ARM: constrain register-class in fast-isel

The tests were no longer using fast-isel at all (MachO needs an "ios" rather
than "darwin" triple at the moment and Linux needs ARM mode). Once that was
corrected, the verifier complained about a t2ADDri created for the alloca.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197046 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM/ARMFastISel.cpp b/lib/Target/ARM/ARMFastISel.cpp
index 975417eba0b128aad26d1ded81368519e1b97fed..f696113b42441175dfec0f270117322ee19b5e2c 100644 (file)
--- a/lib/Target/ARM/ARMFastISel.cpp
+++ b/lib/Target/ARM/ARMFastISel.cpp
@@ -801,9 +801,11 @@ unsigned ARMFastISel::TargetMaterializeAlloca(const AllocaInst *AI) {
   // This will get lowered later into the correct offsets and registers
   // via rewriteXFrameIndex.
   if (SI != FuncInfo.StaticAllocaMap.end()) {
+    unsigned Opc = isThumb2 ? ARM::t2ADDri : ARM::ADDri;
     const TargetRegisterClass* RC = TLI.getRegClassFor(VT);
     unsigned ResultReg = createResultReg(RC);
-    unsigned Opc = isThumb2 ? ARM::t2ADDri : ARM::ADDri;
+    ResultReg = constrainOperandRegClass(TII.get(Opc), ResultReg, 0);
+
     AddOptionalDefs(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL,
                             TII.get(Opc), ResultReg)
                             .addFrameIndex(SI->second)

diff --git a/test/CodeGen/ARM/fast-isel-static.ll b/test/CodeGen/ARM/fast-isel-static.ll
index 93c14a09205e6ac4f04fbb466c25b1e116b5ec87..9bd0a51e7120d6f387217142d8fdb47d0248d7b3 100644 (file)
--- a/test/CodeGen/ARM/fast-isel-static.ll
+++ b/test/CodeGen/ARM/fast-isel-static.ll
@@ -1,7 +1,7 @@
-; RUN: llc < %s -mtriple=thumbv7-apple-darwin -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=static -arm-long-calls | FileCheck -check-prefix=CHECK-LONG %s
-; RUN: llc < %s -mtriple=thumbv7-linux-gnueabi -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=static -arm-long-calls | FileCheck -check-prefix=CHECK-LONG %s
-; RUN: llc < %s -mtriple=thumbv7-apple-darwin -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=static | FileCheck -check-prefix=CHECK-NORM %s
-; RUN: llc < %s -mtriple=thumbv7-linux-gnueabi -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=static | FileCheck -check-prefix=CHECK-NORM %s
+; RUN: llc < %s -mtriple=thumbv7-apple-ios -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=static -arm-long-calls | FileCheck -check-prefix=CHECK-LONG %s
+; RUN: llc < %s -mtriple=armv7-linux-gnueabi -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=static -arm-long-calls | FileCheck -check-prefix=CHECK-LONG %s
+; RUN: llc < %s -mtriple=thumbv7-apple-ios -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=static | FileCheck -check-prefix=CHECK-NORM %s
+; RUN: llc < %s -mtriple=armv7-linux-gnueabi -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=static | FileCheck -check-prefix=CHECK-NORM %s
 
 define void @myadd(float* %sum, float* %addend) nounwind {
 entry: