[llvm-commits] [llvm] r71013 - in /llvm/trunk: lib/Transforms/Scalar/LoopStrengthReduce.cpp test/Transforms/LoopStrengthReduce/2009-05-04-Overflow.ll
Bill Wendling
isanbard at gmail.com
Tue May 5 13:50:27 PDT 2009
Author: void
Date: Tue May 5 15:49:46 2009
New Revision: 71013
URL: http://llvm.org/viewvc/llvm-project?rev=71013&view=rev
Log:
Temporarily reverting r71008. It was causing this failure:
Running /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/test/
CodeGen/X86/dg.exp ...
FAIL: /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/test/
CodeGen/X86/change-compare-stride-1.ll
Failed with exit(1) at line 2
while running: grep {cmpq $-478,} change-compare-stride-1.ll.tmp
child process exited abnormally
Removed:
llvm/trunk/test/Transforms/LoopStrengthReduce/2009-05-04-Overflow.ll
Modified:
llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp
Modified: llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp?rev=71013&r1=71012&r2=71013&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp Tue May 5 15:49:46 2009
@@ -2027,10 +2027,9 @@
Scale = SSInt / CmpSSInt;
int64_t NewCmpVal = CmpVal * Scale;
- APInt Mul = APInt(BitWidth*2, CmpVal);
- Mul = Mul * APInt(BitWidth*2, Scale);
+ APInt Mul = APInt(BitWidth, NewCmpVal);
// Check for overflow.
- if (!Mul.isSignedIntN(BitWidth))
+ if (Mul.getSExtValue() != NewCmpVal)
continue;
// Watch out for overflow.
Removed: llvm/trunk/test/Transforms/LoopStrengthReduce/2009-05-04-Overflow.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopStrengthReduce/2009-05-04-Overflow.ll?rev=71012&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/LoopStrengthReduce/2009-05-04-Overflow.ll (original)
+++ llvm/trunk/test/Transforms/LoopStrengthReduce/2009-05-04-Overflow.ll (removed)
@@ -1,122 +0,0 @@
-; Check that we do not strength reduce to an overflowiong loop condition
-; RUN: llvm-as < %s | opt -loop-reduce | llvm-dis | not grep 4755160694556239428
-
-target datalayout = "e-p:64:64"
-target triple = "x86_64-unknown-linux-gnu"
-@"initialized$$$CFE_id_3d9e38d5_main" = linkonce global [3 x i64] [i64 6729544817907097974, i64 754394135718280480, i64 0]
-@"initialized$main$$CFE_id_3d9e38d5_main" = linkonce global [512 x i64] zeroinitializer
-
-define i32 @main() {
-"file loop.c, line 10, bb14":
- %vals = alloca [512 x i64], align 16
- br label %"file loop.c, line 10, bb101"
-
-"file loop.c, line 10, bb101":
- br label %"file loop.c, line 10, in inner vector loop at depth 0, bb62"
-
-"file loop.c, line 10, in inner vector loop at depth 0, bb62":
- %"$SI_S13.0" = phi i64 [ 0, %"file loop.c, line 10, bb101" ], [ %r35, %"file loop.c, line 13, in inner vector loop at depth 0, bb63" ]
- %"$LC_S14.0" = phi i64 [ -256, %"file loop.c, line 10, bb101" ], [ %r37, %"file loop.c, line 13, in inner vector loop at depth 0, bb63" ]
- br label %"file loop.c, line 13, in inner vector loop at depth 0, bb63"
-
-"file loop.c, line 13, in inner vector loop at depth 0, bb63":
- %r3 = add i64 %"$SI_S13.0", ptrtoint ([512 x i64]* @"initialized$main$$CFE_id_3d9e38d5_main" to i64)
- %vals18 = bitcast [512 x i64]* %vals to i8*
- %ctg2 = getelementptr i8* %vals18, i64 %"$SI_S13.0"
- %r9 = inttoptr i64 %r3 to <2 x i64>*
- %r10 = load <2 x i64>* %r9, align 8
- %r12 = bitcast i8* %ctg2 to <2 x i64>*
- store <2 x i64> %r10, <2 x i64>* %r12, align 16
- %tmp17 = inttoptr i64 %r3 to <2 x i64>*
- %r15 = getelementptr <2 x i64>* %tmp17, i64 1
- %r16 = load <2 x i64>* %r15, align 8
- %ctg2.sum19 = or i64 %"$SI_S13.0", 16
- %r19 = getelementptr i8* %vals18, i64 %ctg2.sum19
- %0 = bitcast i8* %r19 to <2 x i64>*
- store <2 x i64> %r16, <2 x i64>* %0, align 16
- %tmp15 = inttoptr i64 %r3 to <2 x i64>*
- %r22 = getelementptr <2 x i64>* %tmp15, i64 2
- %r23 = load <2 x i64>* %r22, align 8
- %ctg2.sum20 = or i64 %"$SI_S13.0", 32
- %r26 = getelementptr i8* %vals18, i64 %ctg2.sum20
