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Diffstat (limited to 'test/CodeGen/MBlaze/div.ll')
| -rw-r--r-- | test/CodeGen/MBlaze/div.ll | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/test/CodeGen/MBlaze/div.ll b/test/CodeGen/MBlaze/div.ll new file mode 100644 index 000000000000..fae9830619d9 --- /dev/null +++ b/test/CodeGen/MBlaze/div.ll @@ -0,0 +1,75 @@ +; Ensure that multiplication is lowered to function calls when the multiplier +; unit is not available in the hardware and that function calls are not used +; when the multiplier unit is available in the hardware. +; +; RUN: llc < %s -march=mblaze | FileCheck -check-prefix=FUN %s +; RUN: llc < %s -march=mblaze -mattr=+div | FileCheck -check-prefix=DIV %s + +define i8 @test_i8(i8 %a, i8 %b) { + ; FUN: test_i8: + ; DIV: test_i8: + + %tmp.1 = udiv i8 %a, %b + ; FUN-NOT: idiv + ; FUN: brlid + ; DIV-NOT: brlid + ; DIV: idivu + + %tmp.2 = sdiv i8 %a, %b + ; FUN-NOT: idiv + ; FUN: brlid + ; DIV-NOT: brlid + ; DIV-NOT: idivu + ; DIV: idiv + + %tmp.3 = add i8 %tmp.1, %tmp.2 + ret i8 %tmp.3 + ; FUN: rtsd + ; DIV: rtsd +} + +define i16 @test_i16(i16 %a, i16 %b) { + ; FUN: test_i16: + ; DIV: test_i16: + + %tmp.1 = udiv i16 %a, %b + ; FUN-NOT: idiv + ; FUN: brlid + ; DIV-NOT: brlid + ; DIV: idivu + + %tmp.2 = sdiv i16 %a, %b + ; FUN-NOT: idiv + ; FUN: brlid + ; DIV-NOT: brlid + ; DIV-NOT: idivu + ; DIV: idiv + + %tmp.3 = add i16 %tmp.1, %tmp.2 + ret i16 %tmp.3 + ; FUN: rtsd + ; DIV: rtsd +} + +define i32 @test_i32(i32 %a, i32 %b) { + ; FUN: test_i32: + ; DIV: test_i32: + + %tmp.1 = udiv i32 %a, %b + ; FUN-NOT: idiv + ; FUN: brlid + ; DIV-NOT: brlid + ; DIV: idivu + + %tmp.2 = sdiv i32 %a, %b + ; FUN-NOT: idiv + ; FUN: brlid + ; DIV-NOT: brlid + ; DIV-NOT: idivu + ; DIV: idiv + + %tmp.3 = add i32 %tmp.1, %tmp.2 + ret i32 %tmp.3 + ; FUN: rtsd + ; DIV: rtsd +} |