[llvm] a7fd911 - [RISCV] Change undef->poison in cttz_elts.ll test (#215218)

[via llvm-commits]

Author: Philipp Rados
Date: 2026-08-10T18:25:56+08:00
New Revision: a7fd911d28814406982bc91adba8427484660496

URL: https://github.com/llvm/llvm-project/commit/a7fd911d28814406982bc91adba8427484660496
DIFF: https://github.com/llvm/llvm-project/commit/a7fd911d28814406982bc91adba8427484660496.diff

LOG: [RISCV] Change undef->poison in cttz_elts.ll test (#215218)

Since `undef` is deprecated and triggers CI-failures when changing
existing tests. Discussed in
https://github.com/llvm/llvm-project/pull/214795#discussion_r3747841496

Added: 
    

Modified: 
    llvm/test/Analysis/CostModel/RISCV/cttz_elts.ll

Removed: 
    


################################################################################
diff  --git a/llvm/test/Analysis/CostModel/RISCV/cttz_elts.ll b/llvm/test/Analysis/CostModel/RISCV/cttz_elts.ll
index 8ac08c311d02e..1b2b95233e54b 100644
--- a/llvm/test/Analysis/CostModel/RISCV/cttz_elts.ll
+++ b/llvm/test/Analysis/CostModel/RISCV/cttz_elts.ll
@@ -3,65 +3,65 @@
 
