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ce0f9aef12
The fast register allocator is not supposed to work in the optimizing pipeline. It doesn't make sense to compute live intervals, run full copy coalescing, and then run RAFast. Fast register allocation in the optimizing pipeline is better done by RABasic. llvm-svn: 158242
16 lines
725 B
LLVM
16 lines
725 B
LLVM
; RUN: not llc -march x86 -regalloc=fast -optimize-regalloc=0 < %s 2> %t1
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; RUN: not llc -march x86 -regalloc=basic < %s 2> %t2
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; RUN: not llc -march x86 -regalloc=greedy < %s 2> %t3
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; RUN: FileCheck %s < %t1
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; RUN: FileCheck %s < %t2
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; RUN: FileCheck %s < %t3
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; The register allocator must fail on this function.
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; CHECK: error: ran out of registers during register allocation
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define void @f(i32 %x0, i32 %x1, i32 %x2, i32 %x3, i32 %x4, i32 %x5, i32 %x6, i32 %x7, i32 %x8, i32 %x9) nounwind ssp {
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entry:
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tail call void asm sideeffect "hello world", "r,r,r,r,r,r,r,r,r,r,~{dirflag},~{fpsr},~{flags}"(i32 %x0, i32 %x1, i32 %x2, i32 %x3, i32 %x4, i32 %x5, i32 %x6, i32 %x7, i32 %x8, i32 %x9) nounwind
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ret void
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}
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