mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-26 23:29:22 +00:00
E.g. (and (sra (i32 x) 31) 2) -> (and (srl (i32 x) 30) 2). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192884 91177308-0d34-0410-b5e6-96231b3b80d8
44 lines
1.5 KiB
LLVM
44 lines
1.5 KiB
LLVM
; RUN: llc -mcpu=pwr7 < %s | FileCheck %s
|
|
target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64"
|
|
target triple = "powerpc64-bgq-linux"
|
|
|
|
define void @test() align 2 {
|
|
entry:
|
|
br i1 undef, label %codeRepl1, label %codeRepl31
|
|
|
|
codeRepl1: ; preds = %entry
|
|
br i1 undef, label %codeRepl4, label %codeRepl29
|
|
|
|
codeRepl4: ; preds = %codeRepl1
|
|
br i1 undef, label %codeRepl12, label %codeRepl17
|
|
|
|
codeRepl12: ; preds = %codeRepl4
|
|
unreachable
|
|
|
|
codeRepl17: ; preds = %codeRepl4
|
|
%0 = load i8* undef, align 2
|
|
%1 = and i8 %0, 1
|
|
%not.tobool.i.i.i = icmp eq i8 %1, 0
|
|
%2 = select i1 %not.tobool.i.i.i, i16 0, i16 256
|
|
%3 = load i8* undef, align 1
|
|
%4 = and i8 %3, 1
|
|
%not.tobool.i.1.i.i = icmp eq i8 %4, 0
|
|
%rvml38.sroa.1.1.insert.ext = select i1 %not.tobool.i.1.i.i, i16 0, i16 1
|
|
%rvml38.sroa.0.0.insert.insert = or i16 %rvml38.sroa.1.1.insert.ext, %2
|
|
store i16 %rvml38.sroa.0.0.insert.insert, i16* undef, align 2
|
|
unreachable
|
|
|
|
; FIXME: the SLWI could be folded into the RLWIMI to give a rotate of 8.
|
|
; CHECK: @test
|
|
; CHECK-DAG: slwi [[R1:[0-9]+]], {{[0-9]+}}, 31
|
|
; CHECK-DAG: rlwinm [[R2:[0-9]+]], {{[0-9]+}}, 0, 31, 31
|
|
; CHECK: rlwimi [[R2]], [[R1]], 9, 23, 23
|
|
|
|
codeRepl29: ; preds = %codeRepl1
|
|
unreachable
|
|
|
|
codeRepl31: ; preds = %entry
|
|
ret void
|
|
}
|
|
|