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llvm-6502/test/CodeGen/R600/sdivrem24.ll
Jan Vesely b40562c0ec R600: Use i24 optimized path for SREM 
v2: add tests
    rename LowerSDIV24 to LowerSDIVREM24
    handle the rem part in this function

Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215460 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-12 17:31:17 +00:00

239 lines
6.8 KiB
LLVM
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; 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
; FUNC-LABEL: @sdiv24_i8
; SI: V_CVT_F32_I32
; SI: V_CVT_F32_I32
; SI: V_RCP_F32
; SI: V_CVT_I32_F32
; EG: INT_TO_FLT
; EG-DAG: INT_TO_FLT
; EG-DAG: RECIP_IEEE
; EG: FLT_TO_INT
define void @sdiv24_i8(i8 addrspace(1)* %out, i8 addrspace(1)* %in) {
%den_ptr = getelementptr i8 addrspace(1)* %in, i8 1
%num = load i8 addrspace(1) * %in
%den = load i8 addrspace(1) * %den_ptr
%result = sdiv i8 %num, %den
store i8 %result, i8 addrspace(1)* %out
ret void
}
; FUNC-LABEL: @sdiv24_i16
; SI: V_CVT_F32_I32
; SI: V_CVT_F32_I32
; SI: V_RCP_F32
; SI: V_CVT_I32_F32
; EG: INT_TO_FLT
; EG-DAG: INT_TO_FLT
; EG-DAG: RECIP_IEEE
; EG: FLT_TO_INT
define void @sdiv24_i16(i16 addrspace(1)* %out, i16 addrspace(1)* %in) {
%den_ptr = getelementptr i16 addrspace(1)* %in, i16 1
%num = load i16 addrspace(1) * %in, align 2
%den = load i16 addrspace(1) * %den_ptr, align 2
%result = sdiv i16 %num, %den
store i16 %result, i16 addrspace(1)* %out, align 2
ret void
}
; FUNC-LABEL: @sdiv24_i32
; SI: V_CVT_F32_I32
; SI: V_CVT_F32_I32
; SI: V_RCP_F32
; SI: V_CVT_I32_F32
; EG: INT_TO_FLT
; EG-DAG: INT_TO_FLT
; EG-DAG: RECIP_IEEE
; EG: FLT_TO_INT
define void @sdiv24_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%den_ptr = getelementptr i32 addrspace(1)* %in, i32 1
%num = load i32 addrspace(1) * %in, align 4
%den = load i32 addrspace(1) * %den_ptr, align 4
%num.i24.0 = shl i32 %num, 8
%den.i24.0 = shl i32 %den, 8
%num.i24 = ashr i32 %num.i24.0, 8
%den.i24 = ashr i32 %den.i24.0, 8
%result = sdiv i32 %num.i24, %den.i24
store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @sdiv25_i32
; SI-NOT: V_CVT_F32_I32
; SI-NOT: V_RCP_F32
; EG-NOT: INT_TO_FLT
; EG-NOT: RECIP_IEEE
define void @sdiv25_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%den_ptr = getelementptr i32 addrspace(1)* %in, i32 1
%num = load i32 addrspace(1) * %in, align 4
%den = load i32 addrspace(1) * %den_ptr, align 4
%num.i24.0 = shl i32 %num, 7
%den.i24.0 = shl i32 %den, 7
%num.i24 = ashr i32 %num.i24.0, 7
%den.i24 = ashr i32 %den.i24.0, 7
%result = sdiv i32 %num.i24, %den.i24
store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @test_no_sdiv24_i32_1
; SI-NOT: V_CVT_F32_I32
; SI-NOT: V_RCP_F32
; EG-NOT: INT_TO_FLT
; EG-NOT: RECIP_IEEE
define void @test_no_sdiv24_i32_1(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%den_ptr = getelementptr i32 addrspace(1)* %in, i32 1
%num = load i32 addrspace(1) * %in, align 4
%den = load i32 addrspace(1) * %den_ptr, align 4
%num.i24.0 = shl i32 %num, 8
%den.i24.0 = shl i32 %den, 7
%num.i24 = ashr i32 %num.i24.0, 8
%den.i24 = ashr i32 %den.i24.0, 7
%result = sdiv i32 %num.i24, %den.i24
store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @test_no_sdiv24_i32_2
; SI-NOT: V_CVT_F32_I32
; SI-NOT: V_RCP_F32
; EG-NOT: INT_TO_FLT
; EG-NOT: RECIP_IEEE
define void @test_no_sdiv24_i32_2(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%den_ptr = getelementptr i32 addrspace(1)* %in, i32 1
%num = load i32 addrspace(1) * %in, align 4
%den = load i32 addrspace(1) * %den_ptr, align 4