 define void @foo_no_vscale_range() {
 ; CHECK-LABEL: 'foo_no_vscale_range'
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i64.nxv2i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv2i1(<vscale x 2 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i64.nxv4i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv4i1(<vscale x 4 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i64.nxv8i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv8i1(<vscale x 8 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i64.nxv16i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv16i1(<vscale x 16 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i64.nxv32i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv32i1(<vscale x 32 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i64.nxv64i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv64i1(<vscale x 64 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 662 for instruction: %res.i64.nxv128i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv128i1(<vscale x 128 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i32.nxv2i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv2i1(<vscale x 2 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i32.nxv4i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv4i1(<vscale x 4 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i32.nxv8i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv8i1(<vscale x 8 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i32.nxv16i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv16i1(<vscale x 16 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i32.nxv32i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv32i1(<vscale x 32 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i32.nxv64i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv64i1(<vscale x 64 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 335 for instruction: %res.i32.nxv128i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv128i1(<vscale x 128 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i64.nxv2i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv2i1(<vscale x 2 x i1> undef, i1 false)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i64.nxv4i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv4i1(<vscale x 4 x i1> undef, i1 false)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i64.nxv8i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv8i1(<vscale x 8 x i1> undef, i1 false)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i64.nxv16i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv16i1(<vscale x 16 x i1> undef, i1 false)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i64.nxv32i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv32i1(<vscale x 32 x i1> undef, i1 false)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i64.nxv64i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv64i1(<vscale x 64 x i1> undef, i1 false)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 662 for instruction: %res.i64.nxv128i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv128i1(<vscale x 128 x i1> undef, i1 false)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i32.nxv2i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv2i1(<vscale x 2 x i1> undef, i1 false)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i32.nxv4i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv4i1(<vscale x 4 x i1> undef, i1 false)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i32.nxv8i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv8i1(<vscale x 8 x i1> undef, i1 false)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i32.nxv16i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv16i1(<vscale x 16 x i1> undef, i1 false)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i32.nxv32i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv32i1(<vscale x 32 x i1> undef, i1 false)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i32.nxv64i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv64i1(<vscale x 64 x i1> undef, i1 false)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 335 for instruction: %res.i32.nxv128i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv128i1(<vscale x 128 x i1> undef, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i64.nxv2i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv2i1(<vscale x 2 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i64.nxv4i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv4i1(<vscale x 4 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i64.nxv8i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv8i1(<vscale x 8 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i64.nxv16i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv16i1(<vscale x 16 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i64.nxv32i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv32i1(<vscale x 32 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i64.nxv64i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv64i1(<vscale x 64 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 662 for instruction: %res.i64.nxv128i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv128i1(<vscale x 128 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i32.nxv2i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv2i1(<vscale x 2 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i32.nxv4i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv4i1(<vscale x 4 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i32.nxv8i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv8i1(<vscale x 8 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i32.nxv16i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv16i1(<vscale x 16 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i32.nxv32i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv32i1(<vscale x 32 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i32.nxv64i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv64i1(<vscale x 64 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 335 for instruction: %res.i32.nxv128i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv128i1(<vscale x 128 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i64.nxv2i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv2i1(<vscale x 2 x i1> poison, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i64.nxv4i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv4i1(<vscale x 4 x i1> poison, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i64.nxv8i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv8i1(<vscale x 8 x i1> poison, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i64.nxv16i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv16i1(<vscale x 16 x i1> poison, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i64.nxv32i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv32i1(<vscale x 32 x i1> poison, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i64.nxv64i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv64i1(<vscale x 64 x i1> poison, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 662 for instruction: %res.i64.nxv128i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv128i1(<vscale x 128 x i1> poison, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i32.nxv2i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv2i1(<vscale x 2 x i1> poison, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i32.nxv4i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv4i1(<vscale x 4 x i1> poison, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i32.nxv8i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv8i1(<vscale x 8 x i1> poison, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i32.nxv16i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv16i1(<vscale x 16 x i1> poison, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i32.nxv32i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv32i1(<vscale x 32 x i1> poison, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i32.nxv64i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv64i1(<vscale x 64 x i1> poison, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 335 for instruction: %res.i32.nxv128i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv128i1(<vscale x 128 x i1> poison, i1 false)
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
 ;
-  %res.i64.nxv2i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv2i1(<vscale x 2 x i1> undef, i1 true)
-  %res.i64.nxv4i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv4i1(<vscale x 4 x i1> undef, i1 true)
-  %res.i64.nxv8i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv8i1(<vscale x 8 x i1> undef, i1 true)
-  %res.i64.nxv16i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv161(<vscale x 16 x i1> undef, i1 true)
-  %res.i64.nxv32i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv32i1(<vscale x 32 x i1> undef, i1 true)
-  %res.i64.nxv64i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv64i1(<vscale x 64 x i1> undef, i1 true)
-  %res.i64.nxv128i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv128i1(<vscale x 128 x i1> undef, i1 true)
-  %res.i32.nxv2i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv2i1(<vscale x 2 x i1> undef, i1 true)
-  %res.i32.nxv4i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv4i1(<vscale x 4 x i1> undef, i1 true)
-  %res.i32.nxv8i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv8i1(<vscale x 8 x i1> undef, i1 true)
-  %res.i32.nxv16i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv161(<vscale x 16 x i1> undef, i1 true)
-  %res.i32.nxv32i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv32i1(<vscale x 32 x i1> undef, i1 true)
-  %res.i32.nxv64i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv64i1(<vscale x 64 x i1> undef, i1 true)
-  %res.i32.nxv128i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv128i1(<vscale x 128 x i1> undef, i1 true)
+  %res.i64.nxv2i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv2i1(<vscale x 2 x i1> poison, i1 true)
+  %res.i64.nxv4i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv4i1(<vscale x 4 x i1> poison, i1 true)
+  %res.i64.nxv8i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv8i1(<vscale x 8 x i1> poison, i1 true)
+  %res.i64.nxv16i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv161(<vscale x 16 x i1> poison, i1 true)
+  %res.i64.nxv32i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv32i1(<vscale x 32 x i1> poison, i1 true)
+  %res.i64.nxv64i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv64i1(<vscale x 64 x i1> poison, i1 true)
+  %res.i64.nxv128i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv128i1(<vscale x 128 x i1> poison, i1 true)
+  %res.i32.nxv2i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv2i1(<vscale x 2 x i1> poison, i1 true)
+  %res.i32.nxv4i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv4i1(<vscale x 4 x i1> poison, i1 true)
+  %res.i32.nxv8i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv8i1(<vscale x 8 x i1> poison, i1 true)
+  %res.i32.nxv16i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv161(<vscale x 16 x i1> poison, i1 true)
+  %res.i32.nxv32i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv32i1(<vscale x 32 x i1> poison, i1 true)
+  %res.i32.nxv64i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv64i1(<vscale x 64 x i1> poison, i1 true)
+  %res.i32.nxv128i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv128i1(<vscale x 128 x i1> poison, i1 true)
 
