[llvm] [RISCV] Exclude LPAD in machine outliner (PR #157220)

[Ming-Yi Lai via llvm-commits]

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@@ -0,0 +1,61 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -mtriple riscv64 -mattr=+experimental-zicfilp < %s | FileCheck %s --check-prefixes=CHECK,RV64
+
+define i32 @test1() #0 {
+; CHECK-LABEL: test1:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    lpad 0
+; CHECK-NEXT:    li a0, 0
+; CHECK-NEXT:    ret
+entry:
+  ret i32 0
+}
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mylai-mtk wrote:

Find a testcase that results in `OUTLINED_FUNCTION` being created, and check that LPADs are still in their original place instead of being outlined into `OUTLINED_FUNCTION`.

https://github.com/llvm/llvm-project/pull/157220