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llvm-mirror/test/Transforms/LoopStrengthReduce/pr2570.ll
Dan Gohman 205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.

llvm-svn: 81537
2009-09-11 18:01:28 +00:00

288 lines
13 KiB
LLVM
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; RUN: opt < %s -loop-reduce -S | grep {phi\\>} | count 10
; PR2570
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32"
target triple = "i386-pc-linux-gnu"
@g_14 = internal global i32 1 ; <i32*> [#uses=1]
@g_39 = internal global i16 -5 ; <i16*> [#uses=2]
@g_43 = internal global i32 -6 ; <i32*> [#uses=3]
@g_33 = internal global i32 -1269044541 ; <i32*> [#uses=1]
@g_137 = internal global i32 8 ; <i32*> [#uses=1]
@g_82 = internal global i32 -5 ; <i32*> [#uses=3]
@g_91 = internal global i32 1 ; <i32*> [#uses=1]
@g_197 = internal global i32 1 ; <i32*> [#uses=4]
@g_207 = internal global i32 1 ; <i32*> [#uses=2]
@g_222 = internal global i16 4165 ; <i16*> [#uses=1]
@g_247 = internal global i8 -21 ; <i8*> [#uses=2]
@g_260 = internal global i32 1 ; <i32*> [#uses=2]
@g_221 = internal global i16 -17503 ; <i16*> [#uses=3]
@g_267 = internal global i16 1 ; <i16*> [#uses=1]
@llvm.used = appending global [1 x i8*] [ i8* bitcast (i32 (i32, i32, i16, i32, i8, i32)* @func_44 to i8*) ], section "llvm.metadata" ; <[1 x i8*]*> [#uses=0]
define i32 @func_44(i32 %p_45, i32 %p_46, i16 zeroext %p_48, i32 %p_49, i8 zeroext %p_50, i32 %p_52) nounwind {
entry:
tail call i32 @func_116( i8 zeroext 2 ) nounwind ; <i32>:0 [#uses=0]
tail call i32 @func_63( i16 signext 2 ) nounwind ; <i32>:1 [#uses=1]
load i16* @g_39, align 2 ; <i16>:2 [#uses=1]
tail call i32 @func_63( i16 signext %2 ) nounwind ; <i32>:3 [#uses=1]
trunc i32 %3 to i16 ; <i16>:4 [#uses=1]
and i16 %4, 1 ; <i16>:5 [#uses=1]
trunc i32 %p_52 to i8 ; <i8>:6 [#uses=1]
trunc i32 %1 to i16 ; <i16>:7 [#uses=1]
tail call i32 @func_74( i16 zeroext %5, i8 zeroext %6, i16 zeroext %7, i16 zeroext 0 ) nounwind ; <i32>:8 [#uses=0]
tail call i32 @func_124( i32 544824386 ) nounwind ; <i32>:9 [#uses=0]
zext i8 %p_50 to i32 ; <i32>:10 [#uses=1]
load i32* @g_43, align 4 ; <i32>:11 [#uses=1]
icmp sle i32 %10, %11 ; <i1>:12 [#uses=1]
zext i1 %12 to i32 ; <i32>:13 [#uses=2]
load i8* @g_247, align 1 ; <i8>:14 [#uses=1]
trunc i32 %p_45 to i16 ; <i16>:15 [#uses=1]
zext i8 %14 to i16 ; <i16>:16 [#uses=1]
tail call i32 @func_74( i16 zeroext %15, i8 zeroext 0, i16 zeroext %16, i16 zeroext 23618 ) nounwind ; <i32>:17 [#uses=4]
icmp slt i32 %17, 0 ; <i1>:18 [#uses=1]
br i1 %18, label %bb162, label %bb152
