blaise/vendor/qbe/test/_live.ssa
Graeme Geldenhuys 25de8be212 Fix compilation errors; vendor QBE 1.2; end-to-end Hello World works
Fix TProgram.Uses reserved-word clash (renamed to UsedUnits), nested
brace-comment in uParser.pas, and missing uAST in Blaise.pas uses clause.

Vendor QBE 1.2 source in vendor/qbe/ (built locally with make; binary
excluded via .gitignore). End-to-end pipeline confirmed: Blaise compiles
Hello World and Calc (6*7=42) to native x86_64 Linux binaries.

71/71 FPCUnit tests passing.
2026-04-20 16:38:57 +01:00

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# this control flow graph is irreducible
# yet, we expecet the liveness analysis
# to work properly and make %x live in
# the block @left
#
# nothing should ever be live at the entry
function $test() {
@start
%b =w copy 0
%x =w copy 10
jnz 0, @loop, @left
@left
jmp @inloop
@loop
%x1 =w add %x, 1
@inloop
%b1 =w add %b, 1
@endloop
jmp @loop
}