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llvm-mirror/test/CodeGen/X86/lea-3.ll
Pavel Chupin 77b41f178f [x32] Fix FrameIndex check in SelectLEA64_32Addr
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

llvm-svn: 216065
2014-08-20 11:59:22 +00:00

25 lines
633 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
; RUN: llc < %s -mtriple=x86_64-win32 | FileCheck %s
; CHECK: leaq (,[[A0:%rdi|%rcx]],4), %rax
define i64 @test2(i64 %a) {
%tmp2 = shl i64 %a, 2
%tmp3 = or i64 %tmp2, %a
ret i64 %tmp3
}
; CHECK: leal ([[A0]],[[A0]],2), %eax
define i32 @test(i32 %a) {
%tmp2 = mul i32 %a, 3 ; <i32> [#uses=1]
ret i32 %tmp2
}
; CHECK: leaq (,[[A0]],8), %rax
define i64 @test3(i64 %a) {
%tmp2 = shl i64 %a, 3
ret i64 %tmp2
}