bb152: ; preds = %entry
lshr i32 2147483647, %13 ; <i32>:19 [#uses=1]
icmp slt i32 %19, %17 ; <i1>:20 [#uses=1]
select i1 %20, i32 0, i32 %13 ; <i32>:21 [#uses=1]
%.348 = shl i32 %17, %21 ; <i32> [#uses=1]
br label %bb162
bb162: ; preds = %bb152, %entry
%.0346 = phi i32 [ %.348, %bb152 ], [ %17, %entry ] ; <i32> [#uses=1]
tail call i32 @func_124( i32 1 ) nounwind ; <i32>:22 [#uses=1]
mul i32 %22, %.0346 ; <i32>:23 [#uses=1]
icmp slt i32 %p_45, 0 ; <i1>:24 [#uses=1]
icmp ugt i32 %p_45, 31 ; <i1>:25 [#uses=1]
%or.cond = or i1 %24, %25 ; <i1> [#uses=1]
br i1 %or.cond, label %bb172, label %bb168
bb168: ; preds = %bb162
lshr i32 2147483647, %p_45 ; <i32>:26 [#uses=1]
shl i32 1392859848, %p_45 ; <i32>:27 [#uses=1]
icmp slt i32 %26, 1392859848 ; <i1>:28 [#uses=1]
%.op355 = add i32 %27, 38978 ; <i32> [#uses=1]
%phitmp = select i1 %28, i32 1392898826, i32 %.op355 ; <i32> [#uses=1]
br label %bb172
bb172: ; preds = %bb168, %bb162
%.0343 = phi i32 [ %phitmp, %bb168 ], [ 1392898826, %bb162 ] ; <i32> [#uses=2]
tail call i32 @func_84( i32 1, i16 zeroext 0, i16 zeroext 8 ) nounwind ; <i32>:29 [#uses=0]
icmp eq i32 %.0343, 0 ; <i1>:30 [#uses=1]
%.0341 = select i1 %30, i32 1, i32 %.0343 ; <i32> [#uses=1]
urem i32 %23, %.0341 ; <i32>:31 [#uses=1]
load i32* @g_137, align 4 ; <i32>:32 [#uses=4]
icmp slt i32 %32, 0 ; <i1>:33 [#uses=1]
br i1 %33, label %bb202, label %bb198
bb198: ; preds = %bb172
%not. = icmp slt i32 %32, 1073741824 ; <i1> [#uses=1]
zext i1 %not. to i32 ; <i32>:34 [#uses=1]
%.351 = shl i32 %32, %34 ; <i32> [#uses=1]
br label %bb202
bb202: ; preds = %bb198, %bb172
%.0335 = phi i32 [ %.351, %bb198 ], [ %32, %bb172 ] ; <i32> [#uses=1]
icmp ne i32 %31, %.0335 ; <i1>:35 [#uses=1]
zext i1 %35 to i32 ; <i32>:36 [#uses=1]
tail call i32 @func_128( i32 %36 ) nounwind ; <i32>:37 [#uses=0]
icmp eq i32 %p_45, 293685862 ; <i1>:38 [#uses=1]
br i1 %38, label %bb205, label %bb311
bb205: ; preds = %bb202
icmp sgt i32 %p_46, 214 ; <i1>:39 [#uses=1]
zext i1 %39 to i32 ; <i32>:40 [#uses=2]
tail call i32 @func_128( i32 %40 ) nounwind ; <i32>:41 [#uses=0]
icmp sgt i32 %p_46, 65532 ; <i1>:42 [#uses=1]
zext i1 %42 to i16 ; <i16>:43 [#uses=1]
tail call i32 @func_74( i16 zeroext 23618, i8 zeroext -29, i16 zeroext %43, i16 zeroext 1 ) nounwind ; <i32>:44 [#uses=2]
tail call i32 @func_103( i16 zeroext -869 ) nounwind ; <i32>:45 [#uses=0]
udiv i32 %44, 34162 ; <i32>:46 [#uses=1]
icmp ult i32 %44, 34162 ; <i1>:47 [#uses=1]
%.0331 = select i1 %47, i32 1, i32 %46 ; <i32> [#uses=1]
urem i32 293685862, %.0331 ; <i32>:48 [#uses=1]
