29 lines
1.6 KiB
LLVM
29 lines
1.6 KiB
LLVM
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; RUN: not llc -global-isel -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -global-isel-abort=2 -pass-remarks-missed="gisel.*" -verify-machineinstrs -o /dev/null 2>&1 %s | FileCheck -check-prefix=ERR %s
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; ERR: remark: <unknown>:0:0: cannot select: %{{[0-9]+}}:sreg_32(p5) = G_DYN_STACKALLOC %{{[0-9]+}}:vgpr(s32), 1 (in function: kernel_dynamic_stackalloc_vgpr_align4)
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; ERR-NEXT: warning: Instruction selection used fallback path for kernel_dynamic_stackalloc_vgpr_align4
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; ERR-NEXT: error: <unknown>:0:0: in function kernel_dynamic_stackalloc_vgpr_align4 void (i32 addrspace(1)*): unsupported dynamic alloca
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; ERR: remark: <unknown>:0:0: cannot select: %{{[0-9]+}}:sreg_32(p5) = G_DYN_STACKALLOC %{{[0-9]+}}:vgpr(s32), 1 (in function: func_dynamic_stackalloc_vgpr_align4)
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; ERR-NEXT: warning: Instruction selection used fallback path for func_dynamic_stackalloc_vgpr_align4
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; ERR-NEXT: error: <unknown>:0:0: in function func_dynamic_stackalloc_vgpr_align4 void (i32): unsupported dynamic alloca
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define amdgpu_kernel void @kernel_dynamic_stackalloc_vgpr_align4(i32 addrspace(1)* %ptr) {
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%id = call i32 @llvm.amdgcn.workitem.id.x()
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%gep = getelementptr i32, i32 addrspace(1)* %ptr, i32 %id
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%n = load i32, i32 addrspace(1)* %gep
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%alloca = alloca i32, i32 %n, align 4, addrspace(5)
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store volatile i32 addrspace(5)* %alloca, i32 addrspace(5)* addrspace(1)* undef
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ret void
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}
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define void @func_dynamic_stackalloc_vgpr_align4(i32 %n) {
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%alloca = alloca i32, i32 %n, align 4, addrspace(5)
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store volatile i32 addrspace(5)* %alloca, i32 addrspace(5)* addrspace(1)* undef
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ret void
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}
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declare i32 @llvm.amdgcn.workitem.id.x() #0
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attributes #0 = { nounwind readnone speculatable }
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