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26 lines
691 B
LLVM
26 lines
691 B
LLVM
; RUN: opt -loop-reduce < %s -o /dev/null
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; LSR doesn't actually do anything on this input; just check that it doesn't
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; crash while building the compatible type for the IV (by virtue of using
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; INT64_MAX as a constant in the loop).
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.12.0"
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define void @foo() {
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entry:
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br label %for
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for:
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%0 = phi i64 [ %add, %for ], [ undef, %entry ]
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%next = phi i32 [ %inc, %for ], [ undef, %entry ]
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store i32 %next, i32* undef, align 4
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%add = add i64 %0, 9223372036854775807
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%inc = add nsw i32 %next, 1
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br i1 undef, label %exit, label %for
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exit:
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store i64 %add, i64* undef
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ret void
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}
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