; RUN: opt %s -mtriple amdgcn-- -amdgpu-use-legacy-divergence-analysis -passes='print<divergence>' 2>&1 -disable-output | FileCheck %s ; CHECK: DIVERGENT: %tmp5 = getelementptr inbounds float, float addrspace(1)* %arg, i64 %tmp2 ; CHECK: DIVERGENT: %tmp10 = load volatile float, float addrspace(1)* %tmp5, align 4 ; CHECK: DIVERGENT: %tmp11 = load volatile float, float addrspace(1)* %tmp5, align 4 ; The post dominator tree does not have a root node in this case define amdgpu_kernel void @no_return_blocks(float addrspace(1)* noalias nocapture readonly %arg, float addrspace(1)* noalias nocapture readonly %arg1) #0 { bb0: %tmp = tail call i32 @llvm.amdgcn.workitem.id.x() #0 %tmp2 = sext i32 %tmp to i64 %tmp5 = getelementptr inbounds float, float addrspace(1)* %arg, i64 %tmp2 %tmp6 = load volatile float, float addrspace(1)* %tmp5, align 4 %tmp8 = fcmp olt float %tmp6, 0.000000e+00 br i1 %tmp8, label %bb1, label %bb2 bb1: %tmp10 = load volatile float, float addrspace(1)* %tmp5, align 4 br label %bb2 bb2: %tmp11 = load volatile float, float addrspace(1)* %tmp5, align 4 br label %bb1 } ; Function Attrs: nounwind readnone declare i32 @llvm.amdgcn.workitem.id.x() #1 attributes #0 = { nounwind } attributes #1 = { nounwind readnone }