| Keno Fischer | 92f377b | 2016-12-05 21:25:03 +0000 | [diff] [blame] | 1 | ; RUN: opt -loop-versioning -S < %s | FileCheck %s |
| 2 | ; Checks that when introducing check, we don't accidentally introduce non-dominating instructions |
| 3 | target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| 4 | |
| 5 | %Dual.212 = type { %Dual.213, %Partials.215 } |
| 6 | %Dual.213 = type { double, %Partials.214 } |
| 7 | %Partials.214 = type { [2 x double] } |
| 8 | %Partials.215 = type { [2 x %Dual.213] } |
| 9 | |
| 10 | ; Function Attrs: sspreq |
| 11 | define void @"julia_axpy!_65480"(%Dual.212*) { |
| 12 | top: |
| 13 | br label %if24 |
| 14 | |
| 15 | ; CHECK-NOT: %bc = bitcast i64* %v2.sroa.0.0..sroa_cast |
| 16 | ; CHECK: %bound0 |
| 17 | |
| 18 | if24: ; preds = %if24, %top |
| 19 | %"#temp#1.sroa.3.02" = phi i64 [ undef, %top ], [ %2, %if24 ] |
| 20 | %"#temp#1.sroa.0.01" = phi i64 [ undef, %top ], [ %1, %if24 ] |
| 21 | %1 = add i64 %"#temp#1.sroa.0.01", 1 |
| 22 | %2 = add i64 %"#temp#1.sroa.3.02", 1 |
| 23 | ; This pointer is loop invariant. LAA used to re-use it from memcheck, even though it didn't dominate. |
| 24 | %v2.sroa.0.0..sroa_cast = bitcast %Dual.212* %0 to i64* |
| 25 | %v2.sroa.0.0.copyload = load i64, i64* %v2.sroa.0.0..sroa_cast, align 1 |
| 26 | %3 = add i64 %"#temp#1.sroa.0.01", -1 |
| 27 | %4 = getelementptr inbounds %Dual.212, %Dual.212* undef, i64 %3, i32 1, i32 0, i64 0, i32 1, i32 0, i64 0 |
| 28 | %5 = bitcast double* %4 to i64* |
| 29 | store i64 undef, i64* %5, align 8 |
| 30 | %notlhs27 = icmp eq i64 %2, undef |
| 31 | %notrhs28 = icmp eq i64 %1, undef |
| 32 | %6 = or i1 %notrhs28, %notlhs27 |
| 33 | br i1 %6, label %L41.L335_crit_edge, label %if24 |
| 34 | |
| 35 | L41.L335_crit_edge: ; preds = %if24 |
| 36 | ret void |
| 37 | } |