[llvm] c7367f9 - [LoongArch] Fix incorrect pattern XVREPL128VEI_{W/D} instructions

[via llvm-commits]

Author: wanglei
Date: 2023-12-29T14:03:53+08:00
New Revision: c7367f985e0d27aeb8bc993406d1b9f4ca307399

URL: https://github.com/llvm/llvm-project/commit/c7367f985e0d27aeb8bc993406d1b9f4ca307399
DIFF: https://github.com/llvm/llvm-project/commit/c7367f985e0d27aeb8bc993406d1b9f4ca307399.diff

LOG: [LoongArch] Fix incorrect pattern XVREPL128VEI_{W/D} instructions

Remove the incorrect patterns for `XVREPL128VEI_{W/D}` instructions,
and add correct patterns for XVREPLVE0_{W/D} instructions

Added: 
    

Modified: 
    llvm/lib/Target/LoongArch/LoongArchLASXInstrInfo.td
    llvm/test/CodeGen/LoongArch/lasx/build-vector.ll

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/LoongArch/LoongArchLASXInstrInfo.td b/llvm/lib/Target/LoongArch/LoongArchLASXInstrInfo.td
index 9b7a346888112e..059689cef84083 100644
--- a/llvm/lib/Target/LoongArch/LoongArchLASXInstrInfo.td
+++ b/llvm/lib/Target/LoongArch/LoongArchLASXInstrInfo.td
@@ -1571,11 +1571,11 @@ def : Pat<(loongarch_vreplve v8i32:$xj, GRLenVT:$rk),
 def : Pat<(loongarch_vreplve v4i64:$xj, GRLenVT:$rk),
           (XVREPLVE_D v4i64:$xj, GRLenVT:$rk)>;
 
-// XVREPL128VEI_{W/D}
+// XVREPLVE0_{W/D}
 def : Pat<(lasxsplatf32 FPR32:$fj),
-          (XVREPL128VEI_W (SUBREG_TO_REG (i64 0), FPR32:$fj, sub_32), 0)>;
+          (XVREPLVE0_W (SUBREG_TO_REG (i64 0), FPR32:$fj, sub_32))>;
 def : Pat<(lasxsplatf64 FPR64:$fj),
-          (XVREPL128VEI_D (SUBREG_TO_REG (i64 0), FPR64:$fj, sub_64), 0)>;
+          (XVREPLVE0_D (SUBREG_TO_REG (i64 0), FPR64:$fj, sub_64))>;
 
 // Loads/Stores
 foreach vt = [v32i8, v16i16, v8i32, v4i64, v8f32, v4f64] in {

diff  --git a/llvm/test/CodeGen/LoongArch/lasx/build-vector.ll b/llvm/test/CodeGen/LoongArch/lasx/build-vector.ll
index 6824ab5cda8d9d..ae6f31aaec6434 100644
--- a/llvm/test/CodeGen/LoongArch/lasx/build-vector.ll
+++ b/llvm/test/CodeGen/LoongArch/lasx/build-vector.ll
@@ -57,7 +57,7 @@ define void @buildvector_v8f32_splat(ptr %dst, float %a0) nounwind {
 ; CHECK-LABEL: buildvector_v8f32_splat:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    # kill: def $f0 killed $f0 def $xr0
-; CHECK-NEXT:    xvrepl128vei.w $xr0, $xr0, 0
+; CHECK-NEXT:    xvreplve0.w $xr0, $xr0
 ; CHECK-NEXT:    xvst $xr0, $a0, 0
 ; CHECK-NEXT:    ret
 entry:
@@ -71,7 +71,7 @@ define void @buildvector_v4f64_splat(ptr %dst, double %a0) nounwind {
 ; CHECK-LABEL: buildvector_v4f64_splat:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    # kill: def $f0_64 killed $f0_64 def $xr0
-; CHECK-NEXT:    xvrepl128vei.d $xr0, $xr0, 0
+; CHECK-NEXT:    xvreplve0.d $xr0, $xr0
 ; CHECK-NEXT:    xvst $xr0, $a0, 0
 ; CHECK-NEXT:    ret
 entry: