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authorDavid L. Jones <dlj@google.com>2017-11-15 01:40:05 +0000
committerDavid L. Jones <dlj@google.com>2017-11-15 01:40:05 +0000
commitd5c2cca72463233df77a065f201db31b140eb44d (patch)
tree3f9a978131033302a58b7db7db1ecf2a4622bad2 /lib/Target/WebAssembly/WebAssemblyExplicitLocals.cpp
parentce7676b8db6bac096dad4c4ad62e9e6bb8aa1064 (diff)
parentdcf64df89bc6d775e266ebd6b0134d135f47a35b (diff)
downloadllvm-testing.tar.gz
Creating branches/google/testing and tags/google/testing/2017-11-14 from r317716testing
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/google/testing@318248 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/WebAssembly/WebAssemblyExplicitLocals.cpp')
-rw-r--r--lib/Target/WebAssembly/WebAssemblyExplicitLocals.cpp20
1 files changed, 20 insertions, 0 deletions
diff --git a/lib/Target/WebAssembly/WebAssemblyExplicitLocals.cpp b/lib/Target/WebAssembly/WebAssemblyExplicitLocals.cpp
index 41249117ae0e..e2edb924d4d2 100644
--- a/lib/Target/WebAssembly/WebAssemblyExplicitLocals.cpp
+++ b/lib/Target/WebAssembly/WebAssemblyExplicitLocals.cpp
@@ -294,6 +294,17 @@ bool WebAssemblyExplicitLocals::runOnMachineFunction(MachineFunction &MF) {
unsigned OldReg = MO.getReg();
+ // Inline asm may have a def in the middle of the operands. Our contract
+ // with inline asm register operands is to provide local indices as
+ // immediates.
+ if (MO.isDef()) {
+ assert(MI.getOpcode() == TargetOpcode::INLINEASM);
+ unsigned LocalId = getLocalId(Reg2Local, CurLocal, OldReg);
+ MRI.removeRegOperandFromUseList(&MO);
+ MO = MachineOperand::CreateImm(LocalId);
+ continue;
+ }
+
// If we see a stackified register, prepare to insert subsequent
// get_locals before the start of its tree.
if (MFI.isVRegStackified(OldReg)) {
@@ -301,6 +312,15 @@ bool WebAssemblyExplicitLocals::runOnMachineFunction(MachineFunction &MF) {
continue;
}
+ // Our contract with inline asm register operands is to provide local
+ // indices as immediates.
+ if (MI.getOpcode() == TargetOpcode::INLINEASM) {
+ unsigned LocalId = getLocalId(Reg2Local, CurLocal, OldReg);
+ MRI.removeRegOperandFromUseList(&MO);
+ MO = MachineOperand::CreateImm(LocalId);
+ continue;
+ }
+
// Insert a get_local.
unsigned LocalId = getLocalId(Reg2Local, CurLocal, OldReg);
const TargetRegisterClass *RC = MRI.getRegClass(OldReg);