| ; RUN: llvm-upgrade < %s | llvm-as -f -o %t.bc |
| ; RUN: lli %t.bc > /dev/null |
| |
| ; This testcase exposes a bug in the local register allocator where it runs out |
| ; of registers (due to too many overlapping live ranges), but then attempts to |
| ; use the ESP register (which is not allocatable) to hold a value. |
| |
| int %main(uint %A) { |
| %Ap2 = alloca uint, uint %A ; ESP gets used again... |
| %B = add uint %A, 1 ; Produce lots of overlapping live ranges |
| %C = add uint %A, 2 |
| %D = add uint %A, 3 |
| %E = add uint %A, 4 |
| %F = add uint %A, 5 |
| %G = add uint %A, 6 |
| %H = add uint %A, 7 |
| %I = add uint %A, 8 |
| %J = add uint %A, 9 |
| %K = add uint %A, 10 |
| |
| store uint %A, uint *%Ap2 ; Uses of all of the values |
| store uint %B, uint *%Ap2 |
| store uint %C, uint *%Ap2 |
| store uint %D, uint *%Ap2 |
| store uint %E, uint *%Ap2 |
| store uint %F, uint *%Ap2 |
| store uint %G, uint *%Ap2 |
| store uint %H, uint *%Ap2 |
| store uint %I, uint *%Ap2 |
| store uint %J, uint *%Ap2 |
| store uint %K, uint *%Ap2 |
| ret int 0 |
| } |
