[llvm] 88af539 - [RISCV] Support VP_REDUCE_MUL mask operation

Ben Shi via llvm-commits llvm-commits at lists.llvm.org
Sun May 29 20:06:03 PDT 2022


Author: Ping Deng
Date: 2022-05-30T03:05:39Z
New Revision: 88af539c0eaa5a282e6c1632797d33dfc0ebcb65

URL: https://github.com/llvm/llvm-project/commit/88af539c0eaa5a282e6c1632797d33dfc0ebcb65
DIFF: https://github.com/llvm/llvm-project/commit/88af539c0eaa5a282e6c1632797d33dfc0ebcb65.diff

LOG: [RISCV] Support VP_REDUCE_MUL mask operation

Reviewed By: reames

Differential Revision: https://reviews.llvm.org/D126520

Added: 
    

Modified: 
    llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
    llvm/test/CodeGen/RISCV/rvv/fixed-vectors-reduction-mask-vp.ll
    llvm/test/CodeGen/RISCV/rvv/vreductions-mask-vp.ll

Removed: 
    


################################################################################
diff  --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 09c9d4179ae1..755ae2ac2361 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -8864,6 +8864,11 @@ SDValue SelectionDAG::getNode(unsigned Opcode, const SDLoc &DL, EVT VT,
     if (VT.isVector() && VT.getVectorElementType() == MVT::i1)
       Opcode = ISD::VP_AND;
     break;
+  case ISD::VP_REDUCE_MUL:
+    // If it is VP_REDUCE_MUL mask operation then turn it to VP_REDUCE_AND
+    if (VT == MVT::i1)
+      Opcode = ISD::VP_REDUCE_AND;
+    break;
   case ISD::VP_REDUCE_ADD:
     // If it is VP_REDUCE_ADD mask operation then turn it to VP_REDUCE_XOR
     if (VT == MVT::i1)

