[smoke] Replace deprecated -fopenmp-target-ignore-env-vars flag

Update 27 tests (19 smoke, 8 smoke-limbo) to use replacement flags
for specialized kernel generation. The -fopenmp-target-ignore-env-vars
flag is removed from ROCm/llvm-project (PR #1698) as it had no codegen
implementation and represented a deprecated approach.

Replaced with -fopenmp-assume-teams-oversubscription and
-fopenmp-assume-threads-oversubscription, which provide equivalent
functionality by indicating that the runtime can ignore environment
variables for thread/team configuration, enabling no-loop and
xteam-reduction kernel optimizations.

Author: nicebert

test/smoke-limbo/no-loop-1/Makefile

@@ -8,7 +8,7 @@ RUNENV      += LIBOMPTARGET_KERNEL_TRACE=1
 
 RUNCMD      = ./$(TESTNAME) 2>&1 | $(FILECHECK) $(TESTSRC_MAIN)
 
-CFLAGS       += -fopenmp-target-ignore-env-vars -fopenmp-assume-no-nested-parallelism -fopenmp-assume-no-thread-state
+CFLAGS       += -fopenmp-assume-teams-oversubscription -fopenmp-assume-threads-oversubscription -fopenmp-assume-no-nested-parallelism -fopenmp-assume-no-thread-state
 CLANG        = clang
 OMP_BIN      = $(AOMP)/bin/$(CLANG)
 CC           = $(OMP_BIN) $(VERBOSE)

test/smoke-limbo/no-loop-4/Makefile

@@ -8,7 +8,7 @@ RUNENV      += LIBOMPTARGET_KERNEL_TRACE=1
 
 RUNCMD      = ./$(TESTNAME) 2>&1 | $(FILECHECK) $(TESTSRC_MAIN)
 
-CFLAGS       += -fopenmp-target-fast -fno-openmp-target-ignore-env-vars
+CFLAGS       += -fopenmp-target-fast 
 CLANG        = clang
 OMP_BIN      = $(AOMP)/bin/$(CLANG)
 CC           = $(OMP_BIN) $(VERBOSE)

test/smoke-limbo/no-loop-7/Makefile

@@ -8,7 +8,7 @@ RUNENV      += LIBOMPTARGET_KERNEL_TRACE=1
 
 RUNCMD      = ./$(TESTNAME) 2>&1 | $(FILECHECK) $(TESTSRC_MAIN)
 
-CFLAGS       += -O3 -fno-openmp-target-ignore-env-vars -fopenmp-target-fast
+CFLAGS       += -O3  -fopenmp-target-fast
 CLANG        = clang
 OMP_BIN      = $(AOMP)/bin/$(CLANG)
 CC           = $(OMP_BIN) $(VERBOSE)

test/smoke-limbo/no-loop-threads/Makefile

@@ -8,7 +8,7 @@ RUNENV      += LIBOMPTARGET_KERNEL_TRACE=1
 
 RUNCMD      = ./$(TESTNAME) 2>&1 | $(FILECHECK) $(TESTSRC_MAIN)
 
-CFLAGS       += -fopenmp-target-ignore-env-vars -fopenmp-assume-no-nested-parallelism -fopenmp-assume-no-thread-state
+CFLAGS       += -fopenmp-assume-teams-oversubscription -fopenmp-assume-threads-oversubscription -fopenmp-assume-no-nested-parallelism -fopenmp-assume-no-thread-state
 CLANG        = clang
 OMP_BIN      = $(AOMP)/bin/$(CLANG)
 CC           = $(OMP_BIN) $(VERBOSE)

test/smoke-limbo/opt-kernel-global-iv/Makefile

@@ -8,7 +8,7 @@ RUNENV      += LIBOMPTARGET_KERNEL_TRACE=1
 
 RUNCMD      = ./$(TESTNAME) 2>&1 | $(FILECHECK) $(TESTSRC_MAIN)
 
