201 lines
6.4 KiB
LLVM
201 lines
6.4 KiB
LLVM
; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG %s -check-prefix=FUNC
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; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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; mul24 and mad24 are affected
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; FUNC-LABEL: {{^}}test_mul_v2i32:
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; EG: MULLO_INT {{\*? *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
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; EG: MULLO_INT {{\*? *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
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; SI: v_mul_lo_i32 v{{[0-9]+, v[0-9]+, v[0-9]+}}
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; SI: v_mul_lo_i32 v{{[0-9]+, v[0-9]+, v[0-9]+}}
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define void @test_mul_v2i32(<2 x i32> addrspace(1)* %out, <2 x i32> addrspace(1)* %in) {
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%b_ptr = getelementptr <2 x i32>, <2 x i32> addrspace(1)* %in, i32 1
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%a = load <2 x i32>, <2 x i32> addrspace(1) * %in
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%b = load <2 x i32>, <2 x i32> addrspace(1) * %b_ptr
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%result = mul <2 x i32> %a, %b
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store <2 x i32> %result, <2 x i32> addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}v_mul_v4i32:
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; EG: MULLO_INT {{\*? *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
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; EG: MULLO_INT {{\*? *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
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; EG: MULLO_INT {{\*? *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
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; EG: MULLO_INT {{\*? *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
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; SI: v_mul_lo_i32 v{{[0-9]+, v[0-9]+, v[0-9]+}}
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; SI: v_mul_lo_i32 v{{[0-9]+, v[0-9]+, v[0-9]+}}
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; SI: v_mul_lo_i32 v{{[0-9]+, v[0-9]+, v[0-9]+}}
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; SI: v_mul_lo_i32 v{{[0-9]+, v[0-9]+, v[0-9]+}}
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define void @v_mul_v4i32(<4 x i32> addrspace(1)* %out, <4 x i32> addrspace(1)* %in) {
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%b_ptr = getelementptr <4 x i32>, <4 x i32> addrspace(1)* %in, i32 1
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%a = load <4 x i32>, <4 x i32> addrspace(1) * %in
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%b = load <4 x i32>, <4 x i32> addrspace(1) * %b_ptr
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%result = mul <4 x i32> %a, %b
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store <4 x i32> %result, <4 x i32> addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}s_trunc_i64_mul_to_i32:
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; SI: s_load_dword
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; SI: s_load_dword
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; SI: s_mul_i32
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; SI: buffer_store_dword
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define void @s_trunc_i64_mul_to_i32(i32 addrspace(1)* %out, i64 %a, i64 %b) {
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%mul = mul i64 %b, %a
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%trunc = trunc i64 %mul to i32
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store i32 %trunc, i32 addrspace(1)* %out, align 8
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ret void
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}
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; FUNC-LABEL: {{^}}v_trunc_i64_mul_to_i32:
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; SI: s_load_dword
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; SI: s_load_dword
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; SI: v_mul_lo_i32
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; SI: buffer_store_dword
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define void @v_trunc_i64_mul_to_i32(i32 addrspace(1)* %out, i64 addrspace(1)* %aptr, i64 addrspace(1)* %bptr) nounwind {
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%a = load i64, i64 addrspace(1)* %aptr, align 8
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%b = load i64, i64 addrspace(1)* %bptr, align 8
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%mul = mul i64 %b, %a
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%trunc = trunc i64 %mul to i32
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store i32 %trunc, i32 addrspace(1)* %out, align 8
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ret void
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}
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; This 64-bit multiply should just use MUL_HI and MUL_LO, since the top
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; 32-bits of both arguments are sign bits.
