; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6 ; RUN: llc -mtriple=amdgcn -mcpu=gfx950 < %s | FileCheck %s ; Check that the copy from s[2:3] to v[0:1] occurs inside the loop, not after it. define i64 @test_temporal_divergence(i32 %arg) #0 { ; CHECK-LABEL: test_temporal_divergence: ; CHECK: ; %bb.0: ; %entry ; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; CHECK-NEXT: v_add_u32_e32 v2, 1, v0 ; CHECK-NEXT: s_mov_b64 s[2:3], 0 ; CHECK-NEXT: s_mov_b64 s[0:1], 0 ; CHECK-NEXT: .LBB0_1: ; %loop ; CHECK-NEXT: ; =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: v_add_u32_e32 v2, -1, v2 ; CHECK-NEXT: v_cmp_eq_u32_e32 vcc, 0, v2 ; CHECK-NEXT: v_mov_b64_e32 v[0:1], s[2:3] ; CHECK-NEXT: s_or_b64 s[0:1], vcc, s[0:1] ; CHECK-NEXT: s_mov_b64 s[2:3], 1 ; CHECK-NEXT: s_andn2_b64 exec, exec, s[0:1] ; CHECK-NEXT: s_cbranch_execnz .LBB0_1 ; CHECK-NEXT: ; %bb.2: ; %end ; CHECK-NEXT: s_or_b64 exec, exec, s[0:1] ; CHECK-NEXT: s_setpc_b64 s[30:31] entry: br label %loop loop: %i = phi i64 [ 1, %loop ], [ 0, %entry ] %count = phi i32 [ %inc, %loop ], [ 0, %entry ] %inc = add i32 %count, 1 %cond = icmp eq i32 %count, %arg br i1 %cond, label %end, label %loop end: ret i64 %i }