16 lines
409 B
LLVM
16 lines
409 B
LLVM
; RUN: llc -O0 -mtriple=spirv64-unknown-unknown %s -o - | FileCheck %s
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; CHECK: %[[#extinst_id:]] = OpExtInstImport "OpenCL.std"
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; CHECK: OpFunction
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; CHECK: %[[#]] = OpExtInst %[[#]] %[[#extinst_id]] clz
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; CHECK: OpFunctionEnd
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define spir_func i32 @TestClz(i32 %x) local_unnamed_addr {
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entry:
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%0 = tail call i32 @llvm.ctlz.i32(i32 %x, i1 true)
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ret i32 %0
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}
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declare i32 @llvm.ctlz.i32(i32, i1 immarg)
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