27 lines
542 B
LLVM
27 lines
542 B
LLVM
; RUN: llc -march=amdgcn -O0 -o - %s | FileCheck %s
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; CHECK-LABEL: non_uniform_loop
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; CHECK: s_endpgm
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define amdgpu_kernel void @non_uniform_loop(float addrspace(1)* %array) {
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entry:
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%w = tail call i32 @llvm.amdgcn.workitem.id.x()
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br label %for.cond
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for.cond:
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%i = phi i32 [0, %entry], [%i.next, %for.inc]
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%cmp = icmp ult i32 %i, %w
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br i1 %cmp, label %for.body, label %for.end
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for.body:
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br label %for.inc
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for.inc:
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%i.next = add i32 %i, 1
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br label %for.cond
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for.end:
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ret void
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}
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declare i32 @llvm.amdgcn.workitem.id.x()
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