mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-17 03:07:06 +00:00
46a2716910
- Also, switch tests to not using llvm-as. They run 20% faster now, not that it matters. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118952 91177308-0d34-0410-b5e6-96231b3b80d8
35 lines
1.1 KiB
LLVM
35 lines
1.1 KiB
LLVM
; RUN: lli %s > /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.
|
|
|
|
define i32 @main(i32 %A) {
|
|
; ESP gets used again...
|
|
%Ap2 = alloca i32, i32 %A ; <i32*> [#uses=11]
|
|
; Produce lots of overlapping live ranges
|
|
%B = add i32 %A, 1 ; <i32> [#uses=1]
|
|
%C = add i32 %A, 2 ; <i32> [#uses=1]
|
|
%D = add i32 %A, 3 ; <i32> [#uses=1]
|
|
%E = add i32 %A, 4 ; <i32> [#uses=1]
|
|
%F = add i32 %A, 5 ; <i32> [#uses=1]
|
|
%G = add i32 %A, 6 ; <i32> [#uses=1]
|
|
%H = add i32 %A, 7 ; <i32> [#uses=1]
|
|
%I = add i32 %A, 8 ; <i32> [#uses=1]
|
|
%J = add i32 %A, 9 ; <i32> [#uses=1]
|
|
%K = add i32 %A, 10 ; <i32> [#uses=1]
|
|
; Uses of all of the values
|
|
store i32 %A, i32* %Ap2
|
|
store i32 %B, i32* %Ap2
|
|
store i32 %C, i32* %Ap2
|
|
store i32 %D, i32* %Ap2
|
|
store i32 %E, i32* %Ap2
|
|
store i32 %F, i32* %Ap2
|
|
store i32 %G, i32* %Ap2
|
|
store i32 %H, i32* %Ap2
|
|
store i32 %I, i32* %Ap2
|
|
store i32 %J, i32* %Ap2
|
|
store i32 %K, i32* %Ap2
|
|
ret i32 0
|
|
}
|