llvm-6502/test/CodeGen/X86/rip-rel-address.ll
Dan Gohman ef74e9bf2a Fix an x86 code size regression: prefer RIP-relative addressing
over absolute addressing even in non-PIC mode (unless the address
has an index or something else incompatible), because it has a
smaller encoding.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79553 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-20 18:23:44 +00:00

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527 B
LLVM

; RUN: llvm-as < %s | llc -march=x86-64 -relocation-model=pic -mtriple=x86_64-apple-darwin10 | FileCheck %s -check-prefix=PIC64
; RUN: llvm-as < %s | llc -mtriple=x86_64-unknown-linux-gnu -relocation-model=static | FileCheck %s -check-prefix=STATIC64
; Use %rip-relative addressing even in static mode on x86-64, because
; it has a smaller encoding.
@a = internal global double 3.4
define double @foo() nounwind {
%a = load double* @a
ret double %a
; PIC64: movsd _a(%rip), %xmm0
; STATIC64: movsd a(%rip), %xmm0
}