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; FUNC-LABEL: {{^}}mul64_sext_c:
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; EG-DAG: MULLO_INT
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; EG-DAG: MULHI_INT
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; SI-DAG: s_mul_i32
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; SI-DAG: v_mul_hi_i32
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define void @mul64_sext_c(i64 addrspace(1)* %out, i32 %in) {
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entry:
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%0 = sext i32 %in to i64
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%1 = mul i64 %0, 80
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store i64 %1, i64 addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}v_mul64_sext_c:
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; EG-DAG: MULLO_INT
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; EG-DAG: MULHI_INT
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; SI-DAG: v_mul_lo_i32
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; SI-DAG: v_mul_hi_i32
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; SI: s_endpgm
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define void @v_mul64_sext_c(i64 addrspace(1)* %out, i32 addrspace(1)* %in) {
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%val = load i32, i32 addrspace(1)* %in, align 4
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%ext = sext i32 %val to i64
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%mul = mul i64 %ext, 80
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store i64 %mul, i64 addrspace(1)* %out, align 8
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ret void
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}
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; FUNC-LABEL: {{^}}v_mul64_sext_inline_imm:
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; SI-DAG: v_mul_lo_i32 v{{[0-9]+}}, 9, v{{[0-9]+}}
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; SI-DAG: v_mul_hi_i32 v{{[0-9]+}}, 9, v{{[0-9]+}}
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; SI: s_endpgm
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define void @v_mul64_sext_inline_imm(i64 addrspace(1)* %out, i32 addrspace(1)* %in) {
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%val = load i32, i32 addrspace(1)* %in, align 4
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%ext = sext i32 %val to i64
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%mul = mul i64 %ext, 9
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store i64 %mul, i64 addrspace(1)* %out, align 8
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ret void
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}
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; FUNC-LABEL: {{^}}s_mul_i32:
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; SI: s_load_dword [[SRC0:s[0-9]+]],
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; SI: s_load_dword [[SRC1:s[0-9]+]],
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; SI: s_mul_i32 [[SRESULT:s[0-9]+]], [[SRC0]], [[SRC1]]
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; SI: v_mov_b32_e32 [[VRESULT:v[0-9]+]], [[SRESULT]]
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; SI: buffer_store_dword [[VRESULT]],
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; SI: s_endpgm
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define void @s_mul_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) nounwind {
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%mul = mul i32 %a, %b
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store i32 %mul, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}v_mul_i32:
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; SI: v_mul_lo_i32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
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define void @v_mul_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
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%b_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
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%a = load i32, i32 addrspace(1)* %in
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%b = load i32, i32 addrspace(1)* %b_ptr
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%result = mul i32 %a, %b
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store i32 %result, i32 addrspace(1)* %out
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ret void
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}
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; A standard 64-bit multiply. The expansion should be around 6 instructions.
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; It would be difficult to match the expansion correctly without writing
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; a really complicated list of FileCheck expressions. I don't want
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; to confuse people who may 'break' this test with a correct optimization,
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; so this test just uses FUNC-LABEL to make sure the compiler does not
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; crash with a 'failed to select' error.
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; FUNC-LABEL: {{^}}s_mul_i64:
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define void @s_mul_i64(i64 addrspace(1)* %out, i64 %a, i64 %b) nounwind {
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%mul = mul i64 %a, %b
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store i64 %mul, i64 addrspace(1)* %out, align 8
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ret void
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}
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; FUNC-LABEL: {{^}}v_mul_i64:
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; SI: v_mul_lo_i32
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define void @v_mul_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %aptr, i64 addrspace(1)* %bptr) {
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%a = load i64, i64 addrspace(1)* %aptr, align 8
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%b = load i64, i64 addrspace(1)* %bptr, align 8
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%mul = mul i64 %a, %b
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store i64 %mul, i64 addrspace(1)* %out, align 8
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ret void
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}
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; FUNC-LABEL: {{^}}mul32_in_branch:
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; SI: s_mul_i32
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define void @mul32_in_branch(i32 addrspace(1)* %out, i32 addrspace(1)* %in, i32 %a, i32 %b, i32 %c) {
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entry:
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%0 = icmp eq i32 %a, 0
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br i1 %0, label %if, label %else
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if:
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%1 = load i32, i32 addrspace(1)* %in
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br label %endif
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else:
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%2 = mul i32 %a, %b
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br label %endif
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endif:
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%3 = phi i32 [%1, %if], [%2, %else]
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store i32 %3, i32 addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}mul64_in_branch:
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; SI-DAG: s_mul_i32
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; SI-DAG: v_mul_hi_u32
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; SI: s_endpgm
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define void @mul64_in_branch(i64 addrspace(1)* %out, i64 addrspace(1)* %in, i64 %a, i64 %b, i64 %c) {
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entry:
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%0 = icmp eq i64 %a, 0
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br i1 %0, label %if, label %else
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if:
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%1 = load i64, i64 addrspace(1)* %in
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br label %endif
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else:
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%2 = mul i64 %a, %b
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br label %endif
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endif:
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%3 = phi i64 [%1, %if], [%2, %else]
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store i64 %3, i64 addrspace(1)* %out
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ret void
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}
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