[llvm-branch-commits] [llvm] release/20.x: [RISCV] Fix assertion failure when using -fstack-clash-protection (#135248) (PR #139388)

[Craig Topper via llvm-branch-commits]

topperc wrote:

@tstellar This is the fix. Can I push to this PR or do I need to make a new PR 
from my fork?

```
diff --git a/llvm/test/CodeGen/RISCV/pr135206.ll 
b/llvm/test/CodeGen/RISCV/pr135206.ll
index 196e78d8ed8b..859179f62d70 100644
--- a/llvm/test/CodeGen/RISCV/pr135206.ll
+++ b/llvm/test/CodeGen/RISCV/pr135206.ll
@@ -44,7 +44,7 @@ define i1 @foo() nounwind "probe-stack"="inline-asm" 
"target-features"="+v" {
 ; CHECK-NEXT:    lui a0, 8
 ; CHECK-NEXT:    addiw a0, a0, 32
 ; CHECK-NEXT:    add a0, sp, a0
-; CHECK-NEXT:    vs1r.v v8, (a0) # vscale x 8-byte Folded Spill
+; CHECK-NEXT:    vs1r.v v8, (a0) # Unknown-size Folded Spill
 ; CHECK-NEXT:    addiw a0, a1, 1622
 ; CHECK-NEXT:    vse8.v v8, (s0)
 ; CHECK-NEXT:    vse8.v v8, (s1)
@@ -56,7 +56,7 @@ define i1 @foo() nounwind "probe-stack"="inline-asm" 
"target-features"="+v" {
 ; CHECK-NEXT:    lui a0, 8
 ; CHECK-NEXT:    addiw a0, a0, 32
 ; CHECK-NEXT:    add a0, sp, a0
-; CHECK-NEXT:    vl1r.v v8, (a0) # vscale x 8-byte Folded Reload
+; CHECK-NEXT:    vl1r.v v8, (a0) # Unknown-size Folded Reload
 ; CHECK-NEXT:    vsetivli zero, 16, e8, m1, ta, ma
 ; CHECK-NEXT:    vse8.v v8, (s0)
 ; CHECK-NEXT:    vse8.v v8, (s1)
```

https://github.com/llvm/llvm-project/pull/139388
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