[llvm] 1e77b0c - [AArch64][NFC] Simplify loop vectoriser tail-folding tests

[David Sherwood via llvm-commits]

Author: David Sherwood
Date: 2022-07-18T13:37:29+01:00
New Revision: 1e77b0c871a70b6a6e5292fbf1f70350e4f031e6

URL: https://github.com/llvm/llvm-project/commit/1e77b0c871a70b6a6e5292fbf1f70350e4f031e6
DIFF: https://github.com/llvm/llvm-project/commit/1e77b0c871a70b6a6e5292fbf1f70350e4f031e6.diff

LOG: [AArch64][NFC] Simplify loop vectoriser tail-folding tests

I've simplified all of the SVE vectoriser tail-folding tests to
only care about testing the flag:

  -prefer-predicate-over-epiloge=predicate-else-scalar-epilogue

In practice we always want to fall back on unpredicated vector
loops if tail-folding is not possible.

Differential Revision: https://reviews.llvm.org/D129843

Added: 
    

Modified: 
    llvm/test/Transforms/LoopVectorize/AArch64/scalable-reductions-tf.ll
    llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-cost.ll
    llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-unroll.ll
    llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding.ll

Removed: 
    


################################################################################
diff  --git a/llvm/test/Transforms/LoopVectorize/AArch64/scalable-reductions-tf.ll b/llvm/test/Transforms/LoopVectorize/AArch64/scalable-reductions-tf.ll
index 6a6fb63f9e743..9106136c9ef27 100644
--- a/llvm/test/Transforms/LoopVectorize/AArch64/scalable-reductions-tf.ll
+++ b/llvm/test/Transforms/LoopVectorize/AArch64/scalable-reductions-tf.ll
@@ -1,4 +1,4 @@
-; RUN: opt < %s -loop-vectorize -prefer-predicate-over-epilogue=predicate-dont-vectorize \
+; RUN: opt < %s -loop-vectorize -prefer-predicate-over-epilogue=predicate-else-scalar-epilogue \
 ; RUN:   -mtriple aarch64-unknown-linux-gnu -mattr=+sve -S | FileCheck %s
 
 define void @invariant_store_red_exit_is_phi(i32* %dst, i32* readonly %src, i64 %n) {

diff  --git a/llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-cost.ll b/llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-cost.ll
index 7bd0e4125878e..93332335777e4 100644
--- a/llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-cost.ll
+++ b/llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-cost.ll
@@ -1,4 +1,4 @@
-; RUN: opt -S -loop-vectorize -prefer-predicate-over-epilogue=predicate-dont-vectorize <%s | FileCheck %s
+; RUN: opt -S -loop-vectorize -prefer-predicate-over-epilogue=predicate-else-scalar-epilogue <%s | FileCheck %s
 
 target triple = "aarch64-unknown-linux-gnu"
 

diff  --git a/llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-unroll.ll b/llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-unroll.ll
index b3c6addfcf4b0..f748ae682bc01 100644
--- a/llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-unroll.ll
+++ b/llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-unroll.ll
@@ -1,4 +1,3 @@
-; RUN: opt -S -loop-vectorize -prefer-predicate-over-epilogue=predicate-dont-vectorize -force-vector-interleave=4 -force-vector-width=4 < %s | FileCheck %s
 ; RUN: opt -S -loop-vectorize -prefer-predicate-over-epilogue=predicate-else-scalar-epilogue -force-vector-interleave=4 -force-vector-width=4 < %s | FileCheck %s
 
 target triple = "aarch64-unknown-linux-gnu"

diff  --git a/llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding.ll b/llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding.ll
index d1fa9097e3af1..1d88a294fd860 100644
--- a/llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding.ll
+++ b/llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding.ll
@@ -1,4 +1,3 @@
-; RUN: opt -S -hints-allow-reordering=false -loop-vectorize -prefer-predicate-over-epilogue=predicate-dont-vectorize -prefer-inloop-reductions < %s | FileCheck %s
 ; RUN: opt -S -hints-allow-reordering=false -loop-vectorize -prefer-predicate-over-epilogue=predicate-else-scalar-epilogue -prefer-inloop-reductions < %s | FileCheck %s
 
 target triple = "aarch64-unknown-linux-gnu"