[llvm-commits] [llvm] r140593 - in /llvm/trunk: lib/Target/PTX/PTXInstrInfo.td test/CodeGen/PTX/20110926-sitofp.ll test/CodeGen/PTX/cvt.ll

[Justin Holewinski]

Author: jholewinski
Date: Mon Sep 26 20:04:47 2011
New Revision: 140593

URL: http://llvm.org/viewvc/llvm-project?rev=140593&view=rev
Log:
PTX: Add support for sitofp in backend

Added:
    llvm/trunk/test/CodeGen/PTX/20110926-sitofp.ll
Modified:
    llvm/trunk/lib/Target/PTX/PTXInstrInfo.td
    llvm/trunk/test/CodeGen/PTX/cvt.ll

Modified: llvm/trunk/lib/Target/PTX/PTXInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PTX/PTXInstrInfo.td?rev=140593&r1=140592&r2=140593&view=diff
==============================================================================
--- llvm/trunk/lib/Target/PTX/PTXInstrInfo.td (original)
+++ llvm/trunk/lib/Target/PTX/PTXInstrInfo.td Mon Sep 26 20:04:47 2011
@@ -826,6 +826,19 @@
   : InstPTX<(outs RegF32:$d), (ins RegF64:$a), "cvt.rn.f32.f64\t$d, $a",
             [(set RegF32:$d, (fround RegF64:$a))]>;
 
+def CVT_f32_s16
+  : InstPTX<(outs RegF32:$d), (ins RegI16:$a), "cvt.rn.f32.s16\t$d, $a",
+            [(set RegF32:$d, (sint_to_fp RegI16:$a))]>;
+
+def CVT_f32_s32
+  : InstPTX<(outs RegF32:$d), (ins RegI32:$a), "cvt.rn.f32.s32\t$d, $a",
+            [(set RegF32:$d, (sint_to_fp RegI32:$a))]>;
+
+def CVT_f32_s64
+  : InstPTX<(outs RegF32:$d), (ins RegI64:$a), "cvt.rn.f32.s64\t$d, $a",
+            [(set RegF32:$d, (sint_to_fp RegI64:$a))]>;
+
+
 // Conversion to f64
 
 def CVT_f64_pred
@@ -849,6 +862,18 @@
   : InstPTX<(outs RegF64:$d), (ins RegF32:$a), "cvt.f64.f32\t$d, $a",
             [(set RegF64:$d, (fextend RegF32:$a))]>;
 
+def CVT_f64_s16
+  : InstPTX<(outs RegF64:$d), (ins RegI16:$a), "cvt.rn.f64.s16\t$d, $a",
+            [(set RegF64:$d, (sint_to_fp RegI16:$a))]>;
+
+def CVT_f64_s32
+  : InstPTX<(outs RegF64:$d), (ins RegI32:$a), "cvt.rn.f64.s32\t$d, $a",
+            [(set RegF64:$d, (sint_to_fp RegI32:$a))]>;
+
+def CVT_f64_s64
+  : InstPTX<(outs RegF64:$d), (ins RegI64:$a), "cvt.rn.f64.s64\t$d, $a",
+            [(set RegF64:$d, (sint_to_fp RegI64:$a))]>;
+
 // NOTE: These are temporarily here to help test some Clang-generated code.
 // We really need to properly introduce anyext and bitconvert into the back-end.
 // ANY_EXTEND

Added: llvm/trunk/test/CodeGen/PTX/20110926-sitofp.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/PTX/20110926-sitofp.ll?rev=140593&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/PTX/20110926-sitofp.ll (added)
+++ llvm/trunk/test/CodeGen/PTX/20110926-sitofp.ll Mon Sep 26 20:04:47 2011
@@ -0,0 +1,24 @@
+; RUN: llc < %s -march=ptx32 | FileCheck %s
+
+ at A = common global [1536 x [1536 x float]] zeroinitializer, align 4
+ at B = common global [1536 x [1536 x float]] zeroinitializer, align 4
+
+define internal ptx_device void @init_array(i32 %x, i32 %y) {
+  %arrayidx103 = getelementptr [1536 x [1536 x float]]* @A, i32 0, i32 %x, i32 %y
+  %arrayidx224 = getelementptr [1536 x [1536 x float]]* @B, i32 0, i32 %x, i32 %y
+  %mul5 = mul i32 %x, %y
+  %rem = srem i32 %mul5, 1024
+  %add = add nsw i32 %rem, 1
+; CHECK: cvt.rn.f64.s32 %fd{{[0-9]+}}, %r{{[0-9]+}}
+  %conv = sitofp i32 %add to double
+  %div = fmul double %conv, 5.000000e-01
+  %conv7 = fptrunc double %div to float
+  store float %conv7, float* %arrayidx103, align 4
+  %rem14 = srem i32 %mul5, 1024
+  %add15 = add nsw i32 %rem14, 1
+  %conv16 = sitofp i32 %add15 to double
+  %div17 = fmul double %conv16, 5.000000e-01
+  %conv18 = fptrunc double %div17 to float
+  store float %conv18, float* %arrayidx224, align 4
+  ret void
+}

Modified: llvm/trunk/test/CodeGen/PTX/cvt.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/PTX/cvt.ll?rev=140593&r1=140592&r2=140593&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/PTX/cvt.ll (original)
+++ llvm/trunk/test/CodeGen/PTX/cvt.ll Mon Sep 26 20:04:47 2011
@@ -206,6 +206,27 @@
 	ret float %a
 }
 
+define ptx_device float @cvt_f32_s16(i16 %x) {
+; CHECK: cvt.rn.f32.s16 %ret{{[0-9]+}}, %rh{{[0-9]+}}
+; CHECK: ret
+  %a = sitofp i16 %x to float
+  ret float %a
+}
+
+define ptx_device float @cvt_f32_s32(i32 %x) {
+; CHECK: cvt.rn.f32.s32 %ret{{[0-9]+}}, %r{{[0-9]+}}
+; CHECK: ret
+  %a = sitofp i32 %x to float
+  ret float %a
+}
+
+define ptx_device float @cvt_f32_s64(i64 %x) {
+; CHECK: cvt.rn.f32.s64 %ret{{[0-9]+}}, %rd{{[0-9]+}}
+; CHECK: ret
+  %a = sitofp i64 %x to float
+  ret float %a
+}
+
 ; f64
 
 define ptx_device double @cvt_f64_preds(i1 %x) {
@@ -242,3 +263,24 @@
 	%a = fpext float %x to double
 	ret double %a
 }
+
+define ptx_device double @cvt_f64_s16(i16 %x) {
+; CHECK: cvt.rn.f64.s16 %ret{{[0-9]+}}, %rh{{[0-9]+}}
+; CHECK: ret
+  %a = sitofp i16 %x to double
+  ret double %a
+}
+
+define ptx_device double @cvt_f64_s32(i32 %x) {
+; CHECK: cvt.rn.f64.s32 %ret{{[0-9]+}}, %r{{[0-9]+}}
+; CHECK: ret
+  %a = sitofp i32 %x to double
+  ret double %a
+}
+
+define ptx_device double @cvt_f64_s64(i64 %x) {
+; CHECK: cvt.rn.f64.s64 %ret{{[0-9]+}}, %rd{{[0-9]+}}
+; CHECK: ret
+  %a = sitofp i64 %x to double
+  ret double %a
+}