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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81290 91177308-0d34-0410-b5e6-96231b3b80d8
16 lines
352 B
LLVM
16 lines
352 B
LLVM
; RUN: llc < %s -march=x86-64 > %t
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; RUN: not grep add %t
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; RUN: grep subq %t | count 2
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; The immediate can be encoded in a smaller way if the
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; instruction is a sub instead of an add.
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define i64 @foo(i64 inreg %a) nounwind {
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%b = add i64 %a, 2147483648
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ret i64 %b
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}
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define i64 @bar(i64 inreg %a) nounwind {
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%b = add i64 %a, 128
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ret i64 %b
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}
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