[sycl-post-link] Refactor cloned modules processing

llvm/test/tools/sycl-post-link/assert-indirect-with-split-2.ll

@@ -11,6 +11,9 @@
 ; RUN: sycl-post-link -split=auto -symbols -S %s -o %t.table
 ; RUN: FileCheck %s -input-file=%t_0.prop
 
+; RUN: sycl-post-link -split=auto -symbols -reduce-memory-usage=true -S %s -o %t-red.table
+; RUN: FileCheck %s -input-file=%t-red_0.prop
+
 target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024"
 target triple = "spir64-unknown-linux"
 

llvm/test/tools/sycl-post-link/assert-indirect-with-split.ll

@@ -9,6 +9,9 @@
 ; RUN: sycl-post-link -split=auto -symbols -S %s -o %t.table
 ; RUN: FileCheck %s -input-file=%t_0.prop
 
+; RUN: sycl-post-link -split=auto -symbols -reduce-memory-usage=true -S %s -o %t-red.table
+; RUN: FileCheck %s -input-file=%t-red_0.prop
+
 target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024"
 target triple = "spir64-unknown-linux"
 

llvm/test/tools/sycl-post-link/assert-property-1.ll

@@ -5,6 +5,9 @@
 ; RUN: sycl-post-link -split=auto -symbols -S %s -o %t.table
 ; RUN: FileCheck %s -input-file=%t_0.prop
 
+; RUN: sycl-post-link -split=auto -symbols -reduce-memory-usage=true -S %s -o %t-red.table
+; RUN: FileCheck %s -input-file=%t-red_0.prop
+
 ; SYCL source:
 ; void foo() {
 ;   assert(0);

llvm/test/tools/sycl-post-link/assert-property-2.ll

@@ -5,6 +5,9 @@
 ; RUN: sycl-post-link -split=auto -symbols -S %s -o %t.table
 ; RUN: FileCheck %s -input-file=%t_0.prop
 
+; RUN: sycl-post-link -split=auto -symbols -reduce-memory-usage=true -S %s -o %t-red.table
+; RUN: FileCheck %s -input-file=%t-red_0.prop
+
 ; SYCL source:
 ; void assert_func() {
 ;   assert(0);

llvm/test/tools/sycl-post-link/assert-property-with-split.ll

@@ -5,6 +5,9 @@
 ; RUN: sycl-post-link -split=auto -symbols -S %s -o %t.table
 ; RUN: FileCheck %s -input-file=%t_0.prop
 
+; RUN: sycl-post-link -split=auto -symbols -reduce-memory-usage=true -S %s -o %t-red.table
+; RUN: FileCheck %s -input-file=%t-red_0.prop
+
 target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024"
 target triple = "spir64-unknown-linux"
 

llvm/test/tools/sycl-post-link/auto-module-split-1.ll

@@ -1,10 +1,16 @@
-; RUN: sycl-post-link -split=auto -symbols -S %s -o %t.table
 ; By default auto mode is equal to source mode
+; RUN: sycl-post-link -split=auto -symbols -S %s -o %t.table
 ; RUN: FileCheck %s -input-file=%t_0.ll --check-prefixes CHECK-TU0,CHECK
 ; RUN: FileCheck %s -input-file=%t_1.ll --check-prefixes CHECK-TU1,CHECK
 ; RUN: FileCheck %s -input-file=%t_0.sym --check-prefixes CHECK-TU0-TXT
 ; RUN: FileCheck %s -input-file=%t_1.sym --check-prefixes CHECK-TU1-TXT
 
+; RUN: sycl-post-link -split=auto -symbols -reduce-memory-usage=true -S %s -o %t-red.table
+; RUN: FileCheck %s -input-file=%t-red_0.ll --check-prefixes CHECK-TU0,CHECK
+; RUN: FileCheck %s -input-file=%t-red_1.ll --check-prefixes CHECK-TU1,CHECK
+; RUN: FileCheck %s -input-file=%t-red_0.sym --check-prefixes CHECK-TU0-TXT
+; RUN: FileCheck %s -input-file=%t-red_1.sym --check-prefixes CHECK-TU1-TXT
+
 target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024"
 target triple = "spir64-unknown-linux"
 

llvm/test/tools/sycl-post-link/auto-module-split-2.ll

@@ -1,9 +1,12 @@
-; RUN: sycl-post-link -split=auto -symbols -S %s -o %t.table
 ; In precense of indirectly callable function auto mode is equal to no split,
 ; which means that separate LLVM IR file for device is not generated and we only
 ; need to check generated symbol table
+; RUN: sycl-post-link -split=auto -symbols -S %s -o %t.table
 ; RUN: FileCheck %s -input-file=%t_0.sym --check-prefixes CHECK
 
