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3986785046
We can't enable the verifier for tests with SI_IF and SI_ELSE, because these instructions are always followed by a COPY which copies their result to the next basic block. This violates the machine verifier's rule that non-terminators can not folow terminators. Reviewed-by: Vincent Lejeune<vljn at ovi.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192366 91177308-0d34-0410-b5e6-96231b3b80d8
66 lines
2.4 KiB
LLVM
66 lines
2.4 KiB
LLVM
; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s --check-prefix=EG-CHECK
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; RUN: llc < %s -march=r600 -mcpu=cayman | FileCheck %s --check-prefix=EG-CHECK
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; RUN: llc < %s -march=r600 -mcpu=SI -verify-machineinstrs | FileCheck %s --check-prefix=SI-CHECK
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; EG-CHECK: @u32_mul24
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; EG-CHECK: MUL_UINT24 {{[* ]*}}T{{[0-9]\.[XYZW]}}, KC0[2].Z, KC0[2].W
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; SI-CHECK: @u32_mul24
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; SI-CHECK: V_MUL_U32_U24
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define void @u32_mul24(i32 addrspace(1)* %out, i32 %a, i32 %b) {
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entry:
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%0 = shl i32 %a, 8
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%a_24 = lshr i32 %0, 8
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%1 = shl i32 %b, 8
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%b_24 = lshr i32 %1, 8
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%2 = mul i32 %a_24, %b_24
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store i32 %2, i32 addrspace(1)* %out
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ret void
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}
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; EG-CHECK: @i16_mul24
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; EG-CHECK-DAG: VTX_READ_16 [[A:T[0-9]\.X]], T{{[0-9]}}.X, 40
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; EG-CHECK-DAG: VTX_READ_16 [[B:T[0-9]\.X]], T{{[0-9]}}.X, 44
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; The order of A and B does not matter.
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; EG-CHECK: MUL_UINT24 {{[* ]*}}T{{[0-9]}}.[[MUL_CHAN:[XYZW]]], [[A]], [[B]]
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; The result must be sign-extended
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; EG-CHECK: LSHL {{[* ]*}}T{{[0-9]}}.[[LSHL_CHAN:[XYZW]]], PV.[[MUL_CHAN]], literal.x
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; EG-CHECK: 16
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; EG-CHECK: ASHR {{[* ]*}}T{{[0-9]\.[XYZW]}}, PV.[[LSHL_CHAN]], literal.x
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; EG-CHECK: 16
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; SI-CHECK: @i16_mul24
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; SI-CHECK: V_MUL_U32_U24_e{{(32|64)}} [[MUL:VGPR[0-9]]], {{[SV]GPR[0-9], [SV]GPR[0-9]}}
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; SI-CHECK: V_LSHLREV_B32_e32 [[LSHL:VGPR[0-9]]], 16, [[MUL]]
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; SI-CHECK: V_ASHRREV_I32_e32 VGPR{{[0-9]}}, 16, [[LSHL]]
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define void @i16_mul24(i32 addrspace(1)* %out, i16 %a, i16 %b) {
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entry:
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%0 = mul i16 %a, %b
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%1 = sext i16 %0 to i32
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store i32 %1, i32 addrspace(1)* %out
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ret void
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}
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; EG-CHECK: @i8_mul24
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; EG-CHECK-DAG: VTX_READ_8 [[A:T[0-9]\.X]], T{{[0-9]}}.X, 40
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; EG-CHECK-DAG: VTX_READ_8 [[B:T[0-9]\.X]], T{{[0-9]}}.X, 44
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; The order of A and B does not matter.
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; EG-CHECK: MUL_UINT24 {{[* ]*}}T{{[0-9]}}.[[MUL_CHAN:[XYZW]]], [[A]], [[B]]
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; The result must be sign-extended
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; EG-CHECK: LSHL {{[* ]*}}T{{[0-9]}}.[[LSHL_CHAN:[XYZW]]], PV.[[MUL_CHAN]], literal.x
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; EG-CHECK: 24
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; EG-CHECK: ASHR {{[* ]*}}T{{[0-9]\.[XYZW]}}, PV.[[LSHL_CHAN]], literal.x
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; EG-CHECK: 24
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; SI-CHECK: @i8_mul24
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; SI-CHECK: V_MUL_U32_U24_e{{(32|64)}} [[MUL:VGPR[0-9]]], {{[SV]GPR[0-9], [SV]GPR[0-9]}}
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; SI-CHECK: V_LSHLREV_B32_e32 [[LSHL:VGPR[0-9]]], 24, [[MUL]]
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; SI-CHECK: V_ASHRREV_I32_e32 VGPR{{[0-9]}}, 24, [[LSHL]]
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define void @i8_mul24(i32 addrspace(1)* %out, i8 %a, i8 %b) {
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entry:
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%0 = mul i8 %a, %b
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%1 = sext i8 %0 to i32
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store i32 %1, i32 addrspace(1)* %out
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ret void
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}
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