1 ; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s --check-prefix=EG --check-prefix=FUNC
2 ; RUN: llc < %s -march=r600 -mcpu=cayman | FileCheck %s --check-prefix=CM --check-prefix=FUNC
3 ; RUN: llc < %s -march=r600 -mcpu=SI -verify-machineinstrs | FileCheck %s --check-prefix=SI --check-prefix=FUNC
5 ; FUNC-LABEL: @i32_mul24
6 ; Signed 24-bit multiply is not supported on pre-Cayman GPUs.
8 ; Make sure we are not masking the inputs
13 define void @i32_mul24(i32 addrspace(1)* %out, i32 %a, i32 %b) {
16 %a_24 = ashr i32 %0, 8
18 %b_24 = ashr i32 %1, 8
19 %2 = mul i32 %a_24, %b_24
20 store i32 %2, i32 addrspace(1)* %out