-CFLAGS       += -fopenmp-target-ignore-env-vars -fopenmp-assume-no-nested-parallelism -fopenmp-assume-no-thread-state
+CFLAGS       += -fopenmp-assume-teams-oversubscription -fopenmp-assume-threads-oversubscription -fopenmp-assume-no-nested-parallelism -fopenmp-assume-no-thread-state
 CLANG        = clang
 OMP_BIN      = $(AOMP)/bin/$(CLANG)
 CC           = $(OMP_BIN) $(VERBOSE)

test/smoke-limbo/opt-kernel-inner-pragma-1/Makefile

@@ -8,7 +8,7 @@ RUNENV      += LIBOMPTARGET_KERNEL_TRACE=1
 
 RUNCMD      = ./$(TESTNAME) 2>&1 | $(FILECHECK) $(TESTSRC_MAIN)
 
-CFLAGS       += -fopenmp-target-ignore-env-vars -fopenmp-assume-no-nested-parallelism -fopenmp-assume-no-thread-state
+CFLAGS       += -fopenmp-assume-teams-oversubscription -fopenmp-assume-threads-oversubscription -fopenmp-assume-no-nested-parallelism -fopenmp-assume-no-thread-state
 CLANG        = clang
 OMP_BIN      = $(AOMP)/bin/$(CLANG)
 CC           = $(OMP_BIN) $(VERBOSE)

test/smoke-limbo/xteam-red-4/Makefile

@@ -8,7 +8,7 @@ RUNENV      += LIBOMPTARGET_KERNEL_TRACE=1
 
 RUNCMD      = ./$(TESTNAME) 2>&1 | $(FILECHECK) $(TESTSRC_MAIN)
 
-CFLAGS       += -fopenmp-target-ignore-env-vars -fopenmp-assume-no-nested-parallelism -fopenmp-assume-no-thread-state
+CFLAGS       += -fopenmp-assume-teams-oversubscription -fopenmp-assume-threads-oversubscription -fopenmp-assume-no-nested-parallelism -fopenmp-assume-no-thread-state
 CLANG        = clang
 OMP_BIN      = $(AOMP)/bin/$(CLANG)
 CC           = $(OMP_BIN) $(VERBOSE)

test/smoke-limbo/xteam-red-fast-1/Makefile

@@ -8,7 +8,7 @@ RUNENV      += LIBOMPTARGET_KERNEL_TRACE=1
 
 RUNCMD      = ./$(TESTNAME) 2>&1 | $(FILECHECK) $(TESTSRC_MAIN)
 
-CFLAGS       += -fopenmp-target-ignore-env-vars -fopenmp-target-fast-reduction
+CFLAGS       += -fopenmp-assume-teams-oversubscription -fopenmp-assume-threads-oversubscription -fopenmp-target-fast-reduction
 CLANG        = clang
 OMP_BIN      = $(AOMP)/bin/$(CLANG)
 CC           = $(OMP_BIN) $(VERBOSE)

test/smoke/c-heatx/Makefile

@@ -5,7 +5,7 @@ TESTSRC_MAIN = c-heatx.c
 TESTSRC_AUX  =
 TESTSRC_ALL  = $(TESTSRC_MAIN) $(TESTSRC_AUX)
 
-CLANG        = clang -fopenmp-target-ignore-env-vars
+CLANG        = clang -fopenmp-assume-teams-oversubscription -fopenmp-assume-threads-oversubscription
 OMP_BIN      = $(AOMP)/bin/$(CLANG)
 CC           = $(OMP_BIN) $(VERBOSE)
 #-ccc-print-phases

test/smoke/collapse_parallel_spmd/Makefile

@@ -5,7 +5,7 @@ TESTSRC_MAIN = collapse_parallel_spmd.c
 TESTSRC_AUX  =
 TESTSRC_ALL  = $(TESTSRC_MAIN) $(TESTSRC_AUX)
 
-CFLAGS       += -O3 -fno-openmp-target-ignore-env-vars
+CFLAGS       += -O3 
 CLANG        ?= clang
 OMP_BIN      = $(AOMP)/bin/$(CLANG)
 CC           = $(OMP_BIN) $(VERBOSE)