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39 lines
1.6 KiB
39 lines
1.6 KiB
; RUN: opt -loop-versioning -S < %s | FileCheck %s
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; Checks that when introducing check, we don't accidentally introduce non-dominating instructions
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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%Dual.212 = type { %Dual.213, %Partials.215 }
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%Dual.213 = type { double, %Partials.214 }
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%Partials.214 = type { [2 x double] }
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%Partials.215 = type { [2 x %Dual.213] }
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; Function Attrs: sspreq
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define void @"julia_axpy!_65480"(%Dual.212*, %Dual.212* %other) {
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top:
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br label %if24
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; CHECK-NOT: %bc = bitcast i64* %v2.sroa.0.0..sroa_cast
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; CHECK: %bound0 = icmp ult i8* %[[x:[a-z0-9]+]], %[[y:[a-z0-9]+]]
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; CHECK-NOT: %bound1 = icmp ult i8* %[[y]], %[[x]]
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if24: ; preds = %if24, %top
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%"#temp#1.sroa.3.02" = phi i64 [ undef, %top ], [ %2, %if24 ]
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%"#temp#1.sroa.0.01" = phi i64 [ undef, %top ], [ %1, %if24 ]
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%1 = add i64 %"#temp#1.sroa.0.01", 1
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%2 = add i64 %"#temp#1.sroa.3.02", 1
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; This pointer is loop invariant. LAA used to re-use it from memcheck, even though it didn't dominate.
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%v2.sroa.0.0..sroa_cast = bitcast %Dual.212* %0 to i64*
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%v2.sroa.0.0.copyload = load i64, i64* %v2.sroa.0.0..sroa_cast, align 1
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%3 = add i64 %"#temp#1.sroa.0.01", -1
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%4 = getelementptr inbounds %Dual.212, %Dual.212* %other, i64 0, i32 1, i32 0, i64 0, i32 1, i32 0, i64 0
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%5 = bitcast double* %4 to i64*
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store i64 undef, i64* %5, align 8
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%notlhs27 = icmp eq i64 %2, undef
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%notrhs28 = icmp eq i64 %1, undef
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%6 = or i1 %notrhs28, %notlhs27
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br i1 %6, label %L41.L335_crit_edge, label %if24
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L41.L335_crit_edge: ; preds = %if24
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ret void
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}
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