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[x32] Fix FrameIndex check in SelectLEA64_32Addr

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Summary:
Fixes http://llvm.org/bugs/show_bug.cgi?id=20016 reproducible on new
lea-5.ll case.
Also use RSP/RBP for x32 lea to save 1 byte used for 0x67 prefix in
ESP/EBP case.

Test Plan: lea tests modified to include x32/nacl and new test added

Reviewers: nadav, dschuff, t.p.northover

Subscribers: llvm-commits, zinovy.nis

Differential Revision: http://reviews.llvm.org/D4929

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216065 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Pavel Chupin
2014-08-20 11:59:22 +00:00
parent 40f9d11ccc
commit aadaac228d
7 changed files with 78 additions and 3 deletions
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2
test/CodeGen/X86/lea-3.ll
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@@ -1,4 +1,6 @@
; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s
; RUN: llc < %s -mtriple=x86_64-linux-gnux32 | FileCheck %s
; RUN: llc < %s -mtriple=x86_64-nacl | FileCheck %s
; RUN: llc < %s -mtriple=x86_64-win32 | FileCheck %s
; CHECK: leaq (,[[A0:%rdi|%rcx]],4), %rax