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Diffstat (limited to 'llvm/test/CodeGen/ARM/mulhi.ll')
| -rw-r--r-- | llvm/test/CodeGen/ARM/mulhi.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/mulhi.ll b/llvm/test/CodeGen/ARM/mulhi.ll new file mode 100644 index 00000000000..2e8a65fc8cc --- /dev/null +++ b/llvm/test/CodeGen/ARM/mulhi.ll @@ -0,0 +1,23 @@ +; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm && +; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm -mattr=+v6 && +; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm -mattr=+v6 | grep smmul | wc -l | grep 1 && +; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm | grep umull | wc -l | grep 1 + +int %smulhi(int %x, int %y) { + %tmp = cast int %x to ulong ; <ulong> [#uses=1] + %tmp1 = cast int %y to ulong ; <ulong> [#uses=1] + %tmp2 = mul ulong %tmp1, %tmp ; <ulong> [#uses=1] + %tmp3 = shr ulong %tmp2, ubyte 32 ; <ulong> [#uses=1] + %tmp3 = cast ulong %tmp3 to int ; <int> [#uses=1] + ret int %tmp3 +} + +int %umulhi(uint %x, uint %y) { + %tmp = cast uint %x to ulong ; <ulong> [#uses=1] + %tmp1 = cast uint %y to ulong ; <ulong> [#uses=1] + %tmp2 = mul ulong %tmp1, %tmp ; <ulong> [#uses=1] + %tmp3 = shr ulong %tmp2, ubyte 32 ; <ulong> [#uses=1] + %tmp3 = cast ulong %tmp3 to int ; <int> [#uses=1] + ret int %tmp3 +} + |