+; RUN: sycl-post-link -split=auto -symbols -reduce-memory-usage=true -S %s -o %t-red.table
+; RUN: FileCheck %s -input-file=%t-red_0.sym --check-prefixes CHECK
+
 target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024"
 target triple = "spir64-unknown-linux"
 

llvm/test/tools/sycl-post-link/auto-module-split-3.ll

@@ -1,9 +1,12 @@
-; RUN: sycl-post-link -split=auto -symbols -S %s -o %t.table
 ; In precense of indirect calls auto mode is equal to no split,
 ; which means that separate LLVM IR file for device is not generated and we only
 ; need to check generated symbol table
+; RUN: sycl-post-link -split=auto -symbols -S %s -o %t.table
 ; RUN: FileCheck %s -input-file=%t_0.sym --check-prefixes CHECK
 
+; RUN: sycl-post-link -split=auto -symbols -reduce-memory-usage=true -S %s -o %t-red.table
+; RUN: FileCheck %s -input-file=%t-red_0.sym --check-prefixes CHECK
+
 target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024"
 target triple = "spir64-unknown-linux"
 

llvm/test/tools/sycl-post-link/auto-module-split-func-ptr.ll

@@ -1,6 +1,9 @@
 ; RUN: sycl-post-link -split=auto -symbols -S %s -o %t.table
 ; RUN: FileCheck %s -input-file=%t_0.sym
 
+; RUN: sycl-post-link -split=auto -symbols -reduce-memory-usage=true -S %s -o %t-red.table
+; RUN: FileCheck %s -input-file=%t-red_0.sym
+
 ; This test checkes that module is not split if function pointer's user is not
 ; CallInst.
 

llvm/test/tools/sycl-post-link/basic-module-split.ll

@@ -3,6 +3,13 @@
 ; RUN: FileCheck %s -input-file=%t_1.ll --check-prefixes CHECK-TU1,CHECK
 ; RUN: FileCheck %s -input-file=%t_0.sym --check-prefixes CHECK-TU0-TXT
 ; RUN: FileCheck %s -input-file=%t_1.sym --check-prefixes CHECK-TU1-TXT
+
+; RUN: sycl-post-link -split=source -symbols -reduce-memory-usage=true -S %s -o %t-red.table
+; RUN: FileCheck %s -input-file=%t-red_0.ll --check-prefixes CHECK-TU0,CHECK
+; RUN: FileCheck %s -input-file=%t-red_1.ll --check-prefixes CHECK-TU1,CHECK
+; RUN: FileCheck %s -input-file=%t-red_0.sym --check-prefixes CHECK-TU0-TXT
+; RUN: FileCheck %s -input-file=%t-red_1.sym --check-prefixes CHECK-TU1-TXT
+
 ; ModuleID = 'basic-module-split.ll'
 source_filename = "basic-module-split.ll"
 target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024"