- %1 = bitcast i8* %r26 to <2 x i64>*
- store <2 x i64> %r23, <2 x i64>* %1, align 16
- %tmp13 = inttoptr i64 %r3 to <2 x i64>*
- %r29 = getelementptr <2 x i64>* %tmp13, i64 3
- %r30 = load <2 x i64>* %r29, align 8
- %ctg2.sum21 = or i64 %"$SI_S13.0", 48
- %r33 = getelementptr i8* %vals18, i64 %ctg2.sum21
- %2 = bitcast i8* %r33 to <2 x i64>*
- store <2 x i64> %r30, <2 x i64>* %2, align 16
- %r35 = add i64 %"$SI_S13.0", 64
- %r37 = add i64 %"$LC_S14.0", 4
- %r39 = icmp slt i64 %r37, 0
- br i1 %r39, label %"file loop.c, line 10, in inner vector loop at depth 0, bb62", label %"file loop.c, line 15, bb51"
-
-"file loop.c, line 15, bb51":
- %3 = getelementptr [512 x i64]* %vals, i64 0, i64 0
- store i64 0, i64* %3, align 16
- br label %"file loop.c, line 10, in inner loop at depth 0, bb65"
-
-"file loop.c, line 10, in inner loop at depth 0, bb65":
- %"$vals_WR0_S15.0" = phi i64 [ 0, %"file loop.c, line 15, bb51" ], [ %r70, %"file loop.c, line 16, in inner loop at depth 0, bb67" ]
- %"$i_S16.0" = phi i64 [ 0, %"file loop.c, line 15, bb51" ], [ %r78, %"file loop.c, line 16, in inner loop at depth 0, bb67" ]
- br label %"file loop.c, line 16, in inner loop at depth 0, bb67"
-
-"file loop.c, line 16, in inner loop at depth 0, bb67":
- %r45 = add i64 %"$vals_WR0_S15.0", 81985529216486895
- %r5111 = or i64 %"$i_S16.0", 1
- %r5212 = getelementptr [512 x i64]* %vals, i64 0, i64 %r5111
- store i64 %r45, i64* %r5212, align 8
- %r54 = add i64 %"$vals_WR0_S15.0", 163971058432973790
- %r599 = or i64 %"$i_S16.0", 2
- %r6010 = getelementptr [512 x i64]* %vals, i64 0, i64 %r599
- store i64 %r54, i64* %r6010, align 16
- %r62 = add i64 %"$vals_WR0_S15.0", 245956587649460685
- %r677 = or i64 %"$i_S16.0", 3
- %r688 = getelementptr [512 x i64]* %vals, i64 0, i64 %r677
- store i64 %r62, i64* %r688, align 8
- %r70 = add i64 %"$vals_WR0_S15.0", 327942116865947580
- %r75 = add i64 %"$i_S16.0", 4
- %r766 = getelementptr [512 x i64]* %vals, i64 0, i64 %r75
- store i64 %r70, i64* %r766, align 16
- %r78 = add i64 %"$i_S16.0", 4
- %r80 = icmp slt i64 %r78, 508
- br i1 %r80, label %"file loop.c, line 10, in inner loop at depth 0, bb65", label %"file loop.c, line 16, bb39"
-
-"file loop.c, line 16, bb39":
- %r84 = add i64 %"$vals_WR0_S15.0", 409927646082434475
- %r885 = getelementptr [512 x i64]* %vals, i64 0, i64 509
- store i64 %r84, i64* %r885, align 8
- %r90 = add i64 %"$vals_WR0_S15.0", 491913175298921370
- %r944 = getelementptr [512 x i64]* %vals, i64 0, i64 510
- store i64 %r90, i64* %r944, align 16
- %r1003 = getelementptr [512 x i64]* %vals, i64 0, i64 511
- %r96.c = add i64 %"$vals_WR0_S15.0", 573898704515408265
- store i64 %r96.c, i64* %r1003, align 8
- br label %"file loop.c, line 10, in inner loop at depth 0, bb13"
-
-"file loop.c, line 10, in inner loop at depth 0, bb13":
- %"$i_S17.0" = phi i64 [ 0, %"file loop.c, line 16, bb39" ], [ %r111, %"file loop.c, line 19, in inner loop at depth 0, bb25" ]
- br label %"file loop.c, line 19, in inner loop at depth 0, bb6"
-
-"file loop.c, line 19, in inner loop at depth 0, bb6":
- %r102 = add i64 %"$i_S17.0", 1
- %r106 = add i64 %"$i_S17.0", 1
- %r1071 = getelementptr [512 x i64]* %vals, i64 0, i64 %r106
- %r1072 = load i64* %r1071, align 8
- %r109 = call i32 (...)* @printf([17 x i8]* bitcast ([3 x i64]* @"initialized$$$CFE_id_3d9e38d5_main" to [17 x i8]*), i64 %r102, i64 %r1072)
- br label %"file loop.c, line 19, in inner loop at depth 0, bb25"
-
-"file loop.c, line 19, in inner loop at depth 0, bb25":
- %r111 = add i64 %"$i_S17.0", 1
- %r113 = icmp slt i64 %r111, 511
- br i1 %r113, label %"file loop.c, line 10, in inner loop at depth 0, bb13", label %"file loop.c, line 19, bb10"
-
-"file loop.c, line 19, bb10":
- ret i32 0
-}
-
-declare i8* @llvm.returnaddress(i32) nounwind readnone
-
-declare i32 @printf(...)
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