[PATCH] D146754: [NFC]Pre-commit test case

[Mingming Liu via Phabricator via llvm-commits]

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Pre-commit test cases to show missed icmp-opt with flag-setting ALUs


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D146754

Files:
  llvm/test/CodeGen/AArch64/aarch64-icmp-opt.ll


Index: llvm/test/CodeGen/AArch64/aarch64-icmp-opt.ll
===================================================================
--- /dev/null
+++ llvm/test/CodeGen/AArch64/aarch64-icmp-opt.ll
@@ -0,0 +1,87 @@
+source_filename = "/app/example.cpp"
+target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
+target triple = "aarch64-unknown-linux-gnu"
+
+define i32 @sub_icmp_i32(i32 %0, i32 %1) {
+  %3 = sub nsw i32 %0, %1
+  %4 = icmp slt i32 %3, 1
+  br i1 %4, label %5, label %7
+
+5:
+  %6 = tail call i32 @_Z2f1i(i32 %3)
+  br label %9
+
+7:
+  %8 = tail call i32 @_Z2f2i(i32 %3)
+  br label %9
+
+9:
+  %10 = phi i32 [ %6, %5 ], [ %8, %7 ]
+  ret i32 %10
+}
+
+
+
+define i64 @sub_icmp_i64(i64 %0, i64 %1) {
+  %3 = sub nsw i64 %0, %1
+  %4 = icmp slt i64 %3, 1
+  br i1 %4, label %5, label %7
+
+5:
+  %6 = tail call i64 @_Z2f3l(i64 %3)
+  br label %9
+
+7:
+  %8 = tail call i64 @_Z2f4l(i64 %3)
+  br label %9
+
+9:
+  %10 = phi i64 [ %6, %5 ], [ %8, %7 ]
+  ret i64 %10
+}
+
+define i64 @add_i64(i64 %0, i64 %1) {
+  %3 = add nsw i64 %1, %0
+  %4 = icmp slt i64 %3, 1
+  br i1 %4, label %5, label %7
+
+5:
+  %6 = tail call i64 @_Z2f3l(i64 %3)
+  br label %9
+
+7:
+  %8 = tail call i64 @_Z2f4l(i64 %3)
+  br label %9
+
+9:
+  %10 = phi i64 [ %6, %5 ], [ %8, %7 ]
+  ret i64 %10
+}
+
+define i32 @add_i32(i32 %0, i32 %1) {
+  %3 = add nsw i32 %1, %0
+  %4 = icmp slt i32 %3, 1
+  br i1 %4, label %5, label %7
+
+5:
+  %6 = tail call i32 @_Z2f3l(i32 %3)
+  br label %9
+
+7:
+  %8 = tail call i32 @_Z2f4l(i32 %3)
+  br label %9
+
+9:
+  %10 = phi i32 [ %6, %5 ], [ %8, %7 ]
+  ret i32 %10
+}
+
+
+
+declare i32 @_Z2f1i(i32)
+declare i32 @_Z2f2i(i32)
+declare i64 @_Z2f3l(i64)
+declare i64 @_Z2f4l(i64)
+
+
+


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