c897c13dde
Converts AMDGPUResourceUsageAnalysis pass from Module to MachineFunction pass. Moves function resource info propagation to to MC layer (through helpers in AMDGPUMCResourceInfo) by generating MCExprs for every function resource which the emitters have been prepped for. Fixes https://github.com/llvm/llvm-project/issues/64863
53 lines
2.2 KiB
LLVM
53 lines
2.2 KiB
LLVM
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -verify-machineinstrs -o /dev/null 2>&1 %s | FileCheck -check-prefix=ERR %s
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; ERR: warning: inline asm clobber list contains reserved registers: v42
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; ERR: note: Reserved registers on the clobber list may not be preserved across the asm statement, and clobbering them may lead to undefined behaviour.
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define amdgpu_kernel void @clobber_occupancy_limited_vgpr() #0 {
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entry:
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call void asm sideeffect "; clobber $0", "~{v42}"()
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ret void
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}
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; ERR: warning: inline asm clobber list contains reserved registers: v[42:43]
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; ERR: note: Reserved registers on the clobber list may not be preserved across the asm statement, and clobbering them may lead to undefined behaviour.
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define amdgpu_kernel void @clobber_occupancy_limited_vgpr64() #0 {
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entry:
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call void asm sideeffect "; clobber $0", "~{v[42:43]}"()
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ret void
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}
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; ERR: warning: inline asm clobber list contains reserved registers: m0
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; ERR: note: Reserved registers on the clobber list may not be preserved across the asm statement, and clobbering them may lead to undefined behaviour.
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define amdgpu_kernel void @clobber_m0() {
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entry:
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call void asm sideeffect "; clobber $0", "~{m0}"()
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ret void
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}
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; ERR: warning: inline asm clobber list contains reserved registers: exec
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; ERR: note: Reserved registers on the clobber list may not be preserved across the asm statement, and clobbering them may lead to undefined behaviour.
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define amdgpu_kernel void @clobber_exec() {
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entry:
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call void asm sideeffect "; clobber $0", "~{exec}"()
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ret void
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}
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; ERR: warning: inline asm clobber list contains reserved registers: exec_lo
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; ERR: note: Reserved registers on the clobber list may not be preserved across the asm statement, and clobbering them may lead to undefined behaviour.
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define amdgpu_kernel void @clobber_exec_lo() {
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entry:
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call void asm sideeffect "; clobber $0", "~{exec_lo}"()
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ret void
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}
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; FIXME: This should warn too
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; ERR-NOT: warning: inline asm clobber list contains reserved registers
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define amdgpu_kernel void @def_exec(ptr addrspace(1) %ptr) {
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entry:
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%exec = call i64 asm sideeffect "; def $0", "={exec}"()
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store i64 %exec, ptr addrspace(1) %ptr
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ret void
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}
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attributes #0 = { "amdgpu-waves-per-eu"="10,10" }
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