tail call i32 @func_112( i32 %p_52, i16 zeroext 1 ) nounwind ; <i32>:49 [#uses=0]
icmp eq i32 %p_52, 0 ; <i1>:50 [#uses=2]
br i1 %50, label %bb222, label %bb215
bb215: ; preds = %bb205
zext i16 %p_48 to i32 ; <i32>:51 [#uses=1]
icmp eq i16 %p_48, 0 ; <i1>:52 [#uses=1]
%.0329 = select i1 %52, i32 1, i32 %51 ; <i32> [#uses=1]
udiv i32 -1, %.0329 ; <i32>:53 [#uses=1]
icmp eq i32 %53, 0 ; <i1>:54 [#uses=1]
br i1 %54, label %bb222, label %bb223
bb222: ; preds = %bb215, %bb205
br label %bb223
bb223: ; preds = %bb222, %bb215
%iftmp.437.0 = phi i32 [ 0, %bb222 ], [ 1, %bb215 ] ; <i32> [#uses=1]
load i32* @g_91, align 4 ; <i32>:55 [#uses=3]
tail call i32 @func_103( i16 zeroext 4 ) nounwind ; <i32>:56 [#uses=0]
tail call i32 @func_112( i32 0, i16 zeroext -31374 ) nounwind ; <i32>:57 [#uses=0]
load i32* @g_197, align 4 ; <i32>:58 [#uses=1]
tail call i32 @func_124( i32 28156 ) nounwind ; <i32>:59 [#uses=1]
load i32* @g_260, align 4 ; <i32>:60 [#uses=1]
load i32* @g_43, align 4 ; <i32>:61 [#uses=1]
xor i32 %61, %60 ; <i32>:62 [#uses=1]
mul i32 %62, %59 ; <i32>:63 [#uses=1]
trunc i32 %63 to i8 ; <i8>:64 [#uses=1]
trunc i32 %58 to i16 ; <i16>:65 [#uses=1]
tail call i32 @func_74( i16 zeroext 0, i8 zeroext %64, i16 zeroext %65, i16 zeroext 0 ) nounwind ; <i32>:66 [#uses=2]
icmp slt i32 %66, 0 ; <i1>:67 [#uses=1]
icmp slt i32 %55, 0 ; <i1>:68 [#uses=1]
icmp ugt i32 %55, 31 ; <i1>:69 [#uses=1]
or i1 %68, %69 ; <i1>:70 [#uses=1]
%or.cond352 = or i1 %70, %67 ; <i1> [#uses=1]
select i1 %or.cond352, i32 0, i32 %55 ; <i32>:71 [#uses=1]
%.353 = ashr i32 %66, %71 ; <i32> [#uses=2]
load i16* @g_221, align 2 ; <i16>:72 [#uses=1]
zext i16 %72 to i32 ; <i32>:73 [#uses=1]
icmp ugt i32 %.353, 31 ; <i1>:74 [#uses=1]
select i1 %74, i32 0, i32 %.353 ; <i32>:75 [#uses=1]
%.0323 = lshr i32 %73, %75 ; <i32> [#uses=1]
add i32 %.0323, %iftmp.437.0 ; <i32>:76 [#uses=1]
and i32 %48, 255 ; <i32>:77 [#uses=2]
add i32 %77, 2042556439 ; <i32>:78 [#uses=1]
load i32* @g_207, align 4 ; <i32>:79 [#uses=2]
icmp ugt i32 %79, 31 ; <i1>:80 [#uses=1]
select i1 %80, i32 0, i32 %79 ; <i32>:81 [#uses=1]
%.0320 = lshr i32 %77, %81 ; <i32> [#uses=1]
icmp ne i32 %78, %.0320 ; <i1>:82 [#uses=1]
zext i1 %82 to i8 ; <i8>:83 [#uses=1]
tail call i32 @func_25( i8 zeroext %83 ) nounwind ; <i32>:84 [#uses=1]
xor i32 %84, 1 ; <i32>:85 [#uses=1]
load i32* @g_197, align 4 ; <i32>:86 [#uses=1]
add i32 %86, 1 ; <i32>:87 [#uses=1]
add i32 %87, %85 ; <i32>:88 [#uses=1]
icmp ugt i32 %76, %88 ; <i1>:89 [#uses=1]
br i1 %89, label %bb241, label %bb311
