[llvm] r205352 - [PowerPC] Add some missing VSX bitcast patterns

[Hal Finkel]

Author: hfinkel
Date: Tue Apr  1 14:24:27 2014
New Revision: 205352

URL: http://llvm.org/viewvc/llvm-project?rev=205352&view=rev
Log:
[PowerPC] Add some missing VSX bitcast patterns

Modified:
    llvm/trunk/lib/Target/PowerPC/PPCInstrVSX.td
    llvm/trunk/test/CodeGen/PowerPC/vsx.ll

Modified: llvm/trunk/lib/Target/PowerPC/PPCInstrVSX.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCInstrVSX.td?rev=205352&r1=205351&r2=205352&view=diff
==============================================================================
--- llvm/trunk/lib/Target/PowerPC/PPCInstrVSX.td (original)
+++ llvm/trunk/lib/Target/PowerPC/PPCInstrVSX.td Tue Apr  1 14:24:27 2014
@@ -758,6 +758,8 @@ def : Pat<(fma (fneg v4f32:$A), v4f32:$C
 def : Pat<(fma v4f32:$A, (fneg v4f32:$C), v4f32:$B),
           (XVNMSUBASP $B, $C, $A)>;
 
+def : Pat<(v2f64 (bitconvert v4f32:$A)),
+          (COPY_TO_REGCLASS $A, VSRC)>;
 def : Pat<(v2f64 (bitconvert v4i32:$A)),
           (COPY_TO_REGCLASS $A, VSRC)>;
 def : Pat<(v2f64 (bitconvert v8i16:$A)),
@@ -765,6 +767,8 @@ def : Pat<(v2f64 (bitconvert v8i16:$A)),
 def : Pat<(v2f64 (bitconvert v16i8:$A)),
           (COPY_TO_REGCLASS $A, VSRC)>;
 
+def : Pat<(v4f32 (bitconvert v2f64:$A)),
+          (COPY_TO_REGCLASS $A, VRRC)>;
 def : Pat<(v4i32 (bitconvert v2f64:$A)),
           (COPY_TO_REGCLASS $A, VRRC)>;
 def : Pat<(v8i16 (bitconvert v2f64:$A)),
@@ -772,6 +776,8 @@ def : Pat<(v8i16 (bitconvert v2f64:$A)),
 def : Pat<(v16i8 (bitconvert v2f64:$A)),
           (COPY_TO_REGCLASS $A, VRRC)>;
 
+def : Pat<(v2i64 (bitconvert v4f32:$A)),
+          (COPY_TO_REGCLASS $A, VSRC)>;
 def : Pat<(v2i64 (bitconvert v4i32:$A)),
           (COPY_TO_REGCLASS $A, VSRC)>;
 def : Pat<(v2i64 (bitconvert v8i16:$A)),
@@ -779,6 +785,8 @@ def : Pat<(v2i64 (bitconvert v8i16:$A)),
 def : Pat<(v2i64 (bitconvert v16i8:$A)),
           (COPY_TO_REGCLASS $A, VSRC)>;
 
+def : Pat<(v4f32 (bitconvert v2i64:$A)),
+          (COPY_TO_REGCLASS $A, VRRC)>;
 def : Pat<(v4i32 (bitconvert v2i64:$A)),
           (COPY_TO_REGCLASS $A, VRRC)>;
 def : Pat<(v8i16 (bitconvert v2i64:$A)),

Modified: llvm/trunk/test/CodeGen/PowerPC/vsx.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/PowerPC/vsx.ll?rev=205352&r1=205351&r2=205352&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/PowerPC/vsx.ll (original)
+++ llvm/trunk/test/CodeGen/PowerPC/vsx.ll Tue Apr  1 14:24:27 2014
@@ -641,3 +641,11 @@ define <2 x i32> @test80(i32 %v) {
 ; CHECK: blr
 }
 
+define <2 x double> @test81(<4 x float> %b) {
+  %w = bitcast <4 x float> %b to <2 x double>
+  ret <2 x double> %w
+
+; CHECK-LABEL: @test81
+; CHECK: blr
+}
+