forked from OSchip/llvm-project
30 lines
628 B
LLVM
30 lines
628 B
LLVM
declare i32 @llvm.amdgcn.workgroup.id.x() #0
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declare i32 @llvm.amdgcn.workgroup.id.y() #0
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declare i32 @llvm.amdgcn.workgroup.id.z() #0
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define i32 @get_group_id(i32 %dim) #1 {
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switch i32 %dim, label %default [
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i32 0, label %x_dim
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i32 1, label %y_dim
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i32 2, label %z_dim
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]
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x_dim:
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%x = tail call i32 @llvm.amdgcn.workgroup.id.x()
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ret i32 %x
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y_dim:
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%y = tail call i32 @llvm.amdgcn.workgroup.id.y()
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ret i32 %y
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z_dim:
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%z = tail call i32 @llvm.amdgcn.workgroup.id.z()
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ret i32 %z
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default:
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ret i32 0
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}
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attributes #0 = { nounwind readnone }
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attributes #1 = { alwaysinline norecurse nounwind readnone }
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