File: svr4-redzone.ll

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llvm-toolchain-16 1%3A16.0.6-15~deb12u1
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; RUN: llc -verify-machineinstrs -mtriple="powerpc-unknown-linux-gnu" < %s | FileCheck %s --check-prefix=PPC32
; RUN: llc -verify-machineinstrs -mtriple="powerpc64-unknown-linux-gnu" < %s | FileCheck %s --check-prefix=PPC64
; PR15332

define i32 @regalloc() nounwind {
entry:
 %0 = add i32 1, 2
       ret i32 %0
}
; PPC32-LABEL: regalloc:
; PPC32-NOT: stwu 1, -{{[0-9]+}}(1)
; PPC32: blr

; PPC64-LABEL: regalloc:
; PPC64-NOT: stdu 1, -{{[0-9]+}}(1)
; PPC64: blr

define ptr @smallstack() nounwind {
entry:
 %0 = alloca i8, i32 4
       ret ptr %0
}
; PPC32-LABEL: smallstack:
; PPC32: stwu 1, -16(1)

; PPC64-LABEL: smallstack:
; PPC64-NOT: stdu 1, -{{[0-9]+}}(1)
; PPC64: blr

define ptr @bigstack() nounwind {
entry:
 %0 = alloca i8, i32 290
       ret ptr %0
}
; PPC32-LABEL: bigstack:
; PPC32: stwu 1, -304(1)

; PPC64-LABEL: bigstack:
; PPC64: stdu 1, -352(1)