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| author | Mitch Phillips <mitchp@google.com> | 2020-06-22 13:28:23 -0700 |
|---|---|---|
| committer | Mitch Phillips <mitchp@google.com> | 2020-06-30 17:35:56 +0000 |
| commit | b1c574fd13bf6942399c62ffd906c3c6042c8e14 (patch) | |
| tree | 1ea91232c8452fc8713c51b538a82be7e6ba018d | |
| parent | 42ffc3f0002d64d82449485dfb6572140d268d49 (diff) | |
| download | build_soong-b1c574fd13bf6942399c62ffd906c3c6042c8e14.tar.gz build_soong-b1c574fd13bf6942399c62ffd906c3c6042c8e14.tar.bz2 build_soong-b1c574fd13bf6942399c62ffd906c3c6042c8e14.zip | |
[HWASan] Disable GlobalISel/FastISel w/ HWASan.
Bug: 159343917
Test: See upstream testing at https://reviews.llvm.org/D82249
Change-Id: Ib644a857caa048d7fc3dd5e5f20553e0b4a47d43
| -rw-r--r-- | cc/sanitize.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/cc/sanitize.go b/cc/sanitize.go index 371f2708..463a02ac 100644 --- a/cc/sanitize.go +++ b/cc/sanitize.go @@ -48,6 +48,10 @@ var ( // higher number of "optimized out" stack variables. // b/112437883. "-mllvm", "-instcombine-lower-dbg-declare=0", + // TODO(b/159343917): HWASan and GlobalISel don't play nicely, and + // GlobalISel is the default at -O0 on aarch64. + "-mllvm", "--aarch64-enable-global-isel-at-O=-1", + "-mllvm", "-fast-isel=false", } cfiCflags = []string{"-flto", "-fsanitize-cfi-cross-dso", |