[llvm] [GlobalIsel] Add G_SCMP and G_UCMP instructions (PR #98894)

[Matt Arsenault via llvm-commits]

Thorsten =?utf-8?q?Schütt?= <schuett at gmail.com>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/98894 at github.com>


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@@ -0,0 +1,26 @@
+# RUN: not --crash llc -verify-machineinstrs -run-pass none -mtriple=arm64 -o /dev/null %s 2>&1 | FileCheck %s
+# REQUIRES: aarch64-registered-target
+
+---
+name:            test_uscmp
+body:             |
+  bb.0:
+
+    %12:_(p0) = G_IMPLICIT_DEF
+    %13:_(p0) = G_IMPLICIT_DEF
+    ; CHECK: Generic scmp/ucmp does not support pointers
+    %14:_(p0) = G_SCMP %12, %13
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arsenm wrote:

Checking the operands separately from the result would be better 

https://github.com/llvm/llvm-project/pull/98894