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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc -global-isel -new-reg-bank-select -O0 -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 < %s | FileCheck -check-prefix=WAVE64 %s3; RUN: llc -global-isel -new-reg-bank-select -O0 -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1031 < %s | FileCheck -check-prefix=WAVE32 %s4 5; This was mishandling the constant true and false values used as a6; scalar branch condition.7 8define void @br_false() {9; WAVE64-LABEL: br_false:10; WAVE64: ; %bb.0: ; %.exit11; WAVE64-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)12; WAVE64-NEXT: .LBB0_1: ; %bb013; WAVE64-NEXT: ; =>This Inner Loop Header: Depth=114; WAVE64-NEXT: s_mov_b32 s4, 115; WAVE64-NEXT: s_cmp_lg_u32 s4, 016; WAVE64-NEXT: s_cbranch_scc1 .LBB0_117; WAVE64-NEXT: ; %bb.2: ; %.exit518; WAVE64-NEXT: s_setpc_b64 s[30:31]19;20; WAVE32-LABEL: br_false:21; WAVE32: ; %bb.0: ; %.exit22; WAVE32-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)23; WAVE32-NEXT: .LBB0_1: ; %bb024; WAVE32-NEXT: ; =>This Inner Loop Header: Depth=125; WAVE32-NEXT: s_mov_b32 s4, 126; WAVE32-NEXT: s_cmp_lg_u32 s4, 027; WAVE32-NEXT: s_cbranch_scc1 .LBB0_128; WAVE32-NEXT: ; %bb.2: ; %.exit529; WAVE32-NEXT: s_setpc_b64 s[30:31]30.exit:31 br label %bb032 33bb0:34 br i1 false, label %.exit5, label %bb035 36.exit5:37 ret void38}39 40define void @br_true() {41; WAVE64-LABEL: br_true:42; WAVE64: ; %bb.0: ; %.exit43; WAVE64-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)44; WAVE64-NEXT: .LBB1_1: ; %bb045; WAVE64-NEXT: ; =>This Inner Loop Header: Depth=146; WAVE64-NEXT: s_mov_b32 s4, 047; WAVE64-NEXT: s_cmp_lg_u32 s4, 048; WAVE64-NEXT: s_cbranch_scc1 .LBB1_149; WAVE64-NEXT: ; %bb.2: ; %.exit550; WAVE64-NEXT: s_setpc_b64 s[30:31]51;52; WAVE32-LABEL: br_true:53; WAVE32: ; %bb.0: ; %.exit54; WAVE32-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)55; WAVE32-NEXT: .LBB1_1: ; %bb056; WAVE32-NEXT: ; =>This Inner Loop Header: Depth=157; WAVE32-NEXT: s_mov_b32 s4, 058; WAVE32-NEXT: s_cmp_lg_u32 s4, 059; WAVE32-NEXT: s_cbranch_scc1 .LBB1_160; WAVE32-NEXT: ; %bb.2: ; %.exit561; WAVE32-NEXT: s_setpc_b64 s[30:31]62.exit:63 br label %bb064 65bb0:66 br i1 true, label %.exit5, label %bb067 68.exit5:69 ret void70}71 72define void @br_undef() {73; WAVE64-LABEL: br_undef:74; WAVE64: ; %bb.0: ; %.exit75; WAVE64-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)76; WAVE64-NEXT: .LBB2_1: ; %bb077; WAVE64-NEXT: ; =>This Inner Loop Header: Depth=178; WAVE64-NEXT: ; implicit-def: $sgpr479; WAVE64-NEXT: s_mov_b32 s5, 180; WAVE64-NEXT: s_and_b32 s4, s4, s581; WAVE64-NEXT: s_cmp_lg_u32 s4, 082; WAVE64-NEXT: s_cbranch_scc1 .LBB2_183; WAVE64-NEXT: ; %bb.2: ; %.exit584; WAVE64-NEXT: s_setpc_b64 s[30:31]85;86; WAVE32-LABEL: br_undef:87; WAVE32: ; %bb.0: ; %.exit88; WAVE32-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)89; WAVE32-NEXT: .LBB2_1: ; %bb090; WAVE32-NEXT: ; =>This Inner Loop Header: Depth=191; WAVE32-NEXT: ; implicit-def: $sgpr492; WAVE32-NEXT: s_mov_b32 s5, 193; WAVE32-NEXT: s_and_b32 s4, s4, s594; WAVE32-NEXT: s_cmp_lg_u32 s4, 095; WAVE32-NEXT: s_cbranch_scc1 .LBB2_196; WAVE32-NEXT: ; %bb.2: ; %.exit597; WAVE32-NEXT: s_setpc_b64 s[30:31]98.exit:99 br label %bb0100 101bb0:102 br i1 undef, label %.exit5, label %bb0103 104.exit5:105 ret void106}107 108define void @br_poison() {109; WAVE64-LABEL: br_poison:110; WAVE64: ; %bb.0: ; %.exit111; WAVE64-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)112; WAVE64-NEXT: .LBB3_1: ; %bb0113; WAVE64-NEXT: ; =>This Inner Loop Header: Depth=1114; WAVE64-NEXT: ; implicit-def: $sgpr4115; WAVE64-NEXT: s_mov_b32 s5, 1116; WAVE64-NEXT: s_and_b32 s4, s4, s5117; WAVE64-NEXT: s_cmp_lg_u32 s4, 0118; WAVE64-NEXT: s_cbranch_scc1 .LBB3_1119; WAVE64-NEXT: ; %bb.2: ; %.exit5120; WAVE64-NEXT: s_setpc_b64 s[30:31]121;122; WAVE32-LABEL: br_poison:123; WAVE32: ; %bb.0: ; %.exit124; WAVE32-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)125; WAVE32-NEXT: .LBB3_1: ; %bb0126; WAVE32-NEXT: ; =>This Inner Loop Header: Depth=1127; WAVE32-NEXT: ; implicit-def: $sgpr4128; WAVE32-NEXT: s_mov_b32 s5, 1129; WAVE32-NEXT: s_and_b32 s4, s4, s5130; WAVE32-NEXT: s_cmp_lg_u32 s4, 0131; WAVE32-NEXT: s_cbranch_scc1 .LBB3_1132; WAVE32-NEXT: ; %bb.2: ; %.exit5133; WAVE32-NEXT: s_setpc_b64 s[30:31]134.exit:135 br label %bb0136 137bb0:138 br i1 poison, label %.exit5, label %bb0139 140.exit5:141 ret void142}143