
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store i96 %bf.set17, i96* bitcast (%struct.S1847* getelementptr inbounds ([5 x %struct.S1847], [5 x %struct.S1847]* @a1847, i32 0, i64 2) to i96*), align 8
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ret void
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}
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