diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2013-12-22 00:04:03 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2013-12-22 00:04:03 +0000 |
| commit | f8af5cf600354830d4ccf59732403f0f073eccb9 (patch) | |
| tree | 2ba0398b4c42ad4f55561327538044fd2c925a8b /test/CodeGen/Mips/const-mult.ll | |
| parent | 59d6cff90eecf31cb3dd860c4e786674cfdd42eb (diff) | |
Diffstat (limited to 'test/CodeGen/Mips/const-mult.ll')
| -rw-r--r-- | test/CodeGen/Mips/const-mult.ll | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/const-mult.ll b/test/CodeGen/Mips/const-mult.ll new file mode 100644 index 0000000000000..8c0cbe3396b75 --- /dev/null +++ b/test/CodeGen/Mips/const-mult.ll @@ -0,0 +1,49 @@ +; RUN: llc -march=mipsel < %s | FileCheck %s -check-prefix=CHECK +; RUN: llc -march=mips64el -mcpu=mips64 < %s | FileCheck %s -check-prefix=CHECK +; RUN: llc -march=mips64el -mcpu=mips64 < %s | FileCheck %s -check-prefix=CHECK64 + +; CHECK-LABEL: mul5_32: +; CHECK: sll $[[R0:[0-9]+]], $4, 2 +; CHECK: addu ${{[0-9]+}}, $[[R0]], $4 + +define i32 @mul5_32(i32 %a) { +entry: + %mul = mul nsw i32 %a, 5 + ret i32 %mul +} + +; CHECK-LABEL: mul27_32: +; CHECK-DAG: sll $[[R0:[0-9]+]], $4, 2 +; CHECK-DAG: addu $[[R1:[0-9]+]], $[[R0]], $4 +; CHECK-DAG: sll $[[R2:[0-9]+]], $4, 5 +; CHECK: subu ${{[0-9]+}}, $[[R2]], $[[R1]] + +define i32 @mul27_32(i32 %a) { +entry: + %mul = mul nsw i32 %a, 27 + ret i32 %mul +} + +; CHECK-LABEL: muln2147483643_32: +; CHECK-DAG: sll $[[R0:[0-9]+]], $4, 2 +; CHECK-DAG: addu $[[R1:[0-9]+]], $[[R0]], $4 +; CHECK-DAG: sll $[[R2:[0-9]+]], $4, 31 +; CHECK: addu ${{[0-9]+}}, $[[R2]], $[[R1]] + +define i32 @muln2147483643_32(i32 %a) { +entry: + %mul = mul nsw i32 %a, -2147483643 + ret i32 %mul +} + +; CHECK64-LABEL: muln9223372036854775805_64: +; CHECK64-DAG: dsll $[[R0:[0-9]+]], $4, 1 +; CHECK64-DAG: daddu $[[R1:[0-9]+]], $[[R0]], $4 +; CHECK64-DAG: dsll $[[R2:[0-9]+]], $4, 63 +; CHECK64: daddu ${{[0-9]+}}, $[[R2]], $[[R1]] + +define i64 @muln9223372036854775805_64(i64 %a) { +entry: + %mul = mul nsw i64 %a, -9223372036854775805 + ret i64 %mul +} |