[llvm] a4c828a - [AArch64] Precommit tests to check more ld1r vector splat patterns in D145004.

Sjoerd Meijer via llvm-commits llvm-commits at lists.llvm.org
Wed Mar 1 02:48:32 PST 2023


Author: Sjoerd Meijer
Date: 2023-03-01T10:48:13Z
New Revision: a4c828a9e2b08c3606046aff30ebeecb558f226f

URL: https://github.com/llvm/llvm-project/commit/a4c828a9e2b08c3606046aff30ebeecb558f226f
DIFF: https://github.com/llvm/llvm-project/commit/a4c828a9e2b08c3606046aff30ebeecb558f226f.diff

LOG: [AArch64] Precommit tests to check more ld1r vector splat patterns in D145004.

Added: 
    llvm/test/CodeGen/AArch64/neon-vector-splat.ll

Modified: 
    

Removed: 
    


################################################################################
diff  --git a/llvm/test/CodeGen/AArch64/neon-vector-splat.ll b/llvm/test/CodeGen/AArch64/neon-vector-splat.ll
new file mode 100644
index 000000000000..6e6b9bdb145f
--- /dev/null
+++ b/llvm/test/CodeGen/AArch64/neon-vector-splat.ll
@@ -0,0 +1,79 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -verify-machineinstrs -mtriple=aarch64-none-linux-gnu | FileCheck %s
+
+define <2 x i32> @shuffle(ptr %P) {
+; CHECK-LABEL: shuffle:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldr d0, [x0]
+; CHECK-NEXT:    dup v0.2s, v0.s[0]
+; CHECK-NEXT:    ret
+  %lv2i32 = load <2 x i32>, ptr %P
+  %B = shufflevector <2 x i32> %lv2i32, <2 x i32> undef, <2 x i32> zeroinitializer
+  ret <2 x i32> %B
+}
+
+define <4 x i32> @shuffle2(ptr %P) {
+; CHECK-LABEL: shuffle2:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldr q0, [x0]
+; CHECK-NEXT:    dup v0.4s, v0.s[0]
+; CHECK-NEXT:    ret
+  %lv2i32 = load <4 x i32>, ptr %P
+  %B = shufflevector <4 x i32> %lv2i32, <4 x i32> undef, <4 x i32> zeroinitializer
+  ret <4 x i32> %B
+}
+
+define <4 x i16> @shuffle3(ptr %P) {
+; CHECK-LABEL: shuffle3:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldr d0, [x0]
+; CHECK-NEXT:    dup v0.4h, v0.h[0]
+; CHECK-NEXT:    ret
+  %lv4i16 = load <4 x i16>, ptr %P
+  %sv4i16 = shufflevector <4 x i16> %lv4i16, <4 x i16> undef, <4 x i32> zeroinitializer
+  ret <4 x i16> %sv4i16
+}
+
+define <8 x i16> @shuffle4(ptr %P) {
+; CHECK-LABEL: shuffle4:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldr q0, [x0]
+; CHECK-NEXT:    dup v0.8h, v0.h[0]
+; CHECK-NEXT:    ret
+  %lv8i16 = load <8 x i16>, ptr %P
+  %sv8i16 = shufflevector <8 x i16> %lv8i16, <8 x i16> undef, <8 x i32> zeroinitializer
+  ret <8 x i16> %sv8i16
+}
+
+define <8 x i8> @shuffle5(ptr %P) {
+; CHECK-LABEL: shuffle5:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldr d0, [x0]
+; CHECK-NEXT:    dup v0.8b, v0.b[0]
+; CHECK-NEXT:    ret
+  %lv8i8 = load <8 x i8>, ptr %P
+  %sv8i8 = shufflevector <8 x i8> %lv8i8, <8 x i8> undef, <8 x i32> zeroinitializer
+  ret <8 x i8> %sv8i8
+}
+
+define <16 x i8> @shuffle6(ptr %P) {
+; CHECK-LABEL: shuffle6:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldr q0, [x0]
+; CHECK-NEXT:    dup v0.16b, v0.b[0]
+; CHECK-NEXT:    ret
+  %lv16i8 = load <16 x i8>, ptr %P
+  %sv16i8 = shufflevector <16 x i8> %lv16i8, <16 x i8> undef, <16 x i32> zeroinitializer
+  ret <16 x i8> %sv16i8
+}
+
+define <2 x i64> @shuffle7(ptr %P) {
+; CHECK-LABEL: shuffle7:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldr q0, [x0]
+; CHECK-NEXT:    dup v0.2d, v0.d[0]
+; CHECK-NEXT:    ret
+  %lv2i64 = load <2 x i64>, ptr %P
+  %sv2i64 = shufflevector <2 x i64> %lv2i64, <2 x i64> undef, <2 x i32> zeroinitializer
+  ret <2 x i64> %sv2i64
+}


        


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