2016-05-06 04:07:37 +08:00
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; RUN: llc < %s -march=amdgcn -verify-machineinstrs | FileCheck %s --check-prefix=SI --check-prefix=FUNC
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2017-01-25 06:02:15 +08:00
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; RUN: llc < %s -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs | FileCheck %s --check-prefix=SI --check-prefix=FUNC
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2014-04-08 03:45:41 +08:00
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; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s --check-prefix=EG --check-prefix=FUNC
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; RUN: llc < %s -march=r600 -mcpu=cayman | FileCheck %s --check-prefix=CM --check-prefix=FUNC
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2013-07-23 09:48:49 +08:00
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2014-10-02 01:15:17 +08:00
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; FUNC-LABEL: {{^}}i32_mad24:
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2013-07-23 09:48:49 +08:00
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; Signed 24-bit multiply is not supported on pre-Cayman GPUs.
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2014-04-08 03:45:41 +08:00
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; EG: MULLO_INT
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; Make sure we aren't masking the inputs.
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; CM-NOT: AND
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; CM: MULADD_INT24
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2014-11-05 22:50:53 +08:00
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; SI-NOT: and
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; SI: v_mad_i32_i24
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2017-03-22 05:39:51 +08:00
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define amdgpu_kernel void @i32_mad24(i32 addrspace(1)* %out, i32 %a, i32 %b, i32 %c) {
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2013-07-23 09:48:49 +08:00
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entry:
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%0 = shl i32 %a, 8
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%a_24 = ashr i32 %0, 8
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%1 = shl i32 %b, 8
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%b_24 = ashr i32 %1, 8
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%2 = mul i32 %a_24, %b_24
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%3 = add i32 %2, %c
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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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