commit 2e0ee477127c44b86c018da7f24a622ec8f8fccd
author Matt Arsenault <Matthew.Arsenault@amd.com> Thu Feb 21 15:48:13 2019 +0000
committer Matt Arsenault <Matthew.Arsenault@amd.com> Thu Feb 21 15:48:13 2019 +0000
tree 3242130c41423989dc86ec5dd23d4789c9e2ad4c
parent 8df2f3dab203acbb84e6a9c88433f13fc62d573d

AMDGPU/GlobalISel: Make phis legal

llvm-svn: 354592

llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp

diff --git a/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp b/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
index dd05534..ce09d4a 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
@@ -149,6 +149,19 @@
 
   setAction({G_BRCOND, S1}, Legal);
 
+  // TODO: All multiples of 32, vectors of pointers, all v2s16 pairs, more
+  // elements for v3s16
+  getActionDefinitionsBuilder(G_PHI)
+    .legalFor({S32, S64, V2S16, V4S16, S1, S128, S256})
+    .legalFor(AllS32Vectors)
+    .legalFor(AllS64Vectors)
+    .legalFor(AddrSpaces64)
+    .legalFor(AddrSpaces32)
+    .clampScalar(0, S32, S256)
+    .widenScalarToNextPow2(0, 32)
+    .legalIf(isPointer(0));
+
+
   getActionDefinitionsBuilder({G_ADD, G_SUB, G_MUL, G_UMULH, G_SMULH})
     .legalFor({S32})
     .clampScalar(0, S32, S32)