================
@@ -10,653 +10,337 @@ declare void @llvm.trap() #0
define void @quux() #1 {
; CHECK-LABEL: quux:
-; CHECK: // %bb.0: // %prelude
-; CHECK-NEXT: stp x29, x30, [sp, #-96]! // 16-byte Folded Spill
-; CHECK-NEXT: stp x28, x27, [sp, #16] // 16-byte Folded Spill
-; CHECK-NEXT: stp x26, x25, [sp, #32] // 16-byte Folded Spill
-; CHECK-NEXT: stp x24, x23, [sp, #48] // 16-byte Folded Spill
-; CHECK-NEXT: stp x22, x21, [sp, #64] // 16-byte Folded Spill
-; CHECK-NEXT: stp x20, x19, [sp, #80] // 16-byte Folded Spill
-; CHECK-NEXT: mov x29, sp
-; CHECK-NEXT: sub sp, sp, #384
-; CHECK-NEXT: .cfi_def_cfa w29, 96
-; CHECK-NEXT: .cfi_offset w19, -8
-; CHECK-NEXT: .cfi_offset w20, -16
-; CHECK-NEXT: .cfi_offset w21, -24
-; CHECK-NEXT: .cfi_offset w22, -32
-; CHECK-NEXT: .cfi_offset w23, -40
-; CHECK-NEXT: .cfi_offset w24, -48
-; CHECK-NEXT: .cfi_offset w25, -56
-; CHECK-NEXT: .cfi_offset w26, -64
-; CHECK-NEXT: .cfi_offset w27, -72
-; CHECK-NEXT: .cfi_offset w28, -80
-; CHECK-NEXT: .cfi_offset w30, -88
-; CHECK-NEXT: .cfi_offset w29, -96
-; CHECK-NEXT: rdsvl x8, #1
+; CHECK: // %bb.0: // %bb
----------------
MacDue wrote:
Ah, I think a big reason for the massive codegen change is the previous SME ABI
added a new entry block (in LLVM IR). That pushed all the `allocas` in this
test outside the entry, which resulted in a sub-optimal lowering.
https://github.com/llvm/llvm-project/pull/172642
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