diff options
Diffstat (limited to 'llvm/test/Regression/LLC/spillccr.ll')
| -rw-r--r-- | llvm/test/Regression/LLC/spillccr.ll | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/llvm/test/Regression/LLC/spillccr.ll b/llvm/test/Regression/LLC/spillccr.ll new file mode 100644 index 00000000000..d34ea3fd3ed --- /dev/null +++ b/llvm/test/Regression/LLC/spillccr.ll @@ -0,0 +1,52 @@ +; July 6, 2002 -- LLC Regression test +; This test case checks if the integer CC register %xcc (or %ccr) +; is correctly spilled. The code fragment came from function +; MakeGraph in Olden-mst. +; The original code made all comparisons with 0, so that the %xcc +; register is not needed for the branch in the first basic block. +; Replace 0 with 1 in the first comparson so that the +; branch-on-register instruction cannot be used directly, i.e., +; the %xcc register is needed for the first branch. +; + %Graph = type %struct.graph_st* + %Hash = type %struct.hash* + %HashEntry = type %struct.hash_entry* + %Vertex = type %struct.vert_st* + %struct.graph_st = type { [1 x %Vertex] } + %struct.hash = type { %HashEntry*, int (uint)*, int } + %struct.hash_entry = type { uint, sbyte*, %HashEntry } + %struct.vert_st = type { int, %Vertex, %Hash } +%HashRange = internal uninitialized global int ; <int*> [#uses=1] +%.LC0 = internal global [13 x sbyte] c"Make phase 2\00" ; <[13 x sbyte]*> [#uses=1] +%.LC1 = internal global [13 x sbyte] c"Make phase 3\00" ; <[13 x sbyte]*> [#uses=1] +%.LC2 = internal global [13 x sbyte] c"Make phase 4\00" ; <[13 x sbyte]*> [#uses=1] +%.LC3 = internal global [15 x sbyte] c"Make returning\00" ; <[15 x sbyte]*> [#uses=1] + +implementation ; Functions: + +%Graph %MakeGraph(int %numvert, int %numproc) { +bb1: ;[#uses=1] + %reg111 = add int %numproc, -1 ; <int> [#uses=3] + %cond275 = setlt int %reg111, 1 ; <bool> [#uses=2] + %cond276 = setle int %reg111, 0 ; <bool> [#uses=1] + %cond277 = setge int %numvert, 0 ; <bool> [#uses=2] + %reg162 = add int %numvert, 3 ; <int> [#uses=2] + br bool %cond275, label %bb7, label %bb4 + +bb4: + br bool %cond276, label %bb7, label %bb5 + +bb5: + br bool %cond277, label %bb7, label %bb6 + +bb6: ;[#uses=2] + ret %Graph null + +bb7: ;[#uses=2] + ret %Graph null +} + +int %main(int argc, sbyte** argv) { +bb1: + %reg100 = call %struct.graph_st* (int, int)* %MakeGraph(1, 1) + |