diff  --git a/llvm/test/CodeGen/RISCV/rvv/fixed-vectors-reduction-mask-vp.ll b/llvm/test/CodeGen/RISCV/rvv/fixed-vectors-reduction-mask-vp.ll
index 547799ddbda5..c9265477dba4 100644
--- a/llvm/test/CodeGen/RISCV/rvv/fixed-vectors-reduction-mask-vp.ll
+++ b/llvm/test/CodeGen/RISCV/rvv/fixed-vectors-reduction-mask-vp.ll
@@ -890,3 +890,121 @@ define signext i1 @vpreduce_umin_nxv64i1(i1 signext %s, <64 x i1> %v, <64 x i1>
   %r = call i1 @llvm.vp.reduce.umin.nxv64i1(i1 %s, <64 x i1> %v, <64 x i1> %m, i32 %evl)
   ret i1 %r
 }
+
+declare i1 @llvm.vp.reduce.mul.v1i1(i1, <1 x i1>, <1 x i1>, i32)
+
+define i1 @vpreduce_mul_v1i1(i1 %s, <1 x i1> %v, <1 x i1> %m, i32 zeroext %evl) {
+; CHECK-LABEL: vpreduce_mul_v1i1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli zero, a1, e8, mf8, ta, mu
+; CHECK-NEXT:    vmnot.m v9, v0
+; CHECK-NEXT:    vmv1r.v v0, v8
+; CHECK-NEXT:    vcpop.m a1, v9, v0.t
+; CHECK-NEXT:    seqz a1, a1
+; CHECK-NEXT:    and a0, a1, a0
+; CHECK-NEXT:    ret
+  %r = call i1 @llvm.vp.reduce.mul.v1i1(i1 %s, <1 x i1> %v, <1 x i1> %m, i32 %evl)
+  ret i1 %r
+}
+
+declare i1 @llvm.vp.reduce.mul.v2i1(i1, <2 x i1>, <2 x i1>, i32)
+
+define signext i1 @vpreduce_mul_v2i1(i1 signext %s, <2 x i1> %v, <2 x i1> %m, i32 zeroext %evl) {
+; CHECK-LABEL: vpreduce_mul_v2i1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli zero, a1, e8, mf8, ta, mu
+; CHECK-NEXT:    vmnot.m v9, v0
+; CHECK-NEXT:    vmv1r.v v0, v8
+; CHECK-NEXT:    vcpop.m a1, v9, v0.t
+; CHECK-NEXT:    seqz a1, a1
+; CHECK-NEXT:    and a0, a1, a0
+; CHECK-NEXT:    neg a0, a0
+; CHECK-NEXT:    ret
+  %r = call i1 @llvm.vp.reduce.mul.v2i1(i1 %s, <2 x i1> %v, <2 x i1> %m, i32 %evl)
+  ret i1 %r
+}
+
+declare i1 @llvm.vp.reduce.mul.v4i1(i1, <4 x i1>, <4 x i1>, i32)
+
+define signext i1 @vpreduce_mul_v4i1(i1 signext %s, <4 x i1> %v, <4 x i1> %m, i32 zeroext %evl) {
+; CHECK-LABEL: vpreduce_mul_v4i1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli zero, a1, e8, mf4, ta, mu
+; CHECK-NEXT:    vmnot.m v9, v0
+; CHECK-NEXT:    vmv1r.v v0, v8
+; CHECK-NEXT:    vcpop.m a1, v9, v0.t
+; CHECK-NEXT:    seqz a1, a1
+; CHECK-NEXT:    and a0, a1, a0
+; CHECK-NEXT:    neg a0, a0
+; CHECK-NEXT:    ret
+  %r = call i1 @llvm.vp.reduce.mul.v4i1(i1 %s, <4 x i1> %v, <4 x i1> %m, i32 %evl)
+  ret i1 %r
+}
+
+declare i1 @llvm.vp.reduce.mul.v8i1(i1, <8 x i1>, <8 x i1>, i32)
+
+define signext i1 @vpreduce_mul_v8i1(i1 signext %s, <8 x i1> %v, <8 x i1> %m, i32 zeroext %evl) {
+; CHECK-LABEL: vpreduce_mul_v8i1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli zero, a1, e8, mf2, ta, mu
+; CHECK-NEXT:    vmnot.m v9, v0
+; CHECK-NEXT:    vmv1r.v v0, v8
+; CHECK-NEXT:    vcpop.m a1, v9, v0.t
+; CHECK-NEXT:    seqz a1, a1
+; CHECK-NEXT:    and a0, a1, a0
+; CHECK-NEXT:    neg a0, a0
+; CHECK-NEXT:    ret
+  %r = call i1 @llvm.vp.reduce.mul.v8i1(i1 %s, <8 x i1> %v, <8 x i1> %m, i32 %evl)
+  ret i1 %r
+}
+
+declare i1 @llvm.vp.reduce.mul.v16i1(i1, <16 x i1>, <16 x i1>, i32)
+
+define signext i1 @vpreduce_mul_v16i1(i1 signext %s, <16 x i1> %v, <16 x i1> %m, i32 zeroext %evl) {
+; CHECK-LABEL: vpreduce_mul_v16i1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli zero, a1, e8, m1, ta, mu
+; CHECK-NEXT:    vmnot.m v9, v0
+; CHECK-NEXT:    vmv1r.v v0, v8
+; CHECK-NEXT:    vcpop.m a1, v9, v0.t
+; CHECK-NEXT:    seqz a1, a1
+; CHECK-NEXT:    and a0, a1, a0
+; CHECK-NEXT:    neg a0, a0
+; CHECK-NEXT:    ret
+  %r = call i1 @llvm.vp.reduce.mul.v16i1(i1 %s, <16 x i1> %v, <16 x i1> %m, i32 %evl)
+  ret i1 %r
+}
+
+declare i1 @llvm.vp.reduce.mul.v32i1(i1, <32 x i1>, <32 x i1>, i32)
+
+define signext i1 @vpreduce_mul_v32i1(i1 signext %s, <32 x i1> %v, <32 x i1> %m, i32 zeroext %evl) {
+; CHECK-LABEL: vpreduce_mul_v32i1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli zero, a1, e8, m2, ta, mu
+; CHECK-NEXT:    vmnot.m v9, v0
+; CHECK-NEXT:    vmv1r.v v0, v8
+; CHECK-NEXT:    vcpop.m a1, v9, v0.t
+; CHECK-NEXT:    seqz a1, a1
+; CHECK-NEXT:    and a0, a1, a0
+; CHECK-NEXT:    neg a0, a0
+; CHECK-NEXT:    ret
+  %r = call i1 @llvm.vp.reduce.mul.v32i1(i1 %s, <32 x i1> %v, <32 x i1> %m, i32 %evl)
+  ret i1 %r
+}
+
+declare i1 @llvm.vp.reduce.mul.v64i1(i1, <64 x i1>, <64 x i1>, i32)
+
+define signext i1 @vpreduce_mul_v64i1(i1 signext %s, <64 x i1> %v, <64 x i1> %m, i32 zeroext %evl) {
+; CHECK-LABEL: vpreduce_mul_v64i1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli zero, a1, e8, m4, ta, mu
+; CHECK-NEXT:    vmnot.m v9, v0
+; CHECK-NEXT:    vmv1r.v v0, v8
+; CHECK-NEXT:    vcpop.m a1, v9, v0.t
+; CHECK-NEXT:    seqz a1, a1
+; CHECK-NEXT:    and a0, a1, a0
+; CHECK-NEXT:    neg a0, a0
+; CHECK-NEXT:    ret
+  %r = call i1 @llvm.vp.reduce.mul.v64i1(i1 %s, <64 x i1> %v, <64 x i1> %m, i32 %evl)
+  ret i1 %r
+}

