| ; 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(...) |