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llvm/test/CodeGen/PowerPC/ctrloop-reg.ll

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Fix a bug in the new PPC CTR-Loops pass. The code which tests for an induction operation cannot assume that any ADDI instruction will have a register operand because the operand could also be a frame index; for example: %vreg16<def> = ADDI8 <fi#0>, 0; G8RC:%vreg16 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158205 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-08 15:38:23 +00:00
; 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"
Enable PPC CTR loop formation by default. Thanks to Jakob's help, this now causes no new test suite failures! Over the entire test suite, this gives an average 1% speedup. The largest speedups are: SingleSource/Benchmarks/Misc/pi - 108% SingleSource/Benchmarks/CoyoteBench/lpbench - 54% MultiSource/Benchmarks/Prolangs-C/unix-smail/unix-smail - 50% SingleSource/Benchmarks/Shootout/ary3 - 32% SingleSource/Benchmarks/Shootout-C++/matrix - 30% The largest slowdowns are: MultiSource/Benchmarks/mediabench/gsm/toast/toast - -30% MultiSource/Benchmarks/Prolangs-C/bison/mybison - -25% MultiSource/Benchmarks/BitBench/uuencode/uuencode - -22% MultiSource/Applications/d/make_dparser - -14% SingleSource/Benchmarks/Shootout-C++/ary - -13% In light of these slowdowns, additional profiling work is obviously needed! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158223 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-08 19:19:53 +00:00
; RUN: llc < %s -march=ppc64 | FileCheck %s
Fix a bug in the new PPC CTR-Loops pass. The code which tests for an induction operation cannot assume that any ADDI instruction will have a register operand because the operand could also be a frame index; for example: %vreg16<def> = ADDI8 <fi#0>, 0; G8RC:%vreg16 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158205 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-08 15:38:23 +00:00
%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)
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