mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-16 11:05:54 +00:00
a96f119803
accidentally match something unrelated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71458 91177308-0d34-0410-b5e6-96231b3b80d8
26 lines
720 B
LLVM
26 lines
720 B
LLVM
; RUN: llvm-as < %s | llc -march=x86-64 > %t
|
|
; RUN: grep negl %t | count 1
|
|
; RUN: not grep {sub\[bwlq\]} %t
|
|
; RUN: grep mov %t | count 1
|
|
; RUN: grep {leal -4(} %t | count 1
|
|
|
|
; ISel the add of -4 with a neg and use an lea for the rest of the
|
|
; arithemtic.
|
|
|
|
define i32 @test(i32 %x_offs) nounwind readnone {
|
|
entry:
|
|
%t0 = icmp sgt i32 %x_offs, 4 ; <i1> [#uses=1]
|
|
br i1 %t0, label %bb.nph, label %bb2
|
|
|
|
bb.nph: ; preds = %entry
|
|
%tmp = add i32 %x_offs, -5 ; <i32> [#uses=1]
|
|
%tmp6 = lshr i32 %tmp, 2 ; <i32> [#uses=1]
|
|
%tmp7 = mul i32 %tmp6, -4 ; <i32> [#uses=1]
|
|
%tmp8 = add i32 %tmp7, %x_offs ; <i32> [#uses=1]
|
|
%tmp9 = add i32 %tmp8, -4 ; <i32> [#uses=1]
|
|
ret i32 %tmp9
|
|
|
|
bb2: ; preds = %entry
|
|
ret i32 %x_offs
|
|
}
|