-  %res.i64.nxv2i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv2i1(<vscale x 2 x i1> undef, i1 false)
-  %res.i64.nxv4i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv4i1(<vscale x 4 x i1> undef, i1 false)
-  %res.i64.nxv8i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv8i1(<vscale x 8 x i1> undef, i1 false)
-  %res.i64.nxv16i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv161(<vscale x 16 x i1> undef, i1 false)
-  %res.i64.nxv32i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv32i1(<vscale x 32 x i1> undef, i1 false)
-  %res.i64.nxv64i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv64i1(<vscale x 64 x i1> undef, i1 false)
-  %res.i64.nxv128i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv128i1(<vscale x 128 x i1> undef, i1 false)
-  %res.i32.nxv2i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv2i1(<vscale x 2 x i1> undef, i1 false)
-  %res.i32.nxv4i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv4i1(<vscale x 4 x i1> undef, i1 false)
-  %res.i32.nxv8i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv8i1(<vscale x 8 x i1> undef, i1 false)
-  %res.i32.nxv16i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv161(<vscale x 16 x i1> undef, i1 false)
-  %res.i32.nxv32i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv32i1(<vscale x 32 x i1> undef, i1 false)
-  %res.i32.nxv64i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv64i1(<vscale x 64 x i1> undef, i1 false)
-  %res.i32.nxv128i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv128i1(<vscale x 128 x i1> undef, i1 false)
+  %res.i64.nxv2i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv2i1(<vscale x 2 x i1> poison, i1 false)
+  %res.i64.nxv4i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv4i1(<vscale x 4 x i1> poison, i1 false)
+  %res.i64.nxv8i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv8i1(<vscale x 8 x i1> poison, i1 false)
+  %res.i64.nxv16i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv161(<vscale x 16 x i1> poison, i1 false)
+  %res.i64.nxv32i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv32i1(<vscale x 32 x i1> poison, i1 false)
+  %res.i64.nxv64i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv64i1(<vscale x 64 x i1> poison, i1 false)
+  %res.i64.nxv128i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv128i1(<vscale x 128 x i1> poison, i1 false)
+  %res.i32.nxv2i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv2i1(<vscale x 2 x i1> poison, i1 false)
+  %res.i32.nxv4i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv4i1(<vscale x 4 x i1> poison, i1 false)
+  %res.i32.nxv8i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv8i1(<vscale x 8 x i1> poison, i1 false)
+  %res.i32.nxv16i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv161(<vscale x 16 x i1> poison, i1 false)
+  %res.i32.nxv32i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv32i1(<vscale x 32 x i1> poison, i1 false)
+  %res.i32.nxv64i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv64i1(<vscale x 64 x i1> poison, i1 false)
+  %res.i32.nxv128i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv128i1(<vscale x 128 x i1> poison, i1 false)
 