bb241: ; preds = %bb223
store i16 -9, i16* @g_221, align 2
udiv i32 %p_52, 1538244727 ; <i32>:90 [#uses=1]
load i32* @g_207, align 4 ; <i32>:91 [#uses=1]
sub i32 %91, %90 ; <i32>:92 [#uses=1]
load i32* @g_14, align 4 ; <i32>:93 [#uses=1]
trunc i32 %93 to i16 ; <i16>:94 [#uses=1]
trunc i32 %p_46 to i16 ; <i16>:95 [#uses=2]
sub i16 %94, %95 ; <i16>:96 [#uses=1]
load i32* @g_197, align 4 ; <i32>:97 [#uses=1]
trunc i32 %97 to i16 ; <i16>:98 [#uses=1]
tail call i32 @func_55( i32 -346178830, i16 zeroext %98, i16 zeroext %95 ) nounwind ; <i32>:99 [#uses=0]
zext i16 %p_48 to i32 ; <i32>:100 [#uses=1]
load i8* @g_247, align 1 ; <i8>:101 [#uses=1]
zext i8 %101 to i32 ; <i32>:102 [#uses=1]
sub i32 %100, %102 ; <i32>:103 [#uses=1]
tail call i32 @func_55( i32 %103, i16 zeroext -2972, i16 zeroext %96 ) nounwind ; <i32>:104 [#uses=0]
xor i32 %92, 2968 ; <i32>:105 [#uses=1]
load i32* @g_197, align 4 ; <i32>:106 [#uses=1]
icmp ugt i32 %105, %106 ; <i1>:107 [#uses=1]
zext i1 %107 to i32 ; <i32>:108 [#uses=1]
store i32 %108, i32* @g_33, align 4
br label %bb248
bb248: ; preds = %bb284, %bb241
%p_49_addr.1.reg2mem.0 = phi i32 [ 0, %bb241 ], [ %134, %bb284 ] ; <i32> [#uses=2]
%p_48_addr.2.reg2mem.0 = phi i16 [ %p_48, %bb241 ], [ %p_48_addr.1, %bb284 ] ; <i16> [#uses=1]
%p_46_addr.1.reg2mem.0 = phi i32 [ %p_46, %bb241 ], [ %133, %bb284 ] ; <i32> [#uses=1]
%p_45_addr.1.reg2mem.0 = phi i32 [ %p_45, %bb241 ], [ %p_45_addr.0, %bb284 ] ; <i32> [#uses=2]
tail call i32 @func_63( i16 signext 1 ) nounwind ; <i32>:109 [#uses=1]
icmp eq i32 %109, 0 ; <i1>:110 [#uses=1]
br i1 %110, label %bb272.thread, label %bb255.thread
bb272.thread: ; preds = %bb248
store i32 1, i32* @g_82
load i16* @g_267, align 2 ; <i16>:111 [#uses=1]
icmp eq i16 %111, 0 ; <i1>:112 [#uses=1]
br i1 %112, label %bb311.loopexit.split, label %bb268
bb255.thread: ; preds = %bb248
load i32* @g_260, align 4 ; <i32>:113 [#uses=1]
sub i32 %113, %p_52 ; <i32>:114 [#uses=1]
and i32 %114, -20753 ; <i32>:115 [#uses=1]
icmp ne i32 %115, 0 ; <i1>:116 [#uses=1]
zext i1 %116 to i16 ; <i16>:117 [#uses=1]
store i16 %117, i16* @g_221, align 2
br label %bb284
bb268: ; preds = %bb268, %bb272.thread
%indvar = phi i32 [ 0, %bb272.thread ], [ %g_82.tmp.0, %bb268 ] ; <i32> [#uses=2]
%p_46_addr.0.reg2mem.0 = phi i32 [ %p_46_addr.1.reg2mem.0, %bb272.thread ], [ %119, %bb268 ] ; <i32> [#uses=1]
%g_82.tmp.0 = add i32 %indvar, 1 ; <i32> [#uses=2]
trunc i32 %p_46_addr.0.reg2mem.0 to i16 ; <i16>:118 [#uses=1]
and i32 %g_82.tmp.0, 28156 ; <i32>:119 [#uses=1]
add i32 %indvar, 2 ; <i32>:120 [#uses=4]
