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;=========================== begin_copyright_notice ============================
;
; Copyright (C) 2024 Intel Corporation
;
; SPDX-License-Identifier: MIT
;
;============================ end_copyright_notice =============================
; RUN: igc_opt --opaque-pointers -S --platformbmg --igc-ocl-merge-allocas %s | FileCheck %s
; Test interaction between control flow and escaping lifetime
target datalayout = "e-p:64:64:64-p1:64:64:64-p2:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:32:32-v96:32:32-v128:32:32-a0:0:32-n8:16:32-S32"
target triple = "dxil-ms-dx"
declare void @escape(ptr %a)
; Function Attrs: alwaysinline nounwind
define void @fun() #0 {
start:
%alloca_inf = alloca float, align 8
%alloca = alloca float, align 8
; CHECK: alloca float
; CHECK-NOT: alloca float
br label %altpath
altpath:
%a = load float, ptr %alloca
br i1 undef, label %altpath1, label %altpath2
altpath1:
call void @escape(ptr %alloca_inf)
br label %altpathexit
altpath2:
br label %altpathexit
altpathexit:
ret void
}
attributes #0 = { nounwind }
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