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llvm-mirror/test/CodeGen/CellSPU/jumptable.ll
Kalle Raiskila 2001fd19b9 Mark the SPU 'lr' instruction to never have side effects.
This allows the fast regiser allocator to remove redundant 
register moves.
Update a set of tests that depend on the register allocator
to be linear scan. 

llvm-svn: 106420
2010-06-21 15:08:16 +00:00

22 lines
501 B
LLVM

;RUN: llc --march=cellspu %s -o - | FileCheck %s
; This is to check that emitting jumptables doesn't crash llc
define i32 @test(i32 %param) {
entry:
;CHECK: ai {{\$.}}, $3, -1
;CHECK: clgti {{\$., \$.}}, 3
;CHECK: brnz {{\$.}},.LBB0_2
switch i32 %param, label %bb1 [
i32 1, label %bb3
i32 2, label %bb2
i32 3, label %bb3
i32 4, label %bb1
]
bb1:
ret i32 1
bb2:
ret i32 2
bb3:
ret i32 3
}