llvm/test/tools/sycl-post-link/cuda-split-per-kernel.ll

@@ -0,0 +1,46 @@
+; RUN: sycl-post-link -split=kernel -emit-program-metadata -symbols -emit-exported-symbols \
+; RUN:     -split-esimd -lower-esimd -O2 -spec-const=default -S %s -o %t.table
+; RUN: FileCheck %s -input-file=%t_0.ll --check-prefix CHECK-IR0
+; RUN: FileCheck %s -input-file=%t_1.ll --check-prefix CHECK-IR1
+; RUN: FileCheck %s -input-file=%t_2.ll --check-prefix CHECK-IR2
+
+; RUN: sycl-post-link -split=kernel -emit-program-metadata -symbols -emit-exported-symbols \
+; RUN:     -split-esimd -lower-esimd -O2 -spec-const=default -reduce-memory-usage=true -S %s -o %t-red.table
+; RUN: FileCheck %s -input-file=%t-red_0.ll --check-prefix CHECK-IR0
+; RUN: FileCheck %s -input-file=%t-red_1.ll --check-prefix CHECK-IR1
+; RUN: FileCheck %s -input-file=%t-red_2.ll --check-prefix CHECK-IR2
+
+; This test checks that kernel info is saved for CUDA target during device code
+; splitting.
+; It should work for reduce-memory-usage mode as well, but now this information
+; is lost for 2nd and subsequent split modules.
+
+; CHECK-IR0: !{{[0-9]+}} = !{void (i32 addrspace(1)*)* @_ZTS5Kern1, !"kernel", i32 1}
+; CHECK-IR1: !{{[0-9]+}} = !{void (i32 addrspace(1)*)* @_ZTS5Kern2, !"kernel", i32 1}
+; CHECK-IR2: !{{[0-9]+}} = !{void (i32 addrspace(1)*)* @_ZTS5Kern3, !"kernel", i32 1}
+
+target datalayout = "e-i64:64-i128:128-v16:16-v32:32-n16:32:64"
+target triple = "nvptx64-nvidia-cuda"
+
+define weak_odr dso_local void @_ZTS5Kern1(i32 addrspace(1)* %_arg_) #0 {
+entry:
+  ret void
+}
+
+define weak_odr dso_local void @_ZTS5Kern2(i32 addrspace(1)* %_arg_) #0 {
+entry:
+  ret void
+}
+
+define weak_odr dso_local void @_ZTS5Kern3(i32 addrspace(1)* %_arg_) #0 {
+entry:
+  ret void
+}
+
+attributes #0 = { convergent mustprogress noinline norecurse "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "sycl-module-id"="cuda-split-per-kernel.cpp" "target-cpu"="sm_50" "target-features"="+ptx74,+sm_50" "uniform-work-group-size"="true" }
+
+!nvvm.annotations = !{!0, !1, !2}
+
+!0 = !{void (i32 addrspace(1)*)* @_ZTS5Kern1, !"kernel", i32 1}
+!1 = !{void (i32 addrspace(1)*)* @_ZTS5Kern2, !"kernel", i32 1}
+!2 = !{void (i32 addrspace(1)*)* @_ZTS5Kern3, !"kernel", i32 1}

llvm/test/tools/sycl-post-link/emit_exported_symbols.ll

@@ -4,19 +4,34 @@
 ; RUN: sycl-post-link -symbols -emit-exported-symbols -S %s -o %t.global.files.table
 ; RUN: FileCheck %s -input-file=%t.global.files_0.prop --implicit-check-not="NotExported" --check-prefix=CHECK-GLOBAL-PROP
 ;
+; RUN: sycl-post-link -symbols -emit-exported-symbols -reduce-memory-usage=true -S %s -o %t-red.global.files.table
+; RUN: FileCheck %s -input-file=%t-red.global.files_0.prop --implicit-check-not="NotExported" --check-prefix=CHECK-GLOBAL-PROP
+;
 ; Per-module split
 ; RUN: sycl-post-link -symbols -split=source -emit-exported-symbols -S %s -o %t.per_module.files.table
 ; RUN: FileCheck %s -input-file=%t.per_module.files_0.prop -implicit-check-not="NotExported" --check-prefix=CHECK-PERMODULE-0-PROP
 ; RUN: FileCheck %s -input-file=%t.per_module.files_1.prop -implicit-check-not="NotExported" --check-prefix=CHECK-PERMODULE-1-PROP
 ; RUN: FileCheck %s -input-file=%t.per_module.files_2.prop -implicit-check-not="NotExported" --check-prefix=CHECK-KERNELONLY-PROP
 ;
+; RUN: sycl-post-link -symbols -split=source -emit-exported-symbols -reduce-memory-usage=true -S %s -o %t-red.per_module.files.table
+; RUN: FileCheck %s -input-file=%t-red.per_module.files_0.prop -implicit-check-not="NotExported" --check-prefix=CHECK-PERMODULE-0-PROP
+; RUN: FileCheck %s -input-file=%t-red.per_module.files_1.prop -implicit-check-not="NotExported" --check-prefix=CHECK-PERMODULE-1-PROP
+; RUN: FileCheck %s -input-file=%t-red.per_module.files_2.prop -implicit-check-not="NotExported" --check-prefix=CHECK-KERNELONLY-PROP
+;
 ; Per-kernel split
 ; RUN: sycl-post-link -symbols -split=kernel -emit-exported-symbols -S %s -o %t.per_kernel.files.table
 ; RUN: FileCheck %s -input-file=%t.per_kernel.files_0.prop --implicit-check-not="NotExported" --check-prefix=CHECK-PERKERNEL-0-PROP
 ; RUN: FileCheck %s -input-file=%t.per_kernel.files_1.prop --implicit-check-not="NotExported" --check-prefix=CHECK-PERKERNEL-1-PROP
 ; RUN: FileCheck %s -input-file=%t.per_kernel.files_2.prop --implicit-check-not="NotExported" --check-prefix=CHECK-PERKERNEL-2-PROP
 ; RUN: FileCheck %s -input-file=%t.per_kernel.files_3.prop --implicit-check-not="NotExported" --check-prefix=CHECK-KERNELONLY-PROP
 ; RUN: FileCheck %s -input-file=%t.per_kernel.files_4.prop --implicit-check-not="NotExported" --check-prefix=CHECK-KERNELONLY-PROP
+;
+; RUN: sycl-post-link -symbols -split=kernel -emit-exported-symbols -reduce-memory-usage=true -S %s -o %t-red.per_kernel.files.table
+; RUN: FileCheck %s -input-file=%t-red.per_kernel.files_0.prop --implicit-check-not="NotExported" --check-prefix=CHECK-PERKERNEL-0-PROP
+; RUN: FileCheck %s -input-file=%t-red.per_kernel.files_1.prop --implicit-check-not="NotExported" --check-prefix=CHECK-PERKERNEL-1-PROP
+; RUN: FileCheck %s -input-file=%t-red.per_kernel.files_2.prop --implicit-check-not="NotExported" --check-prefix=CHECK-PERKERNEL-2-PROP
+; RUN: FileCheck %s -input-file=%t-red.per_kernel.files_3.prop --implicit-check-not="NotExported" --check-prefix=CHECK-KERNELONLY-PROP
+; RUN: FileCheck %s -input-file=%t-red.per_kernel.files_4.prop --implicit-check-not="NotExported" --check-prefix=CHECK-KERNELONLY-PROP
 
