diff options
Diffstat (limited to 'test/CodeGen/R600/sdiv.ll')
-rw-r--r-- | test/CodeGen/R600/sdiv.ll | 90 |
1 files changed, 86 insertions, 4 deletions
diff --git a/test/CodeGen/R600/sdiv.ll b/test/CodeGen/R600/sdiv.ll index 3dd10c8..e922d5c 100644 --- a/test/CodeGen/R600/sdiv.ll +++ b/test/CodeGen/R600/sdiv.ll @@ -1,4 +1,5 @@ -; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s +; RUN: llc -march=r600 -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s +; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s ; The code generated by sdiv is long and complex and may frequently change. ; The goal of this test is to make sure the ISel doesn't fail. @@ -9,9 +10,9 @@ ; This was fixed by adding an additional pattern in R600Instructions.td to ; match this pattern with a CNDGE_INT. -; CHECK: CF_END - -define void @test(i32 addrspace(1)* %out, i32 addrspace(1)* %in) { +; FUNC-LABEL: @sdiv_i32 +; EG: CF_END +define void @sdiv_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) { %den_ptr = getelementptr i32 addrspace(1)* %in, i32 1 %num = load i32 addrspace(1) * %in %den = load i32 addrspace(1) * %den_ptr @@ -19,3 +20,84 @@ define void @test(i32 addrspace(1)* %out, i32 addrspace(1)* %in) { store i32 %result, i32 addrspace(1)* %out ret void } + +; FUNC-LABEL: @sdiv_i32_4 +define void @sdiv_i32_4(i32 addrspace(1)* %out, i32 addrspace(1)* %in) { + %num = load i32 addrspace(1) * %in + %result = sdiv i32 %num, 4 + store i32 %result, i32 addrspace(1)* %out + ret void +} + +; Multiply by a weird constant to make sure setIntDivIsCheap is +; working. + +; FUNC-LABEL: @slow_sdiv_i32_3435 +; SI: BUFFER_LOAD_DWORD [[VAL:v[0-9]+]], +; SI: V_MOV_B32_e32 [[MAGIC:v[0-9]+]], 0x98a1930b +; SI: V_MUL_HI_I32 [[TMP:v[0-9]+]], [[VAL]], [[MAGIC]] +; SI: V_ADD_I32 +; SI: V_LSHRREV_B32 +; SI: V_ASHRREV_I32 +; SI: V_ADD_I32 +; SI: BUFFER_STORE_DWORD +; SI: S_ENDPGM +define void @slow_sdiv_i32_3435(i32 addrspace(1)* %out, i32 addrspace(1)* %in) { + %num = load i32 addrspace(1) * %in + %result = sdiv i32 %num, 3435 + store i32 %result, i32 addrspace(1)* %out + ret void +} + +define void @sdiv_v2i32(<2 x i32> addrspace(1)* %out, <2 x i32> addrspace(1)* %in) { + %den_ptr = getelementptr <2 x i32> addrspace(1)* %in, i32 1 + %num = load <2 x i32> addrspace(1) * %in + %den = load <2 x i32> addrspace(1) * %den_ptr + %result = sdiv <2 x i32> %num, %den + store <2 x i32> %result, <2 x i32> addrspace(1)* %out + ret void +} + +define void @sdiv_v2i32_4(<2 x i32> addrspace(1)* %out, <2 x i32> addrspace(1)* %in) { + %num = load <2 x i32> addrspace(1) * %in + %result = sdiv <2 x i32> %num, <i32 4, i32 4> + store <2 x i32> %result, <2 x i32> addrspace(1)* %out + ret void +} + +define void @sdiv_v4i32(<4 x i32> addrspace(1)* %out, <4 x i32> addrspace(1)* %in) { + %den_ptr = getelementptr <4 x i32> addrspace(1)* %in, i32 1 + %num = load <4 x i32> addrspace(1) * %in + %den = load <4 x i32> addrspace(1) * %den_ptr + %result = sdiv <4 x i32> %num, %den + store <4 x i32> %result, <4 x i32> addrspace(1)* %out + ret void +} + +define void @sdiv_v4i32_4(<4 x i32> addrspace(1)* %out, <4 x i32> addrspace(1)* %in) { + %num = load <4 x i32> addrspace(1) * %in + %result = sdiv <4 x i32> %num, <i32 4, i32 4, i32 4, i32 4> + store <4 x i32> %result, <4 x i32> addrspace(1)* %out + ret void +} + +; Tests for 64-bit divide bypass. +; define void @test_get_quotient(i64 addrspace(1)* %out, i64 %a, i64 %b) nounwind { +; %result = sdiv i64 %a, %b +; store i64 %result, i64 addrspace(1)* %out, align 8 +; ret void +; } + +; define void @test_get_remainder(i64 addrspace(1)* %out, i64 %a, i64 %b) nounwind { +; %result = srem i64 %a, %b +; store i64 %result, i64 addrspace(1)* %out, align 8 +; ret void +; } + +; define void @test_get_quotient_and_remainder(i64 addrspace(1)* %out, i64 %a, i64 %b) nounwind { +; %resultdiv = sdiv i64 %a, %b +; %resultrem = srem i64 %a, %b +; %result = add i64 %resultdiv, %resultrem +; store i64 %result, i64 addrspace(1)* %out, align 8 +; ret void +; } |