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[AMDGPU][MC] Disallow nogds in ds_gws_* instructions (llvm#166873)
The ds_gws_* instructions require gds as an operand. However, when nogds is given, it is treated the same as gds. This patch fixes this to disallow nogds.
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‎llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp‎

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@@ -7044,6 +7044,12 @@ ParseStatus AMDGPUAsmParser::parseNamedBit(StringRef Name,
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if (Name == "a16" && !hasA16())
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return Error(S, "a16 modifier is not supported on this GPU");
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if (Bit == 0 && Name == "gds") {
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StringRef Mnemo = ((AMDGPUOperand &)*Operands[0]).getToken();
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if (Mnemo.starts_with("ds_gws"))
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return Error(S, "nogds is not allowed");
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}
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if (isGFX9() && ImmTy == AMDGPUOperand::ImmTyA16)
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ImmTy = AMDGPUOperand::ImmTyR128A16;
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‎llvm/test/MC/AMDGPU/gfx10_asm_ds_err.s‎

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// RUN: not llvm-mc -triple=amdgcn -mcpu=gfx1010 -mattr=+wavefrontsize32 %s 2>&1 | FileCheck --implicit-check-not=error: %s
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// RUN: not llvm-mc -triple=amdgcn -mcpu=gfx1010 -mattr=+wavefrontsize64 %s 2>&1 | FileCheck --implicit-check-not=error: %s
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ds_gws_sema_release_all nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_release_all offset:4660 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_init v0 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_init v0 offset:0 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_v nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_v offset:65535 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_br v0 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_br v0 offset:4660 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_p nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_p offset:0 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_barrier v0 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_barrier v0 offset:0 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed

‎llvm/test/MC/AMDGPU/gfx11_asm_ds_err.s‎

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// RUN: not llvm-mc -triple=amdgcn -mcpu=gfx1100 %s 2>&1 | FileCheck --implicit-check-not=error: %s
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ds_gws_barrier v1 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_barrier v1 offset:65535 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_init v1 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_init v1 offset:65535 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_br v1 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_br v1 offset:65535 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_p nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_p offset:65535 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_release_all nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_release_all offset:65535 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_v nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_v offset:65535 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed

‎llvm/test/MC/AMDGPU/gfx7_asm_ds_err.s‎

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// RUN: not llvm-mc -triple=amdgcn -mcpu=bonaire %s 2>&1 | FileCheck --implicit-check-not=error: %s
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ds_gws_sema_release_all offset:65535 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_release_all nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_init v1 offset:65535 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_init v1 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_v offset:65535 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_v nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_br v1 offset:65535 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_br v1 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_p offset:65535 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_p nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_barrier v255 offset:65535 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_barrier v1 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed

‎llvm/test/MC/AMDGPU/gfx8_asm_ds_err.s‎

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// RUN: not llvm-mc -triple=amdgcn -mcpu=tonga %s 2>&1 | FileCheck --implicit-check-not=error: %s
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ds_gws_sema_release_all offset:65535 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_release_all nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_init v1 offset:65535 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_init v1 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_v offset:65535 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_v nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_br v1 offset:65535 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_br v1 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_p offset:65535 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_p nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_barrier v255 offset:65535 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_barrier v1 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed

‎llvm/test/MC/AMDGPU/gfx9_asm_ds_err.s‎

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// RUN: not llvm-mc -triple=amdgcn -mcpu=gfx900 %s 2>&1 | FileCheck --implicit-check-not=error: %s
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ds_gws_sema_release_all offset:65535 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_release_all nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_init v1 offset:65535 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_init v1 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_v offset:65535 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_v nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_br v1 offset:65535 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_br v1 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_p offset:65535 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_sema_p nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_barrier v1 offset:65535 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed
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ds_gws_barrier v1 nogds
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: nogds is not allowed

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