[PATCH] D157375: [LV] Pre-commit test case for AnyOf reduction , NFC

[Mel Chen via Phabricator via llvm-commits]

Mel-Chen updated this revision to Diff 548474.
Mel-Chen added a comment.

Corrected the debug message in test case.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D157375/new/

https://reviews.llvm.org/D157375

Files:
  llvm/test/Transforms/LoopVectorize/anyof-msg.ll


Index: llvm/test/Transforms/LoopVectorize/anyof-msg.ll
===================================================================
--- /dev/null
+++ llvm/test/Transforms/LoopVectorize/anyof-msg.ll
@@ -0,0 +1,24 @@
+; REQUIRES: asserts
+; RUN: opt -passes=loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -S < %s -debug-only=iv-descriptors -S 2>&1 | FileCheck %s
+
+; CHECK: Found a float conditional select reduction PHI. PHI. %1 = phi i32 [ %a, %entry ], [ %3, %for.body ]
+
+;
+; The test case is copied from Transforms/LoopVectorize/select-cmp.ll
+;
+define i32 @select_i32_from_icmp_same_inputs(i32 %a, i32 %b, i64 %n) {
+entry:
+  br label %for.body
+
+for.body:                                      ; preds = %entry, %for.body
+  %0 = phi i64 [ 0, %entry ], [ %4, %for.body ]
+  %1 = phi i32 [ %a, %entry ], [ %3, %for.body ]
+  %2 = icmp eq i32 %1, 3
+  %3 = select i1 %2, i32 %1, i32 %b
+  %4 = add nuw nsw i64 %0, 1
+  %5 = icmp eq i64 %4, %n
+  br i1 %5, label %exit, label %for.body
+
+exit:                                     ; preds = %for.body
+  ret i32 %3
+}


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