 target triple = "spir64-unknown-unknown"
 

llvm/test/tools/sycl-post-link/emit_program_metadata.ll

@@ -4,6 +4,10 @@
 ; RUN: FileCheck %s -input-file=%t.files.table --check-prefixes CHECK-TABLE
 ; RUN: FileCheck %s -input-file=%t.files_0.prop --match-full-lines --check-prefixes CHECK-PROP
 
+; RUN: sycl-post-link -emit-program-metadata -reduce-memory-usage=true -S %s -o %t-red.files.table
+; RUN: FileCheck %s -input-file=%t-red.files.table --check-prefixes CHECK-TABLE
+; RUN: FileCheck %s -input-file=%t-red.files_0.prop --match-full-lines --check-prefixes CHECK-PROP
+
 target triple = "spir64-unknown-unknown"
 
 !0 = !{i32 1, i32 2, i32 4}

llvm/test/tools/sycl-post-link/erase_used.ll

@@ -6,11 +6,21 @@
 ; RUN: FileCheck %s -input-file=%t.files_0.ll
 ; RUN: FileCheck %s -input-file=%t.files_1.ll
 ;
+; RUN: sycl-post-link -split=kernel -reduce-memory-usage=true -S %s -o %t-red.files.table
+; RUN: FileCheck %s -input-file=%t-red.files_0.ll
+; RUN: FileCheck %s -input-file=%t-red.files_1.ll
+;
 ; RUN: sycl-post-link -S -split=auto -symbols -split-esimd -lower-esimd -O2 -spec-const=default %s -o %t.out.table
 ; RUN: FileCheck %s --input-file=%t.out_0.ll
 ;
+; RUN: sycl-post-link -S -split=auto -symbols -split-esimd -lower-esimd -O2 -spec-const=default -reduce-memory-usage=true %s -o %t-red.out.table
+; RUN: FileCheck %s --input-file=%t-red.out_0.ll
+;
 ; RUN: sycl-post-link -S -split=auto -ir-output-only %s -o %t.out_ir_only.ll
 ; RUN: FileCheck %s --input-file %t.out_ir_only.ll
+;
+; RUN: sycl-post-link -S -split=auto -ir-output-only -reduce-memory-usage=true %s -o %t-red.out_ir_only.ll
+; RUN: FileCheck %s --input-file %t-red.out_ir_only.ll
 
 target triple = "spir64-unknown-unknown"
 

llvm/test/tools/sycl-post-link/help.test

@@ -36,21 +36,22 @@ CHECK: OPTIONS:
 
 CHECK: Generic Options:
 
-CHECK: --help               - Display available options (--help-hidden for more)
-CHECK: --help-list          - Display list of available options (--help-list-hidden for more)
-CHECK: --version            - Display the version of this program
+CHECK: --help                - Display available options (--help-hidden for more)
+CHECK: --help-list           - Display list of available options (--help-list-hidden for more)
+CHECK: --version             - Display the version of this program
 
