[llvm] r279759 - GlobalISel: mark pointer constants as legal on AArch64.

[Tim Northover via llvm-commits]

Author: tnorthover
Date: Thu Aug 25 12:37:35 2016
New Revision: 279759

URL: http://llvm.org/viewvc/llvm-project?rev=279759&view=rev
Log:
GlobalISel: mark pointer constants as legal on AArch64.

Modified:
    llvm/trunk/lib/Target/AArch64/AArch64MachineLegalizer.cpp
    llvm/trunk/test/CodeGen/AArch64/GlobalISel/legalize-constant.mir

Modified: llvm/trunk/lib/Target/AArch64/AArch64MachineLegalizer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/AArch64MachineLegalizer.cpp?rev=279759&r1=279758&r2=279759&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AArch64/AArch64MachineLegalizer.cpp (original)
+++ llvm/trunk/lib/Target/AArch64/AArch64MachineLegalizer.cpp Thu Aug 25 12:37:35 2016
@@ -72,6 +72,8 @@ AArch64MachineLegalizer::AArch64MachineL
     setAction({TargetOpcode::G_FCONSTANT, Ty}, Legal);
   }
 
+  setAction({G_CONSTANT, p0}, Legal);
+
   for (auto Ty : {s1, s8, s16})
     setAction({TargetOpcode::G_CONSTANT, Ty}, WidenScalar);
 

Modified: llvm/trunk/test/CodeGen/AArch64/GlobalISel/legalize-constant.mir
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AArch64/GlobalISel/legalize-constant.mir?rev=279759&r1=279758&r2=279759&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AArch64/GlobalISel/legalize-constant.mir (original)
+++ llvm/trunk/test/CodeGen/AArch64/GlobalISel/legalize-constant.mir Thu Aug 25 12:37:35 2016
@@ -21,6 +21,7 @@ registers:
   - { id: 2, class: _ }
   - { id: 3, class: _ }
   - { id: 4, class: _ }
+  - { id: 5, class: _ }
 body: |
   bb.0.entry:
     ; CHECK-LABEL: name: test_constant
@@ -32,12 +33,14 @@ body: |
     ; CHECK: %2(16) = G_TRUNC { s16, s32 } [[TMP]]
     ; CHECK: %3(32) = G_CONSTANT s32 -1
     ; CHECK: %4(64) = G_CONSTANT s64 1
+    ; CHECK: %5(64) = G_CONSTANT p0 0
 
     %0(1) = G_CONSTANT s1 0
     %1(8) = G_CONSTANT s8 42
     %2(16) = G_CONSTANT s16 65535
     %3(32) = G_CONSTANT s32 -1
     %4(64) = G_CONSTANT s64 1
+    %5(64) = G_CONSTANT p0 0
 ...
 
 ---