File: promote-alloca-bitcast-function.ll

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llvm-toolchain-13 1%3A13.0.1-6~deb11u1
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; RUN: opt -data-layout=A5 -S -mtriple=amdgcn-unknown-unknown -amdgpu-promote-alloca -disable-promote-alloca-to-vector < %s | FileCheck %s

; Make sure that AMDGPUPromoteAlloca doesn't crash if the called
; function is a constantexpr cast of a function.

declare void @foo(float addrspace(5)*) #0
declare void @foo.varargs(...) #0

; CHECK-LABEL: @crash_call_constexpr_cast(
; CHECK: alloca
; CHECK: call void
define amdgpu_kernel void @crash_call_constexpr_cast() #0 {
  %alloca = alloca i32, addrspace(5)
  call void bitcast (void (float addrspace(5)*)* @foo to void (i32 addrspace(5)*)*)(i32 addrspace(5)* %alloca) #0
  ret void
}

; CHECK-LABEL: @crash_call_constexpr_cast_varargs(
; CHECK: alloca
; CHECK: call void
define amdgpu_kernel void @crash_call_constexpr_cast_varargs() #0 {
  %alloca = alloca i32, addrspace(5)
  call void bitcast (void (...)* @foo.varargs to void (i32 addrspace(5)*)*)(i32 addrspace(5)* %alloca) #0
  ret void
}

attributes #0 = { nounwind }