 CHECK: sycl-post-link options:
 
-CHECK: -f                   - Enable binary output on terminals
-CHECK: --ir-output-only     - Output single IR file
-CHECK: -o=<filename>        - Output filename
-CHECK: --out-dir=<dirname>  - Directory where files listed in the result file table will be output
-CHECK: --spec-const=<value> - lower and generate specialization constants information
-CHECK:   =rt                -   spec constants are set at runtime
-CHECK:   =default           -   set spec constants to C++ defaults
-CHECK: --split=<value>      - split input module
-CHECK:   =source            -   1 output module per source (translation unit)
-CHECK:   =kernel            -   1 output module per kernel
-CHECK:   =auto              -   Choose split mode automatically
-CHECK: --symbols            - generate exported symbol files
+CHECK: -f                    - Enable binary output on terminals
+CHECK: --ir-output-only      - Output single IR file
+CHECK: -o=<filename>         - Output filename
+CHECK: --out-dir=<dirname>   - Directory where files listed in the result file table will be output
+CHECK: --reduce-memory-usage - Share temporary auxiliary memory to reduce RAM utilization
+CHECK: --spec-const=<value>  - lower and generate specialization constants information
+CHECK:   =rt                 -   spec constants are set at runtime
+CHECK:   =default            -   set spec constants to C++ defaults
+CHECK: --split=<value>       - split input module
+CHECK:   =source             -   1 output module per source (translation unit)
+CHECK:   =kernel             -   1 output module per kernel
+CHECK:   =auto               -   Choose split mode automatically
+CHECK: --symbols             - generate exported symbol files

llvm/test/tools/sycl-post-link/ir-output-only.ll

@@ -1,6 +1,9 @@
 ; RUN: sycl-post-link --ir-output-only -split=auto -S %s -o %t.ll
 ; RUN: FileCheck %s -input-file=%t.ll
 
+; RUN: sycl-post-link --ir-output-only -split=auto -reduce-memory-usage=true -S %s -o %t-red.ll
+; RUN: FileCheck %s -input-file=%t-red.ll
+
 ; This test checks that the --ir-output-only option writes a LLVM IR
 ; file instead of a table. In comparison with other tests, this one 
 ; checks that the option works OK with -split=auto.

llvm/test/tools/sycl-post-link/omit_kernel_args.ll

@@ -5,6 +5,10 @@
 ; RUN: sycl-post-link -emit-param-info -S %s -o %t.files.table
 ; RUN: FileCheck %s -input-file=%t.files.table --check-prefixes CHECK-TABLE
 ; RUN: FileCheck %s -input-file=%t.files_0.prop --match-full-lines --check-prefixes CHECK-PROP
+;
+; RUN: sycl-post-link -emit-param-info -reduce-memory-usage=true -S %s -o %t-red.files.table
+; RUN: FileCheck %s -input-file=%t-red.files.table --check-prefixes CHECK-TABLE
+; RUN: FileCheck %s -input-file=%t-red.files_0.prop --match-full-lines --check-prefixes CHECK-PROP
 
 target triple = "spir64-unknown-unknown"
 

llvm/test/tools/sycl-post-link/one-kernel-per-module.ll

@@ -5,6 +5,15 @@
 ; RUN: FileCheck %s -input-file=%t.files_0.sym --check-prefixes CHECK-MODULE0-TXT
 ; RUN: FileCheck %s -input-file=%t.files_1.sym --check-prefixes CHECK-MODULE1-TXT
 ; RUN: FileCheck %s -input-file=%t.files_2.sym --check-prefixes CHECK-MODULE2-TXT
+
+; RUN: sycl-post-link -split=kernel -symbols -reduce-memory-usage=true -S %s -o %t-red.files.table
+; RUN: FileCheck %s -input-file=%t-red.files_0.ll --check-prefixes CHECK-MODULE0,CHECK
+; RUN: FileCheck %s -input-file=%t-red.files_1.ll --check-prefixes CHECK-MODULE1,CHECK
+; RUN: FileCheck %s -input-file=%t-red.files_2.ll --check-prefixes CHECK-MODULE2,CHECK
+; RUN: FileCheck %s -input-file=%t-red.files_0.sym --check-prefixes CHECK-MODULE0-TXT
+; RUN: FileCheck %s -input-file=%t-red.files_1.sym --check-prefixes CHECK-MODULE1-TXT
+; RUN: FileCheck %s -input-file=%t-red.files_2.sym --check-prefixes CHECK-MODULE2-TXT
+
 ; ModuleID = 'one-kernel-per-module.ll'
 source_filename = "one-kernel-per-module.ll"
 target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024"

