diff --git a/lib/Target/PowerPC/PPCCTRLoops.cpp b/lib/Target/PowerPC/PPCCTRLoops.cpp index 4671893c3e4..5234da71a8d 100644 --- a/lib/Target/PowerPC/PPCCTRLoops.cpp +++ b/lib/Target/PowerPC/PPCCTRLoops.cpp @@ -371,6 +371,7 @@ bool PPCCTRLoops::isInductionOperation(const MachineInstr *MI, unsigned IVReg) const { return ((MI->getOpcode() == PPC::ADDI || MI->getOpcode() == PPC::ADDI8) && + MI->getOperand(1).isReg() && // could be a frame index instead MI->getOperand(1).getReg() == IVReg); } diff --git a/test/CodeGen/PowerPC/ctrloop-reg.ll b/test/CodeGen/PowerPC/ctrloop-reg.ll new file mode 100644 index 00000000000..874e5712bb9 --- /dev/null +++ b/test/CodeGen/PowerPC/ctrloop-reg.ll @@ -0,0 +1,87 @@ +; ModuleID = 'bugpoint-reduced-simplified.bc' +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-v128:128:128-n32:64" +target triple = "powerpc64-unknown-linux-gnu" +; RUN: llc < %s -march=ppc64 | FileCheck %s + +%struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211 = type { %union.v.0.48.90.114.120.138.144.150.156.162.168.174.180.210, i16, i16 } +%union.v.0.48.90.114.120.138.144.150.156.162.168.174.180.210 = type { i64 } +%struct.stream_s.5.53.95.119.125.143.149.155.161.167.173.179.185.215 = type { i8*, i8*, i8*, i32, i8, i8, i64, %struct.stream_procs.2.50.92.116.122.140.146.152.158.164.170.176.182.212, i32, %struct._IO_FILE.4.52.94.118.124.142.148.154.160.166.172.178.184.214*, %struct.stream_s.5.53.95.119.125.143.149.155.161.167.173.179.185.215*, i16, i32 } +%struct.stream_procs.2.50.92.116.122.140.146.152.158.164.170.176.182.212 = type { i32 (%struct.stream_s.5.53.95.119.125.143.149.155.161.167.173.179.185.215*)*, i32 (%struct.stream_s.5.53.95.119.125.143.149.155.161.167.173.179.185.215*, i8)*, i32 (%struct.stream_s.5.53.95.119.125.143.149.155.161.167.173.179.185.215*, i64*)*, i32 (%struct.stream_s.5.53.95.119.125.143.149.155.161.167.173.179.185.215*, i64)*, i32 (%struct.stream_s.5.53.95.119.125.143.149.155.161.167.173.179.185.215*)*, i32 (%struct.stream_s.5.53.95.119.125.143.149.155.161.167.173.179.185.215*)* } +%struct._IO_FILE.4.52.94.118.124.142.148.154.160.166.172.178.184.214 = type { i32, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, %struct._IO_marker.3.51.93.117.123.141.147.153.159.165.171.177.183.213*, %struct._IO_FILE.4.52.94.118.124.142.148.154.160.166.172.178.184.214*, i32, i32, i64, i16, i8, [1 x i8], i8*, i64, i8*, i8*, i8*, i8*, i64, i32, [20 x i8] } +%struct._IO_marker.3.51.93.117.123.141.147.153.159.165.171.177.183.213 = type { %struct._IO_marker.3.51.93.117.123.141.147.153.159.165.171.177.183.213*, %struct._IO_FILE.4.52.94.118.124.142.148.154.160.166.172.178.184.214*, i32 } + +@special_ops = external global [7 x i32 (%struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211*)*], align 8 +@ostack = external global [520 x %struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211], align 8 +@osbot = external global %struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211*, align 8 +@osp = external global %struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211*, align 8 +@ostop = external global %struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211*, align 8 +@osp_nargs = external global [6 x %struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211*], align 8 +@estack = external global [150 x %struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211], align 8 +@esp = external global %struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211*, align 8 +@estop = external global %struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211*, align 8 +@dstack = external global [20 x %struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211], align 8 +@dsp = external global %struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211*, align 8 +@dstop = external global %struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211*, align 8 +@name_errordict = external global %struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211 +@name_ErrorNames = external global %struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211 +@error_object = external global %struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211, align 8 + +declare i32 @zadd(%struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211*) + +declare i32 @zdup(%struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211*) + +declare i32 @zexch(%struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211*) + +declare i32 @zifelse(%struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211*) + +declare i32 @zle(%struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211*) + +declare i32 @zpop(%struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211*) + +declare i32 @zsub(%struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211*) + +declare void @interp_init(i32) nounwind + +declare void @interp_fix_op(%struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211* nocapture) nounwind + +define i32 @interpret(%struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211* %pref, i32 %user_errors) nounwind { +entry: + %erref = alloca %struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211, align 8 + br i1 undef, label %retry.us, label %retry + +retry.us: ; preds = %if.end18, %retry, %retry, %retry, %retry, %entry + ret i32 undef + +retry: ; preds = %if.end18, %entry + %0 = phi %struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211* [ null, %entry ], [ %erref, %if.end18 ] + %call = call i32 @interp(%struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211* %0) + switch i32 %call, label %if.end18 [ + i32 -3, label %retry.us + i32 -5, label %retry.us + i32 -16, label %retry.us + i32 -25, label %retry.us + ] + +if.end18: ; preds = %retry + br i1 false, label %retry.us, label %retry +} + +; CHECK: @interpret + +declare i32 @interp_exit(%struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211* nocapture) nounwind readnone + +declare i32 @interp(%struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211*) nounwind + +declare i32 @dict_lookup(%struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211*, %struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211*, %struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211*, %struct.ref_s.1.49.91.115.121.139.145.151.157.163.169.175.181.211**) + +declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind + +declare i32 @obj_compare(...) + +declare i32 @file_check_read(...) + +declare i32 @scan_token(...) + +declare i32 @file_close(...) + +declare void @sread_string(%struct.stream_s.5.53.95.119.125.143.149.155.161.167.173.179.185.215*, i8*, i32)