[llvm] [AArch64] Spare N2I roundtrip when splatting float comparison (PR #141806)
David Green via llvm-commits
llvm-commits at lists.llvm.org
Thu May 29 09:42:21 PDT 2025
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@@ -0,0 +1,32 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=aarch64 | FileCheck %s
+
+define <4 x float> @dup32(float %a, float %b) {
+; CHECK-LABEL: dup32:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: fcmgt s0, s0, s1
+; CHECK-NEXT: dup v0.4s, v0.s[0]
+; CHECK-NEXT: ret
+entry:
+ %0 = fcmp ogt float %a, %b
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davemgreen wrote:
FP16 tests too?
https://github.com/llvm/llvm-project/pull/141806
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