From: Colin LeMahieu <colinl@codeaurora.org>
Date: Mon, 19 Jan 2015 18:56:19 +0000 (+0000)
Subject: [Hexagon] Converting intrinsics combine imm/imm, simple shifts and extends.
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fcd4569af67b19e04aec436dbd31ad158d6d1e72;p=platform%2Fupstream%2Fllvm.git

[Hexagon] Converting intrinsics combine imm/imm, simple shifts and extends.

llvm-svn: 226483
---

diff --git a/llvm/lib/Target/Hexagon/HexagonIntrinsics.td b/llvm/lib/Target/Hexagon/HexagonIntrinsics.td
index 2b1a812..787e743 100644
--- a/llvm/lib/Target/Hexagon/HexagonIntrinsics.td
+++ b/llvm/lib/Target/Hexagon/HexagonIntrinsics.td
@@ -21,6 +21,10 @@ class T_R_pat <InstHexagon MI, Intrinsic IntID>
   : Pat <(IntID I32:$Rs),
          (MI I32:$Rs)>;
 
+class T_II_pat <InstHexagon MI, Intrinsic IntID, PatFrag Imm1, PatFrag Imm2>
+  : Pat<(IntID Imm1:$Is, Imm2:$It),
+        (MI Imm1:$Is, Imm2:$It)>;
+
 class T_RI_pat <InstHexagon MI, Intrinsic IntID, PatLeaf ImmPred = PatLeaf<(i32 imm)>>
   : Pat<(IntID I32:$Rs, ImmPred:$It),
         (MI I32:$Rs, ImmPred:$It)>;
@@ -33,6 +37,18 @@ class T_RR_pat <InstHexagon MI, Intrinsic IntID>
   : Pat <(IntID I32:$Rs, I32:$Rt),
          (MI I32:$Rs, I32:$Rt)>;
 
+class T_QII_pat <InstHexagon MI, Intrinsic IntID, PatFrag Imm1, PatFrag Imm2>
+  : Pat <(IntID (i32 PredRegs:$Ps), Imm1:$Is, Imm2:$It),
+         (MI PredRegs:$Ps, Imm1:$Is, Imm2:$It)>;
+
+class T_QRI_pat <InstHexagon MI, Intrinsic IntID, PatFrag ImmPred>
+  : Pat <(IntID (i32 PredRegs:$Ps), I32:$Rs, ImmPred:$Is),
+         (MI PredRegs:$Ps, I32:$Rs, ImmPred:$Is)>;
+
+class T_QIR_pat <InstHexagon MI, Intrinsic IntID, PatFrag ImmPred>
+  : Pat <(IntID (i32 PredRegs:$Ps), ImmPred:$Is, I32:$Rs),
+         (MI PredRegs:$Ps, ImmPred:$Is, I32:$Rs)>;
+
 class T_RRR_pat <InstHexagon MI, Intrinsic IntID>
   : Pat <(IntID I32:$Rs, I32:$Rt, I32:$Ru),
          (MI I32:$Rs, I32:$Rt, I32:$Ru)>;
@@ -267,6 +283,32 @@ def : T_I_pat <A2_tfrsi, int_hexagon_A2_tfrsi>;
 def : Pat<(int_hexagon_A2_tfrp DoubleRegs:$src),
           (A2_combinew (HiReg DoubleRegs:$src), (LoReg DoubleRegs:$src))>;
 
+/********************************************************************
+*            ALU32/PERM                                             *
+*********************************************************************/
+// Combine
+def: T_RR_pat<A2_combine_hh, int_hexagon_A2_combine_hh>;
+def: T_RR_pat<A2_combine_hl, int_hexagon_A2_combine_hl>;
+def: T_RR_pat<A2_combine_lh, int_hexagon_A2_combine_lh>;
+def: T_RR_pat<A2_combine_ll, int_hexagon_A2_combine_ll>;
+
+def: T_II_pat<A2_combineii, int_hexagon_A2_combineii, s8ExtPred, s8ImmPred>;
+
+def: Pat<(i32 (int_hexagon_C2_mux (I32:$Rp), (I32:$Rs),
+                                                     (I32:$Rt))),
+         (i32 (C2_mux (C2_tfrrp IntRegs:$Rp), IntRegs:$Rs, IntRegs:$Rt))>;
+
+// Shift halfword
+def : T_R_pat<A2_aslh, int_hexagon_A2_aslh>;
+def : T_R_pat<A2_asrh, int_hexagon_A2_asrh>;
+def : T_R_pat<A2_asrh, int_hexagon_SI_to_SXTHI_asrh>;
+
+// Sign/zero extend
+def : T_R_pat<A2_sxth, int_hexagon_A2_sxth>;
+def : T_R_pat<A2_sxtb, int_hexagon_A2_sxtb>;
+def : T_R_pat<A2_zxth, int_hexagon_A2_zxth>;
+def : T_R_pat<A2_zxtb, int_hexagon_A2_zxtb>;
+
 //
 // ALU 32 types.
 //
diff --git a/llvm/test/CodeGen/Hexagon/intrinsics-alu32-2.ll b/llvm/test/CodeGen/Hexagon/intrinsics-alu32-2.ll
index 8da27ee..2d90031 100644
--- a/llvm/test/CodeGen/Hexagon/intrinsics-alu32-2.ll
+++ b/llvm/test/CodeGen/Hexagon/intrinsics-alu32-2.ll
@@ -127,6 +127,15 @@ entry:
   ret void
 }
 
