SPIRV-LLVM-Translator/test/var_undef.ll at 248bfe8daff9e0052ac3aa9d61efa2ebd0e22665 · KhronosGroup/SPIRV-LLVM-Translator · GitHub

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; Ensure that encoding of variable with undef initializer
; has correct wordcount

; RUN: llvm-spirv %s -o %t.spv
; RUN: llvm-spirv -to-text %t.spv -o %t.spt
; RUN: FileCheck < %t.spt %s --check-prefix CHECK-SPIRV
; RUN: llvm-spirv -r %t.spv -o %t.rev.bc
; RUN: llvm-dis %t.rev.bc -o %t.rev.ll
; RUN: FileCheck < %t.rev.ll %s --check-prefix CHECK-LLVM
; RUN: %if spirv-backend %{ llc -O0 -mtriple=spirv64-unknown-unknown -filetype=obj %s -o %t.llc.spv %}
; RUN: %if spirv-backend %{ llvm-spirv -r %t.llc.spv -o %t.llc.rev.bc %}
; RUN: %if spirv-backend %{ llvm-dis %t.llc.rev.bc -o %t.llc.rev.ll %}
; RUN: %if spirv-backend %{ FileCheck %s --input-file %t.llc.rev.ll --check-prefix CHECK-LLVM %}

; CHECK-SPIRV: Name [[FOO_VAR:[0-9]+]] "foo"
; CHECK-SPIRV: Name [[BAR_VAR:[0-9]+]] "bar"
; CHECK-SPIRV: 4 Variable [[#]] [[FOO_VAR]]
; CHECK-SPIRV: 4 Variable [[#]] [[BAR_VAR]]

; CHECK-LLVM: @foo = internal addrspace(3) global %anon poison, align 8
; CHECK-LLVM: @bar = internal addrspace(3) global %range poison, align 8

target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-n8:16:32:64"
target triple = "spir64-unknown-unknown"

%anon = type { %range }
%range = type { %array }
%array = type { [2 x i64] }

@foo = internal addrspace(3) global %anon undef, align 8

@bar = internal unnamed_addr addrspace(3) global %range undef, align 8