1*9880d681SAndroid Build Coastguard Worker; RUN: opt -S -mtriple=amdgcn-- -structurizecfg -si-annotate-control-flow < %s | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: {{^}}define amdgpu_vs void @main 4*9880d681SAndroid Build Coastguard Worker; CHECK: main_body: 5*9880d681SAndroid Build Coastguard Worker; CHECK: LOOP.outer: 6*9880d681SAndroid Build Coastguard Worker; CHECK: LOOP: 7*9880d681SAndroid Build Coastguard Worker; CHECK: [[if:%[0-9]+]] = call { i1, i64 } @llvm.amdgcn.if( 8*9880d681SAndroid Build Coastguard Worker; CHECK: [[if_exec:%[0-9]+]] = extractvalue { i1, i64 } [[if]], 1 9*9880d681SAndroid Build Coastguard Worker; 10*9880d681SAndroid Build Coastguard Worker; CHECK: Flow: 11*9880d681SAndroid Build Coastguard Worker; 12*9880d681SAndroid Build Coastguard Worker; Ensure two else.break calls, for both the inner and outer loops 13*9880d681SAndroid Build Coastguard Worker; 14*9880d681SAndroid Build Coastguard Worker; CHECK: call i64 @llvm.amdgcn.else.break(i64 [[if_exec]], 15*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: call i64 @llvm.amdgcn.else.break(i64 [[if_exec]], 16*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: call void @llvm.amdgcn.end.cf 17*9880d681SAndroid Build Coastguard Worker; 18*9880d681SAndroid Build Coastguard Worker; CHECK: Flow1: 19*9880d681SAndroid Build Coastguard Workerdefine amdgpu_vs void @main(<4 x float> %vec, i32 %ub, i32 %cont) { 20*9880d681SAndroid Build Coastguard Workermain_body: 21*9880d681SAndroid Build Coastguard Worker br label %LOOP.outer 22*9880d681SAndroid Build Coastguard Worker 23*9880d681SAndroid Build Coastguard WorkerLOOP.outer: ; preds = %ENDIF, %main_body 24*9880d681SAndroid Build Coastguard Worker %tmp43 = phi i32 [ 0, %main_body ], [ %tmp47, %ENDIF ] 25*9880d681SAndroid Build Coastguard Worker br label %LOOP 26*9880d681SAndroid Build Coastguard Worker 27*9880d681SAndroid Build Coastguard WorkerLOOP: ; preds = %ENDIF, %LOOP.outer 28*9880d681SAndroid Build Coastguard Worker %tmp45 = phi i32 [ %tmp43, %LOOP.outer ], [ %tmp47, %ENDIF ] 29*9880d681SAndroid Build Coastguard Worker %tmp47 = add i32 %tmp45, 1 30*9880d681SAndroid Build Coastguard Worker %tmp48 = icmp slt i32 %tmp45, %ub 31*9880d681SAndroid Build Coastguard Worker br i1 %tmp48, label %ENDIF, label %IF 32*9880d681SAndroid Build Coastguard Worker 33*9880d681SAndroid Build Coastguard WorkerIF: ; preds = %LOOP 34*9880d681SAndroid Build Coastguard Worker ret void 35*9880d681SAndroid Build Coastguard Worker 36*9880d681SAndroid Build Coastguard WorkerENDIF: ; preds = %LOOP 37*9880d681SAndroid Build Coastguard Worker %tmp51 = icmp eq i32 %tmp47, %cont 38*9880d681SAndroid Build Coastguard Worker br i1 %tmp51, label %LOOP, label %LOOP.outer 39*9880d681SAndroid Build Coastguard Worker} 40*9880d681SAndroid Build Coastguard Worker 41*9880d681SAndroid Build Coastguard Workerattributes #0 = { nounwind readnone } 42