[llvm] [llvm][CodeGen] Fixed max cycle calculation with zero-cost instructions for window scheduler (PR #99454)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,42 @@
+# REQUIRES: asserts
+# RUN: llc --march=hexagon %s -run-pass=pipeliner -debug-only=pipeliner \
+# RUN: -window-sched=force -filetype=null -verify-machineinstrs 2>&1 \
+# RUN: | FileCheck %s
+
+# CHECK-NOT: Can't find a valid II. Keep searching...
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arsenm wrote:

CHECK-NEXT and -implicit-check-not are more reliable than putting a CHECK-NOT in one place 

https://github.com/llvm/llvm-project/pull/99454