47 lines
1.9 KiB
Plaintext
47 lines
1.9 KiB
Plaintext
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# RUN: llc -march=amdgcn -mcpu=gfx900 -run-pass=machine-scheduler -o - %s | FileCheck %s
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---
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# Check that the high latency loads are both scheduled first, before the
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# multiplies, despite the presence of a barrier in the function.
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# CHECK: BUFFER_LOAD_DWORD_OFFSET
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# CHECK: BUFFER_LOAD_DWORD_OFFSET
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# CHECK: V_MUL_LO_U32_e64
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# CHECK: V_MUL_LO_U32_e64
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name: test
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $vgpr5, $vgpr6, $vgpr7, $vgpr8, $vgpr9
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undef %43.sub3:vreg_128 = COPY $vgpr9
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undef %42.sub2:vreg_128 = COPY $vgpr8
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undef %41.sub1:vreg_128 = COPY $vgpr7
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undef %26.sub0:vreg_128 = COPY $vgpr6
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undef %46.sub3:vreg_128 = COPY $vgpr5
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undef %45.sub2:vreg_128 = COPY $vgpr4
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undef %44.sub1:vreg_128 = COPY $vgpr3
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undef %32.sub0:vreg_128 = COPY $vgpr2
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undef %38.sub1:vreg_64 = COPY $vgpr1
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%38.sub0:vreg_64 = COPY $vgpr0
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S_BARRIER
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undef %33.sub0:sgpr_128 = V_READFIRSTLANE_B32 %32.sub0, implicit $exec
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%33.sub1:sgpr_128 = V_READFIRSTLANE_B32 %44.sub1, implicit $exec
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%33.sub2:sgpr_128 = V_READFIRSTLANE_B32 %45.sub2, implicit $exec
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%33.sub3:sgpr_128 = V_READFIRSTLANE_B32 %46.sub3, implicit $exec
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%15:vgpr_32 = BUFFER_LOAD_DWORD_OFFSET %33, 0, 0, 0, 0, 0, 0, 0, implicit $exec
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%39:vgpr_32 = V_MUL_LO_U32_e64 %15, %15, implicit $exec
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undef %27.sub0:sgpr_128 = V_READFIRSTLANE_B32 %26.sub0, implicit $exec
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%27.sub1:sgpr_128 = V_READFIRSTLANE_B32 %41.sub1, implicit $exec
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%27.sub2:sgpr_128 = V_READFIRSTLANE_B32 %42.sub2, implicit $exec
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%27.sub3:sgpr_128 = V_READFIRSTLANE_B32 %43.sub3, implicit $exec
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%19:vgpr_32 = BUFFER_LOAD_DWORD_OFFSET %27, 0, 0, 0, 0, 0, 0, 0, implicit $exec
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%40:vgpr_32 = V_MUL_LO_U32_e64 %19, %19, implicit $exec
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%23:vgpr_32 = V_ADD_U32_e32 %39, %40, implicit $exec
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GLOBAL_STORE_DWORD %38, %23, 0, 0, 0, 0, implicit $exec
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S_ENDPGM 0
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...
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