mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-21 02:29:22 +00:00
aadaac228d
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
25 lines
523 B
LLVM
25 lines
523 B
LLVM
; 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
|
|
|
|
|
|
define zeroext i16 @t1(i32 %on_off) nounwind {
|
|
entry:
|
|
%0 = sub i32 %on_off, 1
|
|
%1 = mul i32 %0, 2
|
|
%2 = trunc i32 %1 to i16
|
|
%3 = zext i16 %2 to i32
|
|
%4 = trunc i32 %3 to i16
|
|
; CHECK: lea
|
|
ret i16 %4
|
|
}
|
|
|
|
define i32 @t2(i32 %on_off) nounwind {
|
|
entry:
|
|
%0 = sub i32 %on_off, 1
|
|
%1 = mul i32 %0, 2
|
|
%2 = and i32 %1, 65535
|
|
; CHECK: lea
|
|
ret i32 %2
|
|
}
|