diff  --git a/llvm/test/CodeGen/RISCV/rvv/vreductions-mask-vp.ll b/llvm/test/CodeGen/RISCV/rvv/vreductions-mask-vp.ll
index 9b4464000b12..850990ffd7fd 100644
--- a/llvm/test/CodeGen/RISCV/rvv/vreductions-mask-vp.ll
+++ b/llvm/test/CodeGen/RISCV/rvv/vreductions-mask-vp.ll
@@ -1029,3 +1029,122 @@ define signext i1 @vpreduce_umin_nxv64i1(i1 signext %s, <vscale x 64 x i1> %v, <
   %r = call i1 @llvm.vp.reduce.umin.nxv64i1(i1 %s, <vscale x 64 x i1> %v, <vscale x 64 x i1> %m, i32 %evl)
   ret i1 %r
 }
+
+declare i1 @llvm.vp.reduce.mul.nxv1i1(i1, <vscale x 1 x i1>, <vscale x 1 x i1>, i32)
+
+define signext i1 @vpreduce_mul_nxv1i1(i1 signext %s, <vscale x 1 x i1> %v, <vscale x 1 x i1> %m, i32 zeroext %evl) {
+; CHECK-LABEL: vpreduce_mul_nxv1i1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli zero, a1, e8, mf8, ta, mu
+; CHECK-NEXT:    vmnot.m v9, v0
+; CHECK-NEXT:    vmv1r.v v0, v8
+; CHECK-NEXT:    vcpop.m a1, v9, v0.t
+; CHECK-NEXT:    seqz a1, a1
+; CHECK-NEXT:    and a0, a1, a0
+; CHECK-NEXT:    neg a0, a0
+; CHECK-NEXT:    ret
+  %r = call i1 @llvm.vp.reduce.mul.nxv1i1(i1 %s, <vscale x 1 x i1> %v, <vscale x 1 x i1> %m, i32 %evl)
+  ret i1 %r
+}
+
+declare i1 @llvm.vp.reduce.mul.nxv2i1(i1, <vscale x 2 x i1>, <vscale x 2 x i1>, i32)
+
+define signext i1 @vpreduce_mul_nxv2i1(i1 signext %s, <vscale x 2 x i1> %v, <vscale x 2 x i1> %m, i32 zeroext %evl) {
+; CHECK-LABEL: vpreduce_mul_nxv2i1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli zero, a1, e8, mf4, ta, mu
+; CHECK-NEXT:    vmnot.m v9, v0
+; CHECK-NEXT:    vmv1r.v v0, v8
+; CHECK-NEXT:    vcpop.m a1, v9, v0.t
+; CHECK-NEXT:    seqz a1, a1
+; CHECK-NEXT:    and a0, a1, a0
+; CHECK-NEXT:    neg a0, a0
+; CHECK-NEXT:    ret
+  %r = call i1 @llvm.vp.reduce.mul.nxv2i1(i1 %s, <vscale x 2 x i1> %v, <vscale x 2 x i1> %m, i32 %evl)
+  ret i1 %r
+}
+
+declare i1 @llvm.vp.reduce.mul.nxv4i1(i1, <vscale x 4 x i1>, <vscale x 4 x i1>, i32)
+
+define signext i1 @vpreduce_mul_nxv4i1(i1 signext %s, <vscale x 4 x i1> %v, <vscale x 4 x i1> %m, i32 zeroext %evl) {
+; CHECK-LABEL: vpreduce_mul_nxv4i1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli zero, a1, e8, mf2, ta, mu
+; CHECK-NEXT:    vmnot.m v9, v0
+; CHECK-NEXT:    vmv1r.v v0, v8
+; CHECK-NEXT:    vcpop.m a1, v9, v0.t
+; CHECK-NEXT:    seqz a1, a1
+; CHECK-NEXT:    and a0, a1, a0
+; CHECK-NEXT:    neg a0, a0
+; CHECK-NEXT:    ret
+  %r = call i1 @llvm.vp.reduce.mul.nxv4i1(i1 %s, <vscale x 4 x i1> %v, <vscale x 4 x i1> %m, i32 %evl)
+  ret i1 %r
+}
+
+declare i1 @llvm.vp.reduce.mul.nxv8i1(i1, <vscale x 8 x i1>, <vscale x 8 x i1>, i32)
+
