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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 52; RUN: llc -mtriple=amdgcn -mcpu=tahiti %s -o - | FileCheck %s3 4; After dead code elimination, that buffer load should be eliminated finally5; after dead lane detection.6define amdgpu_kernel void @foo() {7; CHECK-LABEL: foo:8; CHECK: ; %bb.0: ; %entry9; CHECK-NEXT: ; %bb.1: ; %LeafBlock110; CHECK-NEXT: s_cmp_eq_u32 s0, 1011; CHECK-NEXT: s_cbranch_scc1 .LBB0_312; CHECK-NEXT: ; %bb.2:13; CHECK-NEXT: s_mov_b32 s3, 0xf00014; CHECK-NEXT: s_mov_b32 s2, -115; CHECK-NEXT: v_mov_b32_e32 v0, 016; CHECK-NEXT: buffer_store_dword v0, off, s[0:3], 017; CHECK-NEXT: s_endpgm18; CHECK-NEXT: .LBB0_3:19entry:20 switch i8 poison, label %foo.exit [21 i8 4, label %sw.bb422 i8 10, label %sw.bb1023 ]24 25sw.bb4:26 %x = load i64, ptr addrspace(1) poison, align 827 %c = sitofp i64 %x to float28 %v = insertelement <2 x float> <float poison, float 0.000000e+00>, float %c, i32 029 br label %foo.exit30 31sw.bb10:32 unreachable33 34foo.exit:35 %agg = phi <2 x float> [ %v, %sw.bb4 ], [ zeroinitializer, %entry ]36 %s = extractelement <2 x float> %agg, i32 137 store float %s, ptr addrspace(1) poison, align 438 ret void39}40