icmp sgt i32 %120, -1 ; <i1>:121 [#uses=1]
br i1 %121, label %bb268, label %bb274.split
bb274.split: ; preds = %bb268
store i32 %120, i32* @g_82
br i1 %50, label %bb279, label %bb276
bb276: ; preds = %bb274.split
store i16 0, i16* @g_222, align 2
br label %bb284
bb279: ; preds = %bb274.split
icmp eq i32 %120, 0 ; <i1>:122 [#uses=1]
%.0317 = select i1 %122, i32 1, i32 %120 ; <i32> [#uses=1]
udiv i32 -8, %.0317 ; <i32>:123 [#uses=1]
trunc i32 %123 to i16 ; <i16>:124 [#uses=1]
br label %bb284
bb284: ; preds = %bb279, %bb276, %bb255.thread
%p_49_addr.0 = phi i32 [ %p_49_addr.1.reg2mem.0, %bb279 ], [ %p_49_addr.1.reg2mem.0, %bb276 ], [ 0, %bb255.thread ] ; <i32> [#uses=1]
%p_48_addr.1 = phi i16 [ %124, %bb279 ], [ %118, %bb276 ], [ %p_48_addr.2.reg2mem.0, %bb255.thread ] ; <i16> [#uses=1]
%p_45_addr.0 = phi i32 [ %p_45_addr.1.reg2mem.0, %bb279 ], [ %p_45_addr.1.reg2mem.0, %bb276 ], [ 8, %bb255.thread ] ; <i32> [#uses=3]
load i32* @g_43, align 4 ; <i32>:125 [#uses=1]
trunc i32 %125 to i8 ; <i8>:126 [#uses=1]
tail call i32 @func_116( i8 zeroext %126 ) nounwind ; <i32>:127 [#uses=0]
lshr i32 65255, %p_45_addr.0 ; <i32>:128 [#uses=1]
icmp ugt i32 %p_45_addr.0, 31 ; <i1>:129 [#uses=1]
%.op = lshr i32 %128, 31 ; <i32> [#uses=1]
%.op.op = xor i32 %.op, 1 ; <i32> [#uses=1]
%.354..lobit.not = select i1 %129, i32 1, i32 %.op.op ; <i32> [#uses=1]
load i16* @g_39, align 2 ; <i16>:130 [#uses=1]
zext i16 %130 to i32 ; <i32>:131 [#uses=1]
icmp slt i32 %.354..lobit.not, %131 ; <i1>:132 [#uses=1]
zext i1 %132 to i32 ; <i32>:133 [#uses=1]
add i32 %p_49_addr.0, 1 ; <i32>:134 [#uses=2]
icmp sgt i32 %134, -1 ; <i1>:135 [#uses=1]
br i1 %135, label %bb248, label %bb307
bb307: ; preds = %bb284
tail call i32 @func_103( i16 zeroext 0 ) nounwind ; <i32>:136 [#uses=0]
ret i32 %40
bb311.loopexit.split: ; preds = %bb272.thread
store i32 1, i32* @g_82
ret i32 1
bb311: ; preds = %bb223, %bb202
%.0 = phi i32 [ 1, %bb202 ], [ 0, %bb223 ] ; <i32> [#uses=1]
ret i32 %.0
}
declare i32 @func_25(i8 zeroext ) nounwind
declare i32 @func_55(i32, i16 zeroext , i16 zeroext ) nounwind
declare i32 @func_63(i16 signext ) nounwind
declare i32 @func_74(i16 zeroext , i8 zeroext , i16 zeroext , i16 zeroext ) nounwind
declare i32 @func_84(i32, i16 zeroext , i16 zeroext ) nounwind
declare i32 @func_103(i16 zeroext ) nounwind
declare i32 @func_124(i32) nounwind
declare i32 @func_128(i32) nounwind
declare i32 @func_116(i8 zeroext ) nounwind
declare i32 @func_112(i32, i16 zeroext ) nounwind
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