+define signext i1 @vpreduce_mul_nxv8i1(i1 signext %s, <vscale x 8 x i1> %v, <vscale x 8 x i1> %m, i32 zeroext %evl) {
+; CHECK-LABEL: vpreduce_mul_nxv8i1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli zero, a1, e8, m1, ta, mu
+; CHECK-NEXT:    vmnot.m v9, v0
+; CHECK-NEXT:    vmv1r.v v0, v8
+; CHECK-NEXT:    vcpop.m a1, v9, v0.t
+; CHECK-NEXT:    seqz a1, a1
+; CHECK-NEXT:    and a0, a1, a0
+; CHECK-NEXT:    neg a0, a0
+; CHECK-NEXT:    ret
+  %r = call i1 @llvm.vp.reduce.mul.nxv8i1(i1 %s, <vscale x 8 x i1> %v, <vscale x 8 x i1> %m, i32 %evl)
+  ret i1 %r
+}
+
+declare i1 @llvm.vp.reduce.mul.nxv16i1(i1, <vscale x 16 x i1>, <vscale x 16 x i1>, i32)
+
+define signext i1 @vpreduce_mul_nxv16i1(i1 signext %s, <vscale x 16 x i1> %v, <vscale x 16 x i1> %m, i32 zeroext %evl) {
+; CHECK-LABEL: vpreduce_mul_nxv16i1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli zero, a1, e8, m2, ta, mu
+; CHECK-NEXT:    vmnot.m v9, v0
+; CHECK-NEXT:    vmv1r.v v0, v8
+; CHECK-NEXT:    vcpop.m a1, v9, v0.t
+; CHECK-NEXT:    seqz a1, a1
+; CHECK-NEXT:    and a0, a1, a0
+; CHECK-NEXT:    neg a0, a0
+; CHECK-NEXT:    ret
+  %r = call i1 @llvm.vp.reduce.mul.nxv16i1(i1 %s, <vscale x 16 x i1> %v, <vscale x 16 x i1> %m, i32 %evl)
+  ret i1 %r
+}
+
+declare i1 @llvm.vp.reduce.mul.nxv32i1(i1, <vscale x 32 x i1>, <vscale x 32 x i1>, i32)
+
+define signext i1 @vpreduce_mul_nxv32i1(i1 signext %s, <vscale x 32 x i1> %v, <vscale x 32 x i1> %m, i32 zeroext %evl) {
+; CHECK-LABEL: vpreduce_mul_nxv32i1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli zero, a1, e8, m4, ta, mu
+; CHECK-NEXT:    vmnot.m v9, v0
+; CHECK-NEXT:    vmv1r.v v0, v8
+; CHECK-NEXT:    vcpop.m a1, v9, v0.t
+; CHECK-NEXT:    seqz a1, a1
+; CHECK-NEXT:    and a0, a1, a0
+; CHECK-NEXT:    neg a0, a0
+; CHECK-NEXT:    ret
+  %r = call i1 @llvm.vp.reduce.mul.nxv32i1(i1 %s, <vscale x 32 x i1> %v, <vscale x 32 x i1> %m, i32 %evl)
+  ret i1 %r
+}
+
+declare i1 @llvm.vp.reduce.mul.nxv64i1(i1, <vscale x 64 x i1>, <vscale x 64 x i1>, i32)
+
+define signext i1 @vpreduce_mul_nxv64i1(i1 signext %s, <vscale x 64 x i1> %v, <vscale x 64 x i1> %m, i32 zeroext %evl) {
+; CHECK-LABEL: vpreduce_mul_nxv64i1:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli zero, a1, e8, m8, ta, mu
+; CHECK-NEXT:    vmnot.m v9, v0
+; CHECK-NEXT:    vmv1r.v v0, v8
+; CHECK-NEXT:    vcpop.m a1, v9, v0.t
+; CHECK-NEXT:    seqz a1, a1
+; CHECK-NEXT:    and a0, a1, a0
+; CHECK-NEXT:    neg a0, a0
+; CHECK-NEXT:    ret
+  %r = call i1 @llvm.vp.reduce.mul.nxv64i1(i1 %s, <vscale x 64 x i1> %v, <vscale x 64 x i1> %m, i32 %evl)
+  ret i1 %r
+}


        


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