[llvm] r279845 - GlobalISel: mark G_FPEXT legal from float to double.

[Tim Northover via llvm-commits]

Author: tnorthover
Date: Fri Aug 26 12:46:22 2016
New Revision: 279845

URL: http://llvm.org/viewvc/llvm-project?rev=279845&view=rev
Log:
GlobalISel: mark G_FPEXT legal from float to double.

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

Modified: llvm/trunk/lib/Target/AArch64/AArch64MachineLegalizer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/AArch64MachineLegalizer.cpp?rev=279845&r1=279844&r2=279845&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AArch64/AArch64MachineLegalizer.cpp (original)
+++ llvm/trunk/lib/Target/AArch64/AArch64MachineLegalizer.cpp Fri Aug 26 12:46:22 2016
@@ -114,6 +114,9 @@ AArch64MachineLegalizer::AArch64MachineL
     setAction({G_ANYEXT, 1, Ty}, Legal);
   }
 
+  setAction({G_FPEXT, s64}, Legal);
+  setAction({G_FPEXT, 1, s32}, Legal);
+
   // Truncations
   for (auto Ty : { s16, s32 })
     setAction({G_FPTRUNC, Ty}, Legal);

Modified: llvm/trunk/test/CodeGen/AArch64/GlobalISel/legalize-ext.mir
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AArch64/GlobalISel/legalize-ext.mir?rev=279845&r1=279844&r2=279845&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AArch64/GlobalISel/legalize-ext.mir (original)
+++ llvm/trunk/test/CodeGen/AArch64/GlobalISel/legalize-ext.mir Fri Aug 26 12:46:22 2016
@@ -29,6 +29,8 @@ registers:
   - { id: 14, class: _ }
   - { id: 15, class: _ }
   - { id: 16, class: _ }
+  - { id: 17, class: _ }
+  - { id: 18, class: _ }
 body: |
   bb.0.entry:
     liveins: %x0, %x1, %x2, %x3
@@ -70,4 +72,8 @@ body: |
     ; CHECK: %16(16) = G_ANYEXT { s16, s8 } %2
     %15(8) = G_ZEXT { s8, s1 } %1
     %16(16) = G_ANYEXT { s16, s8 } %2
+
+    ; CHECK: %18(64) = G_FPEXT { s64, s32 } %17
+    %17(32) = G_TRUNC { s32, s64 }  %0
+    %18(64) = G_FPEXT { s64, s32 } %17
 ...