[llvm] [LV] Use SCEV to check if minimum iteration check is known. (PR #111310)
Florian Hahn via llvm-commits
llvm-commits at lists.llvm.org
Thu Oct 10 04:58:10 PDT 2024
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@@ -791,10 +768,7 @@ for.cond.cleanup:
define double @test_widen_fmuladd_and_call(ptr noalias %a, ptr readnone %b, double %m) #4 {
; TFNONE-LABEL: @test_widen_fmuladd_and_call(
; TFNONE-NEXT: entry:
-; TFNONE-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64()
-; TFNONE-NEXT: [[TMP1:%.*]] = mul i64 [[TMP0]], 2
-; TFNONE-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 1025, [[TMP1]]
-; TFNONE-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; TFNONE-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
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fhahn wrote:
Yep
https://github.com/llvm/llvm-project/pull/111310
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