+; CHECK: r{{[0-9]+}}:{{[0-9]+}}{{ *}}={{ *}}combine(##-1280{{ *}},{{ *}}#120)
+
+define void @test25(i32 %a) #0 {
+entry:
+  %0 = tail call i64 @llvm.hexagon.A2.combineii(i32 -1280, i32 120)
+  store i64 %0, i64* @c, align 4
+  ret void
+}
+
 declare i32 @llvm.hexagon.A2.add(i32, i32) #1
 declare i32 @llvm.hexagon.A2.sub(i32, i32) #1
 declare i32 @llvm.hexagon.A2.and(i32, i32) #1
@@ -139,3 +148,4 @@ declare i32 @llvm.hexagon.A2.orir(i32, i32) #1
 declare i32 @llvm.hexagon.A2.subri(i32, i32)
 declare i32 @llvm.hexagon.A2.tfril(i32, i32) #1
 declare i32 @llvm.hexagon.A2.tfrih(i32, i32) #1
+declare i64 @llvm.hexagon.A2.combineii(i32, i32) #1
diff --git a/llvm/test/CodeGen/Hexagon/intrinsics-alu32.ll b/llvm/test/CodeGen/Hexagon/intrinsics-alu32.ll
new file mode 100644
index 0000000..2218e26
--- /dev/null
+++ b/llvm/test/CodeGen/Hexagon/intrinsics-alu32.ll
@@ -0,0 +1,83 @@
+; RUN: llc -march=hexagon < %s | FileCheck %s
+
+; Verify that ALU32 - aslh, asrh, sxth, sxtb, zxth, zxtb  intrinsics
+; are lowered to the right instructions.
+
+@c = external global i64
+
+; CHECK: r{{[0-9]+}}{{ *}}={{ *}}aslh({{ *}}r{{[0-9]+}}{{ *}})
+define void @test1(i32 %a) #0 {
+entry:
+  %0 = tail call i32 @llvm.hexagon.A2.aslh(i32 %a)
+  %conv = sext i32 %0 to i64
+  store i64 %conv, i64* @c, align 8
+  ret void
+}
+
+declare i32 @llvm.hexagon.A2.aslh(i32) #1
+
+; CHECK: r{{[0-9]+}}{{ *}}={{ *}}asrh({{ *}}r{{[0-9]+}}{{ *}})
+define void @test2(i32 %a) #0 {
+entry:
+  %0 = tail call i32 @llvm.hexagon.A2.asrh(i32 %a)
+  %conv = sext i32 %0 to i64
+  store i64 %conv, i64* @c, align 8
+  ret void
+}
+
+declare i32 @llvm.hexagon.A2.asrh(i32) #1
+
+; CHECK: r{{[0-9]+}}{{ *}}={{ *}}sxtb({{ *}}r{{[0-9]+}}{{ *}})
+define void @test3(i32 %a) #0 {
+entry:
+  %0 = tail call i32 @llvm.hexagon.A2.sxtb(i32 %a)
+  %conv = sext i32 %0 to i64
+  store i64 %conv, i64* @c, align 8
+  ret void
+}
+
+declare i32 @llvm.hexagon.A2.sxtb(i32) #1
+
+; CHECK: r{{[0-9]+}}{{ *}}={{ *}}sxth({{ *}}r{{[0-9]+}}{{ *}})
+define void @test4(i32 %a) #0 {
+entry:
+  %0 = tail call i32 @llvm.hexagon.A2.sxth(i32 %a)
+  %conv = sext i32 %0 to i64
+  store i64 %conv, i64* @c, align 8
+  ret void
+}
+
+declare i32 @llvm.hexagon.A2.sxth(i32) #1
+
+; CHECK: r{{[0-9]+}}{{ *}}={{ *}}zxtb({{ *}}r{{[0-9]+}}{{ *}})
+define void @test6(i32 %a) #0 {
+entry:
+  %0 = tail call i32 @llvm.hexagon.A2.zxtb(i32 %a)
+  %conv = sext i32 %0 to i64
+  store i64 %conv, i64* @c, align 8
+  ret void
+}
+
+declare i32 @llvm.hexagon.A2.zxtb(i32) #1
+
+; CHECK: r{{[0-9]+}}{{ *}}={{ *}}zxth({{ *}}r{{[0-9]+}}{{ *}})
+define void @test7(i32 %a) #0 {
+entry:
+  %0 = tail call i32 @llvm.hexagon.A2.zxth(i32 %a)
+  %conv = sext i32 %0 to i64
+  store i64 %conv, i64* @c, align 8
+  ret void
+}
+
+declare i32 @llvm.hexagon.A2.zxth(i32) #1
+
+; CHECK: r{{[0-9]+}}{{ *}}={{ *}}asrh({{ *}}r{{[0-9]+}}{{ *}})
+define void @test8(i32 %a) #0 {
+entry:
+  %0 = tail call i32 @llvm.hexagon.SI.to.SXTHI.asrh(i32 %a)
+  %conv = sext i32 %0 to i64
+  store i64 %conv, i64* @c, align 8
+  ret void
+}
+
+declare i32 @llvm.hexagon.SI.to.SXTHI.asrh(i32) #1