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not safe in general because the immediate could be an arbitrary value that does not fit in a 32-bit pcrel displacement. Conservatively fall back to loading the value into a register and calling through it. We still do the optzn on X86-32. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67142 91177308-0d34-0410-b5e6-96231b3b80d8
16 lines
416 B
LLVM
16 lines
416 B
LLVM
; RUN: llvm-as < %s | llc -march=x86 | grep {call.*12345678}
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; Call to immediate is not safe on x86-64 unless we *know* that the
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; call will be within 32-bits pcrel from the dest immediate.
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; RUN: llvm-as < %s | llc -march=x86-64 | grep {call.*\*%rax}
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; PR3666
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; PR3773
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define i32 @main() nounwind {
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entry:
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%0 = call i32 inttoptr (i32 12345678 to i32 (i32)*)(i32 0) nounwind ; <i32> [#uses=1]
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ret i32 %0
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}
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