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TheRock/compiler/amd-llvm/amd/comgr/test-lit/hotswap/rewriter/hotswap-wmma-split-vgpr-msb-field-merge.s
derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

28 lines
966 B
ArmAsm

// A merge that disagrees only in src1 must lose the complete VGPR-MSB mode.
// This guards the four-field CFG lattice independently of the dst/src0 facts
// used by DS2 alignment.
// RUN: %clang -target amdgcn-amd-amdhsa -mcpu=gfx1250 -nostdlib %s -o %t.elf
// RUN: env AMD_COMGR_EMIT_VERBOSE_LOGS=1 hotswap-rewrite %t.elf \
// RUN: amdgcn-amd-amdhsa--gfx1250:gfx1250-b0-specific+ \
// RUN: amdgcn-amd-amdhsa--gfx1250:gfx1250-b0-specific- \
// RUN: --strict-mode --expect-status ERROR 2>&1 | %FileCheck %s
// CHECK-LABEL: WMMA split: cannot determine VGPR-MSB mode
// CHECK: RESULT: ERROR
.amdgcn_target "amdgcn-amd-amdhsa--gfx1250"
.text
.globl test_wmma_src1_merge
.p2align 8
.type test_wmma_src1_merge,@function
test_wmma_src1_merge:
s_cbranch_scc1 .Lzero
s_set_vgpr_msb 4
s_branch .Ljoin
.Lzero:
s_set_vgpr_msb 0
.Ljoin:
v_wmma_f32_16x16x128_fp8_fp8 v[32:39], v[0:15], v[16:31], 0
s_endpgm
.size test_wmma_src1_merge, .-test_wmma_src1_merge