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| author | Matthias Braun <matze@braunis.de> | 2016-12-03 00:52:56 +0000 |
|---|---|---|
| committer | Matthias Braun <matze@braunis.de> | 2016-12-03 00:52:56 +0000 |
| commit | 1fbb0f6dd9979ae469040b43c9d9262f4430611e (patch) | |
| tree | 2a3538b098329fd9ce434890447072b0aac41d59 /llvm/test/CodeGen/AArch64/arm64-collect-loh-garbage-crash.ll | |
| parent | 835de1f3ab2df5ce56eab9e5d9021a26fe04b854 (diff) | |
| download | bcm5719-llvm-1fbb0f6dd9979ae469040b43c9d9262f4430611e.tar.gz bcm5719-llvm-1fbb0f6dd9979ae469040b43c9d9262f4430611e.zip | |
AArch64CollectLOH: Rewrite as block-local analysis.
Previously this pass was using up to 5% compile time in some cases which
is a bit much for what it is doing. The pass featured a full blown
data-flow analysis which in the default configuration was restricted to a
single block.
This rewrites the pass under the assumption that we only ever work on a
single block. This is done in a single pass maintaining a state machine
per general purpose register to catch LOH patterns.
Differential Revision: https://reviews.llvm.org/D27329
llvm-svn: 288561
Diffstat (limited to 'llvm/test/CodeGen/AArch64/arm64-collect-loh-garbage-crash.ll')
| -rw-r--r-- | llvm/test/CodeGen/AArch64/arm64-collect-loh-garbage-crash.ll | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/test/CodeGen/AArch64/arm64-collect-loh-garbage-crash.ll b/llvm/test/CodeGen/AArch64/arm64-collect-loh-garbage-crash.ll index 4a3696501fd..727c189721f 100644 --- a/llvm/test/CodeGen/AArch64/arm64-collect-loh-garbage-crash.ll +++ b/llvm/test/CodeGen/AArch64/arm64-collect-loh-garbage-crash.ll @@ -1,4 +1,4 @@ -; RUN: llc -mtriple=arm64-apple-ios -O3 -aarch64-enable-collect-loh -aarch64-collect-loh-bb-only=true -aarch64-collect-loh-pre-collect-register=false < %s -o - | FileCheck %s +; RUN: llc -o - %s -mtriple=arm64-apple-ios -O3 -aarch64-enable-collect-loh | FileCheck %s ; Check that the LOH analysis does not crash when the analysed chained ; contains instructions that are filtered out. ; |