   ret void
 }
@@ -69,65 +69,65 @@ define void @foo_no_vscale_range() {
 
 define void @foo_vscale_range_2_16() vscale_range(2,16) {
 ; CHECK-LABEL: 'foo_vscale_range_2_16'
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i64.nxv2i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv2i1(<vscale x 2 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i64.nxv4i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv4i1(<vscale x 4 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i64.nxv8i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv8i1(<vscale x 8 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i64.nxv16i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv16i1(<vscale x 16 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i64.nxv32i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv32i1(<vscale x 32 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i64.nxv64i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv64i1(<vscale x 64 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 172 for instruction: %res.i64.nxv128i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv128i1(<vscale x 128 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i32.nxv2i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv2i1(<vscale x 2 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i32.nxv4i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv4i1(<vscale x 4 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i32.nxv8i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv8i1(<vscale x 8 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i32.nxv16i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv16i1(<vscale x 16 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i32.nxv32i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv32i1(<vscale x 32 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i32.nxv64i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv64i1(<vscale x 64 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 172 for instruction: %res.i32.nxv128i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv128i1(<vscale x 128 x i1> undef, i1 true)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i64.nxv2i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv2i1(<vscale x 2 x i1> undef, i1 false)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i64.nxv4i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv4i1(<vscale x 4 x i1> undef, i1 false)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i64.nxv8i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv8i1(<vscale x 8 x i1> undef, i1 false)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i64.nxv16i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv16i1(<vscale x 16 x i1> undef, i1 false)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i64.nxv32i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv32i1(<vscale x 32 x i1> undef, i1 false)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i64.nxv64i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv64i1(<vscale x 64 x i1> undef, i1 false)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 172 for instruction: %res.i64.nxv128i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv128i1(<vscale x 128 x i1> undef, i1 false)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i32.nxv2i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv2i1(<vscale x 2 x i1> undef, i1 false)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i32.nxv4i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv4i1(<vscale x 4 x i1> undef, i1 false)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i32.nxv8i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv8i1(<vscale x 8 x i1> undef, i1 false)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i32.nxv16i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv16i1(<vscale x 16 x i1> undef, i1 false)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i32.nxv32i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv32i1(<vscale x 32 x i1> undef, i1 false)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i32.nxv64i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv64i1(<vscale x 64 x i1> undef, i1 false)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 172 for instruction: %res.i32.nxv128i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv128i1(<vscale x 128 x i1> undef, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i64.nxv2i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv2i1(<vscale x 2 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i64.nxv4i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv4i1(<vscale x 4 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i64.nxv8i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv8i1(<vscale x 8 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i64.nxv16i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv16i1(<vscale x 16 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i64.nxv32i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv32i1(<vscale x 32 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i64.nxv64i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv64i1(<vscale x 64 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 172 for instruction: %res.i64.nxv128i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv128i1(<vscale x 128 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i32.nxv2i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv2i1(<vscale x 2 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i32.nxv4i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv4i1(<vscale x 4 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i32.nxv8i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv8i1(<vscale x 8 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i32.nxv16i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv16i1(<vscale x 16 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i32.nxv32i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv32i1(<vscale x 32 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %res.i32.nxv64i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv64i1(<vscale x 64 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 172 for instruction: %res.i32.nxv128i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv128i1(<vscale x 128 x i1> poison, i1 true)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i64.nxv2i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv2i1(<vscale x 2 x i1> poison, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i64.nxv4i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv4i1(<vscale x 4 x i1> poison, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i64.nxv8i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv8i1(<vscale x 8 x i1> poison, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i64.nxv16i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv16i1(<vscale x 16 x i1> poison, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i64.nxv32i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv32i1(<vscale x 32 x i1> poison, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i64.nxv64i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv64i1(<vscale x 64 x i1> poison, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 172 for instruction: %res.i64.nxv128i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv128i1(<vscale x 128 x i1> poison, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i32.nxv2i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv2i1(<vscale x 2 x i1> poison, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i32.nxv4i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv4i1(<vscale x 4 x i1> poison, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i32.nxv8i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv8i1(<vscale x 8 x i1> poison, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i32.nxv16i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv16i1(<vscale x 16 x i1> poison, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i32.nxv32i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv32i1(<vscale x 32 x i1> poison, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %res.i32.nxv64i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv64i1(<vscale x 64 x i1> poison, i1 false)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 172 for instruction: %res.i32.nxv128i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv128i1(<vscale x 128 x i1> poison, i1 false)
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
 ;
-  %res.i64.nxv2i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv2i1(<vscale x 2 x i1> undef, i1 true)
-  %res.i64.nxv4i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv4i1(<vscale x 4 x i1> undef, i1 true)
-  %res.i64.nxv8i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv8i1(<vscale x 8 x i1> undef, i1 true)
-  %res.i64.nxv16i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv161(<vscale x 16 x i1> undef, i1 true)
-  %res.i64.nxv32i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv32i1(<vscale x 32 x i1> undef, i1 true)
-  %res.i64.nxv64i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv64i1(<vscale x 64 x i1> undef, i1 true)
-  %res.i64.nxv128i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv128i1(<vscale x 128 x i1> undef, i1 true)
-  %res.i32.nxv2i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv2i1(<vscale x 2 x i1> undef, i1 true)
-  %res.i32.nxv4i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv4i1(<vscale x 4 x i1> undef, i1 true)
-  %res.i32.nxv8i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv8i1(<vscale x 8 x i1> undef, i1 true)
-  %res.i32.nxv16i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv161(<vscale x 16 x i1> undef, i1 true)
-  %res.i32.nxv32i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv32i1(<vscale x 32 x i1> undef, i1 true)
-  %res.i32.nxv64i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv64i1(<vscale x 64 x i1> undef, i1 true)
-  %res.i32.nxv128i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv128i1(<vscale x 128 x i1> undef, i1 true)
+  %res.i64.nxv2i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv2i1(<vscale x 2 x i1> poison, i1 true)
+  %res.i64.nxv4i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv4i1(<vscale x 4 x i1> poison, i1 true)
+  %res.i64.nxv8i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv8i1(<vscale x 8 x i1> poison, i1 true)
+  %res.i64.nxv16i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv161(<vscale x 16 x i1> poison, i1 true)
+  %res.i64.nxv32i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv32i1(<vscale x 32 x i1> poison, i1 true)
+  %res.i64.nxv64i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv64i1(<vscale x 64 x i1> poison, i1 true)
+  %res.i64.nxv128i1.zip = call i64 @llvm.experimental.cttz.elts.i64.nxv128i1(<vscale x 128 x i1> poison, i1 true)
+  %res.i32.nxv2i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv2i1(<vscale x 2 x i1> poison, i1 true)
+  %res.i32.nxv4i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv4i1(<vscale x 4 x i1> poison, i1 true)
+  %res.i32.nxv8i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv8i1(<vscale x 8 x i1> poison, i1 true)
+  %res.i32.nxv16i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv161(<vscale x 16 x i1> poison, i1 true)
+  %res.i32.nxv32i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv32i1(<vscale x 32 x i1> poison, i1 true)
+  %res.i32.nxv64i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv64i1(<vscale x 64 x i1> poison, i1 true)
+  %res.i32.nxv128i1.zip = call i32 @llvm.experimental.cttz.elts.i32.nxv128i1(<vscale x 128 x i1> poison, i1 true)
 
