[llvm] r279840 - GlobalISel: mark selects legal

[Tim Northover via llvm-commits]

Author: tnorthover
Date: Fri Aug 26 12:46:03 2016
New Revision: 279840

URL: http://llvm.org/viewvc/llvm-project?rev=279840&view=rev
Log:
GlobalISel: mark selects legal

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

Modified: llvm/trunk/lib/Target/AArch64/AArch64MachineLegalizer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/AArch64MachineLegalizer.cpp?rev=279840&r1=279839&r2=279840&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AArch64/AArch64MachineLegalizer.cpp (original)
+++ llvm/trunk/lib/Target/AArch64/AArch64MachineLegalizer.cpp Fri Aug 26 12:46:03 2016
@@ -141,6 +141,12 @@ AArch64MachineLegalizer::AArch64MachineL
   for (auto Ty : {s1, s8, s16})
     setAction({G_BRCOND, Ty}, WidenScalar);
 
+  // Select
+  for (auto Ty : {s1, s8, s16, s32, s64})
+    setAction({G_SELECT, Ty}, Legal);
+
+  setAction({G_SELECT, 1, s1}, Legal);
+
   // Pointer-handling
   setAction({G_FRAME_INDEX, p0}, Legal);
 

Modified: llvm/trunk/test/CodeGen/AArch64/GlobalISel/legalize-simple.mir
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AArch64/GlobalISel/legalize-simple.mir?rev=279840&r1=279839&r2=279840&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AArch64/GlobalISel/legalize-simple.mir (original)
+++ llvm/trunk/test/CodeGen/AArch64/GlobalISel/legalize-simple.mir Fri Aug 26 12:46:03 2016
@@ -39,6 +39,11 @@ registers:
   - { id: 22, class: _ }
   - { id: 23, class: _ }
   - { id: 24, class: _ }
+  - { id: 25, class: _ }
+  - { id: 26, class: _ }
+  - { id: 27, class: _ }
+  - { id: 28, class: _ }
+  - { id: 29, class: _ }
 body: |
   bb.0.entry:
     liveins: %x0, %x1, %x2, %x3
@@ -101,4 +106,15 @@ body: |
     %22(64) = G_SITOFP { s64, s16 } %7
     %23(64) = G_UITOFP { s64, s32 } %4
     %24(64) = G_SITOFP { s64, s64 } %0
+
+    ; CHECK: %25(1) = G_SELECT { s1, s1 } %10, %10, %5
+    ; CHECK: %26(8) = G_SELECT { s8, s1 } %10, %6, %11
+    ; CHECK: %27(16) = G_SELECT { s16, s1 } %10, %12, %7
+    ; CHECK: %28(32) = G_SELECT { s32, s1 } %10, %15, %16
+    ; CHECK: %29(64) = G_SELECT { s64, s1 } %10, %9, %24
+    %25(1) = G_SELECT { s1, s1 } %10, %10, %5
+    %26(8) = G_SELECT { s8, s1 } %10, %6, %11
+    %27(16) = G_SELECT { s16, s1 } %10, %12, %7
+    %28(32) = G_SELECT { s32, s1 } %10, %15, %16
+    %29(64) = G_SELECT { s64, s1 } %10, %9, %24
 ...