PNaCl ABI: Remove use of @llvm.memset.p0i8.i64 (64-bit intrinsic variant)

Convert calls to this intrinsic to use the 32-bit variant instead.  Do
the same for the memcpy and memmove intrinsics too.

Change the PNaCl ABI verifier to check this argument.

BUG=https://code.google.com/p/nativeclient/issues/detail?id=3530
TEST=*.ll tests + PNaCl toolchain trybots

Review URL: https://codereview.chromium.org/18226003

1 files changed, 1 insertions, 0 deletions

diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index 56ac3ec9a7..c5405de902 100644
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -605,6 +605,7 @@ int main(int argc, char **argv) {
   initializeTarget(Registry);
   // @LOCALMOD-BEGIN
   initializeAddPNaClExternalDeclsPass(Registry);
+  initializeCanonicalizeMemIntrinsicsPass(Registry);
   initializeExpandArithWithOverflowPass(Registry);
   initializeExpandByValPass(Registry);
   initializeExpandConstantExprPass(Registry);