diff options
Diffstat (limited to 'old/llvmtests/README')
| -rw-r--r-- | old/llvmtests/README | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/old/llvmtests/README b/old/llvmtests/README index 8de04b8..6755a79 100644 --- a/old/llvmtests/README +++ b/old/llvmtests/README @@ -1,5 +1,25 @@ -clang -o hello.l -I../../include/wolf -Os -S -emit-llvm hello.c -opt -S hello.s > hello-opt.s -xxdiff hello.s hello-opt.s -llc -O0 hello.l -march=x86-64 -p hello-amd64.s -llc -O0 hello.l -march=mipsel -o hello-mipsel.s +# generate LLVM IR +clang -o hello.l -O0 -S -emit-llvm hello.c +clang --target=x86_64-pc-linux-gnu -o hello-x86_64.l -O0 -S -emit-llvm hello.c +clang --target=i386-pc-linux-gnu -o hello-i386.l -O0 -S -emit-llvm hello.c +clang --target=aarch64-unknown-linux-gui -o hello-aarch64.l -O0 -S -emit-llvm hello.c + +# optimize and compare +opt -S hello.l > hello-opt.l +xxdiff hello.l hello-opt.l + +# run LLVM code in interpreter +lli hello.l + +# generate native assembler +llc -O0 hello.l -o hello.s +llc -O0 hello-x86_64.l -march=x86-64 -o hello-amd64.s +llc -O0 hello-i386.l -march=i386 -o hello-i386.s +llc -O0 hello-aarch64.l -march=aarch64 -o hello-aarch64.s + +# cross toolchains needed for i386 and aarch64 +as -o hello.o hello.s +gcc -o hello hello.o + +# TBD +gcc -fverbose-asm -Os -S -o hello.s hello.c |