%num.i24.0 = shl i32 %num, 7
%den.i24.0 = shl i32 %den, 8
%num.i24 = ashr i32 %num.i24.0, 7
%den.i24 = ashr i32 %den.i24.0, 8
%result = sdiv i32 %num.i24, %den.i24
store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @srem24_i8
; SI: V_CVT_F32_I32
; SI: V_CVT_F32_I32
; SI: V_RCP_F32
; SI: V_CVT_I32_F32
; EG: INT_TO_FLT
; EG-DAG: INT_TO_FLT
; EG-DAG: RECIP_IEEE
; EG: FLT_TO_INT
define void @srem24_i8(i8 addrspace(1)* %out, i8 addrspace(1)* %in) {
%den_ptr = getelementptr i8 addrspace(1)* %in, i8 1
%num = load i8 addrspace(1) * %in
%den = load i8 addrspace(1) * %den_ptr
%result = srem i8 %num, %den
store i8 %result, i8 addrspace(1)* %out
ret void
}
; FUNC-LABEL: @srem24_i16
; SI: V_CVT_F32_I32
; SI: V_CVT_F32_I32
; SI: V_RCP_F32
; SI: V_CVT_I32_F32
; EG: INT_TO_FLT
; EG-DAG: INT_TO_FLT
; EG-DAG: RECIP_IEEE
; EG: FLT_TO_INT
define void @srem24_i16(i16 addrspace(1)* %out, i16 addrspace(1)* %in) {
%den_ptr = getelementptr i16 addrspace(1)* %in, i16 1
%num = load i16 addrspace(1) * %in, align 2
%den = load i16 addrspace(1) * %den_ptr, align 2
%result = srem i16 %num, %den
store i16 %result, i16 addrspace(1)* %out, align 2
ret void
}
; FUNC-LABEL: @srem24_i32
; SI: V_CVT_F32_I32
; SI: V_CVT_F32_I32
; SI: V_RCP_F32
; SI: V_CVT_I32_F32
; EG: INT_TO_FLT
; EG-DAG: INT_TO_FLT
; EG-DAG: RECIP_IEEE
; EG: FLT_TO_INT
define void @srem24_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%den_ptr = getelementptr i32 addrspace(1)* %in, i32 1
%num = load i32 addrspace(1) * %in, align 4
%den = load i32 addrspace(1) * %den_ptr, align 4
%num.i24.0 = shl i32 %num, 8
%den.i24.0 = shl i32 %den, 8
%num.i24 = ashr i32 %num.i24.0, 8
%den.i24 = ashr i32 %den.i24.0, 8
%result = srem i32 %num.i24, %den.i24
store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @srem25_i32
; SI-NOT: V_CVT_F32_I32
; SI-NOT: V_RCP_F32
; EG-NOT: INT_TO_FLT
; EG-NOT: RECIP_IEEE
define void @srem25_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%den_ptr = getelementptr i32 addrspace(1)* %in, i32 1
%num = load i32 addrspace(1) * %in, align 4
%den = load i32 addrspace(1) * %den_ptr, align 4
%num.i24.0 = shl i32 %num, 7
%den.i24.0 = shl i32 %den, 7
%num.i24 = ashr i32 %num.i24.0, 7
%den.i24 = ashr i32 %den.i24.0, 7
%result = srem i32 %num.i24, %den.i24
store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @test_no_srem24_i32_1
; SI-NOT: V_CVT_F32_I32
; SI-NOT: V_RCP_F32
; EG-NOT: INT_TO_FLT
; EG-NOT: RECIP_IEEE
define void @test_no_srem24_i32_1(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%den_ptr = getelementptr i32 addrspace(1)* %in, i32 1
%num = load i32 addrspace(1) * %in, align 4
%den = load i32 addrspace(1) * %den_ptr, align 4
%num.i24.0 = shl i32 %num, 8
%den.i24.0 = shl i32 %den, 7
%num.i24 = ashr i32 %num.i24.0, 8
%den.i24 = ashr i32 %den.i24.0, 7
%result = srem i32 %num.i24, %den.i24
store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @test_no_srem24_i32_2
; SI-NOT: V_CVT_F32_I32
; SI-NOT: V_RCP_F32
; EG-NOT: INT_TO_FLT
; EG-NOT: RECIP_IEEE
define void @test_no_srem24_i32_2(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%den_ptr = getelementptr i32 addrspace(1)* %in, i32 1
%num = load i32 addrspace(1) * %in, align 4
%den = load i32 addrspace(1) * %den_ptr, align 4
%num.i24.0 = shl i32 %num, 7
%den.i24.0 = shl i32 %den, 8
%num.i24 = ashr i32 %num.i24.0, 7
%den.i24 = ashr i32 %den.i24.0, 8
%result = srem i32 %num.i24, %den.i24
store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}
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