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llvm-6502/test/CodeGen/MBlaze/mul.ll
2010-10-21 03:57:26 +00:00

52 lines
1.2 KiB
LLVM

; 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=+mul | FileCheck -check-prefix=MUL %s
define i8 @test_i8(i8 %a, i8 %b) {
; FUN: test_i8:
; MUL: test_i8:
%tmp.1 = mul i8 %a, %b
; FUN-NOT: mul
; FUN: brlid
; MUL-NOT: brlid
ret i8 %tmp.1
; FUN: rtsd
; MUL: rtsd
; MUL: mul
}
define i16 @test_i16(i16 %a, i16 %b) {
; FUN: test_i16:
; MUL: test_i16:
%tmp.1 = mul i16 %a, %b
; FUN-NOT: mul
; FUN: brlid
; MUL-NOT: brlid
ret i16 %tmp.1
; FUN: rtsd
; MUL: rtsd
; MUL: mul
}
define i32 @test_i32(i32 %a, i32 %b) {
; FUN: test_i32:
; MUL: test_i32:
%tmp.1 = mul i32 %a, %b
; FUN-NOT: mul
; FUN: brlid
; MUL-NOT: brlid
ret i32 %tmp.1
; FUN: rtsd
; MUL: rtsd
; MUL: mul
}