[llvm] r279839 - GlobalISel: mark float/int conversions legal

[Tim Northover via llvm-commits]

Author: tnorthover
Date: Fri Aug 26 12:45:58 2016
New Revision: 279839

URL: http://llvm.org/viewvc/llvm-project?rev=279839&view=rev
Log:
GlobalISel: mark float/int conversions 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=279839&r1=279838&r2=279839&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AArch64/AArch64MachineLegalizer.cpp (original)
+++ llvm/trunk/lib/Target/AArch64/AArch64MachineLegalizer.cpp Fri Aug 26 12:45:58 2016
@@ -120,6 +120,20 @@ AArch64MachineLegalizer::AArch64MachineL
   for (auto Ty : { s8, s16, s32, s64 })
     setAction({G_TRUNC, 1, Ty}, Legal);
 
+  // Conversions
+  for (auto Ty : { s1, s8, s16, s32, s64 }) {
+    setAction({G_FPTOSI, 0, Ty}, Legal);
+    setAction({G_FPTOUI, 0, Ty}, Legal);
+    setAction({G_SITOFP, 1, Ty}, Legal);
+    setAction({G_UITOFP, 1, Ty}, Legal);
+  }
+
+  for (auto Ty : { s32, s64 }) {
+    setAction({G_FPTOSI, 1, Ty}, Legal);
+    setAction({G_FPTOUI, 1, Ty}, Legal);
+    setAction({G_SITOFP, 0, Ty}, Legal);
+    setAction({G_UITOFP, 0, Ty}, Legal);
+  }
 
   // Control-flow
   setAction({G_BR, LLT::unsized()}, 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=279839&r1=279838&r2=279839&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AArch64/GlobalISel/legalize-simple.mir (original)
+++ llvm/trunk/test/CodeGen/AArch64/GlobalISel/legalize-simple.mir Fri Aug 26 12:45:58 2016
@@ -18,6 +18,27 @@ registers:
   - { id: 1, class: _ }
   - { id: 2, class: _ }
   - { id: 3, class: _ }
+  - { id: 4, class: _ }
+  - { id: 5, class: _ }
+  - { id: 6, class: _ }
+  - { id: 7, class: _ }
+  - { id: 8, class: _ }
+  - { id: 9, class: _ }
+  - { id: 10, class: _ }
+  - { id: 11, class: _ }
+  - { id: 12, class: _ }
+  - { id: 13, class: _ }
+  - { id: 14, class: _ }
+  - { id: 15, class: _ }
+  - { id: 16, class: _ }
+  - { id: 17, class: _ }
+  - { id: 18, class: _ }
+  - { id: 19, class: _ }
+  - { id: 20, class: _ }
+  - { id: 21, class: _ }
+  - { id: 22, class: _ }
+  - { id: 23, class: _ }
+  - { id: 24, class: _ }
 body: |
   bb.0.entry:
     liveins: %x0, %x1, %x2, %x3
@@ -35,4 +56,49 @@ body: |
     G_BRCOND s1 %3, %bb.1.next
 
   bb.1.next:
+    %4(32) = G_TRUNC { s32, s64 } %0
+
+    ; CHECK: %5(1) = G_FPTOSI { s1, s32 } %4
+    ; CHECK: %6(8) = G_FPTOUI { s8, s32 } %4
+    ; CHECK: %7(16) = G_FPTOSI { s16, s32 } %4
+    ; CHECK: %8(32) = G_FPTOUI { s32, s32 } %4
+    ; CHECK: %9(64) = G_FPTOSI { s64, s32 } %4
+    %5(1) = G_FPTOSI { s1, s32 } %4
+    %6(8) = G_FPTOUI { s8, s32 } %4
+    %7(16) = G_FPTOSI { s16, s32 } %4
+    %8(32) = G_FPTOUI { s32, s32 } %4
+    %9(64) = G_FPTOSI { s64, s32 } %4
+
+    ; CHECK: %10(1) = G_FPTOUI { s1, s64 } %0
+    ; CHECK: %11(8) = G_FPTOSI { s8, s64 } %0
+    ; CHECK: %12(16) = G_FPTOUI { s16, s64 } %0
+    ; CHECK: %13(32) = G_FPTOSI { s32, s64 } %0
+    ; CHECK: %14(32) = G_FPTOUI { s64, s64 } %0
+    %10(1) = G_FPTOUI { s1, s64 } %0
+    %11(8) = G_FPTOSI { s8, s64 } %0
+    %12(16) = G_FPTOUI { s16, s64 } %0
+    %13(32) = G_FPTOSI { s32, s64 } %0
+    %14(32) = G_FPTOUI { s64, s64 } %0
+
+    ; CHECK: %15(32) = G_UITOFP { s32, s1 } %5
+    ; CHECK: %16(32) = G_SITOFP { s32, s8 } %11
+    ; CHECK: %17(32) = G_UITOFP { s32, s16 } %7
+    ; CHECK: %18(32) = G_SITOFP { s32, s32 } %4
+    ; CHECK: %19(32) = G_UITOFP { s32, s64 } %0
+    %15(32) = G_UITOFP { s32, s1 } %5
+    %16(32) = G_SITOFP { s32, s8 } %11
+    %17(32) = G_UITOFP { s32, s16 } %7
+    %18(32) = G_SITOFP { s32, s32 } %4
+    %19(32) = G_UITOFP { s32, s64 } %0
+
+    ; CHECK: %20(64) = G_SITOFP { s64, s1 } %5
+    ; CHECK: %21(64) = G_UITOFP { s64, s8 } %11
+    ; CHECK: %22(64) = G_SITOFP { s64, s16 } %7
+    ; CHECK: %23(64) = G_UITOFP { s64, s32 } %4
+    ; CHECK: %24(64) = G_SITOFP { s64, s64 } %0
+    %20(64) = G_SITOFP { s64, s1 } %5
+    %21(64) = G_UITOFP { s64, s8 } %11
+    %22(64) = G_SITOFP { s64, s16 } %7
+    %23(64) = G_UITOFP { s64, s32 } %4
+    %24(64) = G_SITOFP { s64, s64 } %0
 ...