File: ppc32-skip-regs.ll

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llvm-toolchain-16 1%3A16.0.6-15~deb12u1
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; RUN: llc -O2 -mtriple=powerpc-unknown-linux-gnu < %s | FileCheck %s

target datalayout = "E-m:e-p:32:32-i64:64-n32"
target triple = "powerpc-buildroot-linux-gnu"

@x = global ppc_fp128 0xM3FF00000000000000000000000000000, align 16
@.str = private unnamed_addr constant [9 x i8] c"%Lf %Lf\0A\00", align 1

define void @foo() #0 {
entry:
  %0 = load ppc_fp128, ptr @x, align 16
  %call = tail call i32 (ptr, ...) @printf(ptr @.str, ppc_fp128 %0, ppc_fp128 %0)
  ret void
}
; Do not put second argument of function in r8 register, because there is no enough registers
; left for long double type (4 registers in soft float mode). Instead in r8 register this
; argument put on stack.
; CHECK-NOT: mr 8, 4
; CHECK: stw 6, 16(1)
; CHECK: stw 7, 20(1)
; CHECK: stw 5, 12(1)
; CHECK: stw 4, 8(1)

declare i32 @printf(ptr nocapture readonly, ...)

attributes #0 = { "use-soft-float"="true" }