diff options
Diffstat (limited to 'test/CodeGen/PowerPC/ppc64-icbt-pwr7.ll')
| -rw-r--r-- | test/CodeGen/PowerPC/ppc64-icbt-pwr7.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/ppc64-icbt-pwr7.ll b/test/CodeGen/PowerPC/ppc64-icbt-pwr7.ll new file mode 100644 index 0000000..e8617cc --- /dev/null +++ b/test/CodeGen/PowerPC/ppc64-icbt-pwr7.ll @@ -0,0 +1,19 @@ +; Test the ICBT instruction is not emitted on POWER7 +; Based on the ppc64-prefetch.ll test +; RUN: not llc -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 < %s 2>&1 | FileCheck %s + +declare void @llvm.prefetch(i8*, i32, i32, i32) + +define void @test(i8* %a, ...) nounwind { +entry: + call void @llvm.prefetch(i8* %a, i32 0, i32 3, i32 0) + ret void + +; FIXME: Crashing is not really the correct behavior here, we really should just emit nothing +; CHECK: Cannot select: 0x{{[0-9,a-f]+}}: ch = Prefetch +; CHECK: 0x{{[0-9,a-f]+}}: i32 = Constant<0> +; CHECK-NEXT: 0x{{[0-9,a-f]+}}: i32 = Constant<3> +; CHECK-NEXT: 0x{{[0-9,a-f]+}}: i32 = Constant<0> + +} + |