forked from OSchip/llvm-project
22 lines
658 B
LLVM
22 lines
658 B
LLVM
declare i32 @llvm.r600.read.ngroups.x() nounwind readnone
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declare i32 @llvm.r600.read.ngroups.y() nounwind readnone
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declare i32 @llvm.r600.read.ngroups.z() nounwind readnone
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define i64 @get_num_groups(i32 %dim) nounwind readnone alwaysinline {
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switch i32 %dim, label %default [i32 0, label %x_dim i32 1, label %y_dim i32 2, label %z_dim]
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x_dim:
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%x = call i32 @llvm.r600.read.ngroups.x()
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%x.ext = zext i32 %x to i64
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ret i64 %x.ext
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y_dim:
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%y = call i32 @llvm.r600.read.ngroups.y()
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%y.ext = zext i32 %y to i64
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ret i64 %y.ext
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z_dim:
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%z = call i32 @llvm.r600.read.ngroups.z()
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%z.ext = zext i32 %z to i64
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ret i64 %z.ext
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default:
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ret i64 1
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}
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