llvm/test/tools/sycl-post-link/spec-constants/DeprecatedFeautres/composite-O0.ll

@@ -1,6 +1,9 @@
 ; RUN: sycl-post-link -spec-const=rt --ir-output-only %s -S -o - \
 ; RUN: | FileCheck %s --implicit-check-not "call {{.*}} __sycl_getCompositeSpecConstantValue"
 ;
+; RUN: sycl-post-link -spec-const=rt --ir-output-only -reduce-memory-usage=true %s -S -o - \
+; RUN: | FileCheck %s --implicit-check-not "call {{.*}} __sycl_getCompositeSpecConstantValue"
+;
 ; This test is intended to check that sycl-post-link tool is capable of handling
 ; composite specialization constants by lowering them into a set of SPIR-V
 ; friendly IR operations representing those constants.

llvm/test/tools/sycl-post-link/spec-constants/DeprecatedFeautres/multiple-composite-usages-2.ll

@@ -1,6 +1,9 @@
 ; RUN: sycl-post-link -spec-const=rt --ir-output-only %s -S -o - \
 ; RUN: | FileCheck %s --implicit-check-not "call {{.*}} __sycl_getCompositeSpecConstantValue"
 ;
+; RUN: sycl-post-link -spec-const=rt --ir-output-only -reduce-memory-usage=true %s -S -o - \
+; RUN: | FileCheck %s --implicit-check-not "call {{.*}} __sycl_getCompositeSpecConstantValue"
+;
 ; This test is intended to check that sycl-post-link tool is capable of handling
 ; situations when the same composite specialization constants is used more than
 ; once. Unlike multiple-composite-spec-const-usages.ll test, this is a real life

llvm/test/tools/sycl-post-link/spec-constants/DeprecatedFeautres/multiple-composite-usages.ll

@@ -1,6 +1,9 @@
 ; RUN: sycl-post-link -spec-const=rt --ir-output-only %s -S -o - \
 ; RUN: | FileCheck %s --implicit-check-not "call {{.*}} __sycl_getCompositeSpecConstantValue"
 ;
+; RUN: sycl-post-link -spec-const=rt --ir-output-only -reduce-memory-usage=true %s -S -o - \
+; RUN: | FileCheck %s --implicit-check-not "call {{.*}} __sycl_getCompositeSpecConstantValue"
+;
 ; This test is intended to check that sycl-post-link tool is capable of handling
 ; situations when the same composite specialization constants is used more than
 ; once

llvm/test/tools/sycl-post-link/spec-constants/DeprecatedFeautres/multiple-scalar-usages.ll

@@ -5,6 +5,9 @@
 ; RUN: sycl-post-link -spec-const=rt --ir-output-only %s -S -o - \
 ; RUN: | FileCheck %s
 
+; RUN: sycl-post-link -spec-const=rt --ir-output-only -reduce-memory-usage=true %s -S -o - \
+; RUN: | FileCheck %s
+
 target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024"
 target triple = "spir64-unknown-unknown"
 

llvm/test/tools/sycl-post-link/spec-constants/DeprecatedFeautres/multiple-sym-id-usages.ll

@@ -3,6 +3,8 @@
 
 ; RUN: sycl-post-link -spec-const=rt --ir-output-only %s -S -o %t.ll
 
+; RUN: sycl-post-link -spec-const=rt --ir-output-only -reduce-memory-usage=true %s -S -o %t-red.ll
+
 target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024"
 target triple = "spir64-unknown-unknown"
 

llvm/test/tools/sycl-post-link/spec-constants/DeprecatedFeautres/scalar-O0.ll

@@ -3,6 +3,11 @@
 ; RUN: sycl-post-link --ir-output-only -spec-const=rt %s -S -o - | \
 ; RUN:   FileCheck %s -check-prefixes=CHECK,CHECK-RT
 
+; RUN: sycl-post-link --ir-output-only -spec-const=default -reduce-memory-usage=true %s -S -o - | \
+; RUN:   FileCheck %s -check-prefixes=CHECK,CHECK-DEF
+; RUN: sycl-post-link --ir-output-only -spec-const=rt -reduce-memory-usage=true %s -S -o - | \
+; RUN:   FileCheck %s -check-prefixes=CHECK,CHECK-RT
+
 ; This test checks that the post link tool is able to correctly transform
 ; specialization constant intrinsics in an unoptimized device code compiled