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101 lines
3.2 KiB
Plaintext
101 lines
3.2 KiB
Plaintext
# This file defines a tcl proc to assist with testing the llvm2cpp. There are
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# no llvm2cpp specific test cases. Instead, it utilizes all the existing test
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# cases and makes sure llvm2cpp can run them. The basic idea is that we find
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# all the LLVM Assembly (*.ll) files, run llvm2cpp on them to generate a C++
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# program, compile those programs, run them and see if what they produce matches
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# the original input to llvm2cpp.
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proc llvm2cpp-test { files } {
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global subdir llvmtoolsdir llvmlibsdir objdir srcdir objroot srcroot
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set timeout 30
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set path [file join $objdir $subdir]
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set llc [file join $llvmtoolsdir llc ]
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set llvmas [file join $llvmtoolsdir llvm-as ]
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set llvmdis [file join $llvmtoolsdir llvm-dis ]
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#Make Output Directory if it does not exist already
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if { [file exists path] } {
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cd $path
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} else {
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file mkdir $path
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cd $path
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}
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file mkdir Output
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foreach test $files {
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set filename [file tail $test]
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set generated [file join Output $filename.cpp]
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set executable [file join Output $filename.exe]
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set output [file join Output $filename.gen]
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set assembly [file join Output $filename.asm]
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set testname [file rootname $filename]
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set bytecode [file join Output $filename.bc]
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# Note that the stderr for llvm-as, etc. must be redirected to /dev/null
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# because otherwise exec will see the msgs and return 1 even though they
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# are only warnings. If real errors are generated on stderr then llvm-as
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# will return a non-zero retval anyway so we're good.
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# Scan the test file to see if there's an XFAIL file. If so, don't run it
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set retval [ catch {
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exec -keepnewline grep XFAIL $test 2>/dev/null } msg ]
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if { $retval == 0 } {
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continue;
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}
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# Run llvm-as/llvm-dis
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set pipeline llvm-as|llvm-dis
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set retval [ catch {
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exec -keepnewline $llvmas < $test -o - | $llvmdis -f -o $assembly 2>/dev/null } msg ]
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if { $retval != 0 } {
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fail "$test: $pipeline returned $retval\n$msg"
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continue
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}
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# Build bytecode for llvm2cpp input
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set retval [ catch {
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exec -keepnewline $llvmas < $assembly > $bytecode 2>/dev/null } msg ]
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if { $retval != 0 } {
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fail "$test: llvm-as returned $retval\n$msg"
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continue
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}
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set retval [ catch {
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exec -keepnewline $llc -march=cpp -f -o $generated < $bytecode 2>/dev/null } msg]
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if { $retval != 0 } {
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fail "$test: llvm2cpp returned $retval\n$msg"
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continue
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}
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set retval [ catch {
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exec -keepnewline gcc -g -D__STDC_LIMIT_MACROS -o $executable $generated -I$srcroot/include -I$objroot/include -L$llvmlibsdir -lLLVMCore -lLLVMSupport -lLLVMbzip2 -lLLVMSystem -lstdc++ } msg ]
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if { $retval != 0 } {
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fail "$test: gcc returned $retval\n$msg"
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continue
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}
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set retval [ catch { exec -keepnewline $executable > $output } msg ]
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if { $retval != 0 } {
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set execname [file tail $executable]
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fail "$test: $execname returned $retval:\n$msg"
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continue
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}
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set retval [ catch {
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exec -keepnewline diff $assembly $output } msg ]
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if { $retval != 0 } {
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fail "$test: diff returned $retval:\n$msg"
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continue
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}
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pass "$test"
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}
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}
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