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*, %Dual.212* %other) { 12 top: 13 br label %if24 14 15 ; CHECK-NOT: %bc = bitcast i64* %v2.sroa.0.0..sroa_cast 16 ; CHECK: %bound0 = icmp ult i8* %[[x:[a-z0-9]+]], %[[y:[a-z0-9]+]] 17 ; CHECK-NOT: %bound1 = icmp ult i8* %[[y]], %[[x]] 18 19 if24: ; preds = %if24, %top 20 %"#temp#1.sroa.3.02" = phi i64 [ undef, %top ], [ %2, %if24 ] 21 %"#temp#1.sroa.0.01" = phi i64 [ undef, %top ], [ %1, %if24 ] 22 %1 = add i64 %"#temp#1.sroa.0.01", 1 23 %2 = add i64 %"#temp#1.sroa.3.02", 1 24 ; This pointer is loop invariant. LAA used to re-use it from memcheck, even though it didn't dominate. 25 %v2.sroa.0.0..sroa_cast = bitcast %Dual.212* %0 to i64* 26 %v2.sroa.0.0.copyload = load i64, i64* %v2.sroa.0.0..sroa_cast, align 1 27 %3 = add i64 %"#temp#1.sroa.0.01", -1 28 %4 = getelementptr inbounds %Dual.212, %Dual.212* %other, i64 0, i32 1, i32 0, i64 0, i32 1, i32 0, i64 0 29 %5 = bitcast double* %4 to i64* 30 store i64 undef, i64* %5, align 8 31 %notlhs27 = icmp eq i64 %2, undef 32 %notrhs28 = icmp eq i64 %1, undef 33 %6 = or i1 %notrhs28, %notlhs27 34 br i1 %6, label %L41.L335_crit_edge, label %if24 35 36 L41.L335_crit_edge: ; preds = %if24 37 ret void 38 } 39
