1 ; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG %s -check-prefix=FUNC 2 ; RUN: llc -march=r600 -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s 3 4 ; mul24 and mad24 are affected 5 6 ; FUNC-LABEL: @test2 7 ; EG: MULLO_INT {{\*? *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}} 8 ; EG: MULLO_INT {{\*? *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}} 9 10 ; SI: V_MUL_LO_I32 v{{[0-9]+, v[0-9]+, v[0-9]+}} 11 ; SI: V_MUL_LO_I32 v{{[0-9]+, v[0-9]+, v[0-9]+}} 12 13 define void @test2(<2 x i32> addrspace(1)* %out, <2 x i32> addrspace(1)* %in) { 14 %b_ptr = getelementptr <2 x i32> addrspace(1)* %in, i32 1 15 %a = load <2 x i32> addrspace(1) * %in 16 %b = load <2 x i32> addrspace(1) * %b_ptr 17 %result = mul <2 x i32> %a, %b 18 store <2 x i32> %result, <2 x i32> addrspace(1)* %out 19 ret void 20 } 21 22 ; FUNC-LABEL: @test4 23 ; EG: MULLO_INT {{\*? *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}} 24 ; EG: MULLO_INT {{\*? *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}} 25 ; EG: MULLO_INT {{\*? *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}} 26 ; EG: MULLO_INT {{\*? *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}} 27 28 ; SI: V_MUL_LO_I32 v{{[0-9]+, v[0-9]+, v[0-9]+}} 29 ; SI: V_MUL_LO_I32 v{{[0-9]+, v[0-9]+, v[0-9]+}} 30 ; SI: V_MUL_LO_I32 v{{[0-9]+, v[0-9]+, v[0-9]+}} 31 ; SI: V_MUL_LO_I32 v{{[0-9]+, v[0-9]+, v[0-9]+}} 32 33 define void @test4(<4 x i32> addrspace(1)* %out, <4 x i32> addrspace(1)* %in) { 34 %b_ptr = getelementptr <4 x i32> addrspace(1)* %in, i32 1 35 %a = load <4 x i32> addrspace(1) * %in 36 %b = load <4 x i32> addrspace(1) * %b_ptr 37 %result = mul <4 x i32> %a, %b 38 store <4 x i32> %result, <4 x i32> addrspace(1)* %out 39 ret void 40 } 41 42 ; FUNC-LABEL: @trunc_i64_mul_to_i32 43 ; SI: S_LOAD_DWORD 44 ; SI: S_LOAD_DWORD 45 ; SI: V_MUL_LO_I32 46 ; SI: BUFFER_STORE_DWORD 47 define void @trunc_i64_mul_to_i32(i32 addrspace(1)* %out, i64 %a, i64 %b) { 48 %mul = mul i64 %b, %a 49 %trunc = trunc i64 %mul to i32 50 store i32 %trunc, i32 addrspace(1)* %out, align 8 51 ret void 52 } 53 54 ; This 64-bit multiply should just use MUL_HI and MUL_LO, since the top 55 ; 32-bits of both arguments are sign bits. 56 ; FUNC-LABEL: @mul64_sext_c 57 ; EG-DAG: MULLO_INT 58 ; EG-DAG: MULHI_INT 59 ; SI-DAG: V_MUL_LO_I32 60 ; SI-DAG: V_MUL_HI_I32 61 define void @mul64_sext_c(i64 addrspace(1)* %out, i32 %in) { 62 entry: 63 %0 = sext i32 %in to i64 64 %1 = mul i64 %0, 80 65 store i64 %1, i64 addrspace(1)* %out 66 ret void 67 } 68 69 ; A standard 64-bit multiply. The expansion should be around 6 instructions. 70 ; It would be difficult to match the expansion correctly without writing 71 ; a really complicated list of FileCheck expressions. I don't want 72 ; to confuse people who may 'break' this test with a correct optimization, 73 ; so this test just uses FUNC-LABEL to make sure the compiler does not 74 ; crash with a 'failed to select' error. 75 ; FUNC-LABEL: @mul64 76 define void @mul64(i64 addrspace(1)* %out, i64 %a, i64 %b) { 77 entry: 78 %0 = mul i64 %a, %b 79 store i64 %0, i64 addrspace(1)* %out 80 ret void 81 } 82
