20 lines
686 B
LLVM
20 lines
686 B
LLVM
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; Test the ICBT instruction is not emitted on POWER7
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; Based on the ppc64-prefetch.ll test
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; RUN: not --crash llc -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 < %s 2>&1 | FileCheck %s
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declare void @llvm.prefetch(i8*, i32, i32, i32)
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define void @test(i8* %a, ...) nounwind {
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entry:
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call void @llvm.prefetch(i8* %a, i32 0, i32 3, i32 0)
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ret void
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; FIXME: Crashing is not really the correct behavior here, we really should just emit nothing
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; CHECK: Cannot select: {{0x[0-9,a-f]+|t[0-9]+}}: ch = Prefetch
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; CHECK: {{0x[0-9,a-f]+|t[0-9]+}}: i32 = Constant<0>
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; CHECK-NEXT: {{0x[0-9,a-f]+|t[0-9]+}}: i32 = Constant<3>
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; CHECK-NEXT: {{0x[0-9,a-f]+|t[0-9]+}}: i32 = Constant<0>
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}
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