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| author | Eric Christopher <echristo@gmail.com> | 2019-04-17 04:52:47 +0000 |
|---|---|---|
| committer | Eric Christopher <echristo@gmail.com> | 2019-04-17 04:52:47 +0000 |
| commit | cee313d288a4faf0355d76fb6e0e927e211d08a5 (patch) | |
| tree | d386075318d761197779a96e5d8fc0dc7b06342b /llvm/test/Transforms/LoopVersioning/loop-invariant-bound.ll | |
| parent | c3d6a929fdd92fd06d4304675ade8d7210ee711a (diff) | |
| download | bcm5719-llvm-cee313d288a4faf0355d76fb6e0e927e211d08a5.tar.gz bcm5719-llvm-cee313d288a4faf0355d76fb6e0e927e211d08a5.zip | |
Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.
Will be re-reverting again.
llvm-svn: 358552
Diffstat (limited to 'llvm/test/Transforms/LoopVersioning/loop-invariant-bound.ll')
| -rw-r--r-- | llvm/test/Transforms/LoopVersioning/loop-invariant-bound.ll | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LoopVersioning/loop-invariant-bound.ll b/llvm/test/Transforms/LoopVersioning/loop-invariant-bound.ll new file mode 100644 index 00000000000..01c5a55bd5b --- /dev/null +++ b/llvm/test/Transforms/LoopVersioning/loop-invariant-bound.ll @@ -0,0 +1,38 @@ +; RUN: opt -loop-versioning -S < %s | FileCheck %s +; Checks that when introducing check, we don't accidentally introduce non-dominating instructions +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" + +%Dual.212 = type { %Dual.213, %Partials.215 } +%Dual.213 = type { double, %Partials.214 } +%Partials.214 = type { [2 x double] } +%Partials.215 = type { [2 x %Dual.213] } + +; Function Attrs: sspreq +define void @"julia_axpy!_65480"(%Dual.212*, %Dual.212* %other) { +top: + br label %if24 + +; CHECK-NOT: %bc = bitcast i64* %v2.sroa.0.0..sroa_cast +; CHECK: %bound0 = icmp ult i8* %[[x:[a-z0-9]+]], %[[y:[a-z0-9]+]] +; CHECK-NOT: %bound1 = icmp ult i8* %[[y]], %[[x]] + +if24: ; preds = %if24, %top + %"#temp#1.sroa.3.02" = phi i64 [ undef, %top ], [ %2, %if24 ] + %"#temp#1.sroa.0.01" = phi i64 [ undef, %top ], [ %1, %if24 ] + %1 = add i64 %"#temp#1.sroa.0.01", 1 + %2 = add i64 %"#temp#1.sroa.3.02", 1 + ; This pointer is loop invariant. LAA used to re-use it from memcheck, even though it didn't dominate. + %v2.sroa.0.0..sroa_cast = bitcast %Dual.212* %0 to i64* + %v2.sroa.0.0.copyload = load i64, i64* %v2.sroa.0.0..sroa_cast, align 1 + %3 = add i64 %"#temp#1.sroa.0.01", -1 + %4 = getelementptr inbounds %Dual.212, %Dual.212* %other, i64 0, i32 1, i32 0, i64 0, i32 1, i32 0, i64 0 + %5 = bitcast double* %4 to i64* + store i64 undef, i64* %5, align 8 + %notlhs27 = icmp eq i64 %2, undef + %notrhs28 = icmp eq i64 %1, undef + %6 = or i1 %notrhs28, %notlhs27 + br i1 %6, label %L41.L335_crit_edge, label %if24 + +L41.L335_crit_edge: ; preds = %if24 + ret void +} |