-  %res.i64.nxv2i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv2i1(<vscale x 2 x i1> undef, i1 false)
-  %res.i64.nxv4i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv4i1(<vscale x 4 x i1> undef, i1 false)
-  %res.i64.nxv8i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv8i1(<vscale x 8 x i1> undef, i1 false)
-  %res.i64.nxv16i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv161(<vscale x 16 x i1> undef, i1 false)
-  %res.i64.nxv32i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv32i1(<vscale x 32 x i1> undef, i1 false)
-  %res.i64.nxv64i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv64i1(<vscale x 64 x i1> undef, i1 false)
-  %res.i64.nxv128i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv128i1(<vscale x 128 x i1> undef, i1 false)
-  %res.i32.nxv2i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv2i1(<vscale x 2 x i1> undef, i1 false)
-  %res.i32.nxv4i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv4i1(<vscale x 4 x i1> undef, i1 false)
-  %res.i32.nxv8i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv8i1(<vscale x 8 x i1> undef, i1 false)
-  %res.i32.nxv16i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv161(<vscale x 16 x i1> undef, i1 false)
-  %res.i32.nxv32i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv32i1(<vscale x 32 x i1> undef, i1 false)
-  %res.i32.nxv64i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv64i1(<vscale x 64 x i1> undef, i1 false)
-  %res.i32.nxv128i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv128i1(<vscale x 128 x i1> undef, i1 false)
+  %res.i64.nxv2i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv2i1(<vscale x 2 x i1> poison, i1 false)
+  %res.i64.nxv4i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv4i1(<vscale x 4 x i1> poison, i1 false)
+  %res.i64.nxv8i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv8i1(<vscale x 8 x i1> poison, i1 false)
+  %res.i64.nxv16i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv161(<vscale x 16 x i1> poison, i1 false)
+  %res.i64.nxv32i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv32i1(<vscale x 32 x i1> poison, i1 false)
+  %res.i64.nxv64i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv64i1(<vscale x 64 x i1> poison, i1 false)
+  %res.i64.nxv128i1.nzip = call i64 @llvm.experimental.cttz.elts.i64.nxv128i1(<vscale x 128 x i1> poison, i1 false)
+  %res.i32.nxv2i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv2i1(<vscale x 2 x i1> poison, i1 false)
+  %res.i32.nxv4i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv4i1(<vscale x 4 x i1> poison, i1 false)
+  %res.i32.nxv8i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv8i1(<vscale x 8 x i1> poison, i1 false)
+  %res.i32.nxv16i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv161(<vscale x 16 x i1> poison, i1 false)
+  %res.i32.nxv32i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv32i1(<vscale x 32 x i1> poison, i1 false)
+  %res.i32.nxv64i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv64i1(<vscale x 64 x i1> poison, i1 false)
+  %res.i32.nxv128i1.nzip = call i32 @llvm.experimental.cttz.elts.i32.nxv128i1(<vscale x 128 x i1> poison, i1 false)
 
   ret void
 }