; RUN: llc -march=hexagon -machine-sink-split=0 < %s ; REQUIRES: asserts ; Used to fail with: Assertion `ScavengingFrameIndex >= 0 && "Cannot scavenge register without an emergency spill slot!"' failed. target triple = "hexagon-unknown-linux-gnu" %s.0 = type { double, double, double, double, double, double, i32, double, double, double, double, i8*, i8, [9 x i8], double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, [200 x i8*], [32 x i8*], [32 x i8], i32 } ; Function Attrs: nounwind define void @f0() #0 { b0: %v0 = call i8* @f2() br i1 undef, label %b1, label %b2 b1: ; preds = %b0 ret void b2: ; preds = %b0 br i1 undef, label %b3, label %b4 b3: ; preds = %b2 unreachable b4: ; preds = %b2 br i1 undef, label %b5, label %b6 b5: ; preds = %b4 unreachable b6: ; preds = %b4 %v1 = call i32 bitcast (i32 (...)* @f1 to i32 ()*)() #0 br i1 undef, label %b7, label %b20 b7: ; preds = %b6 switch i32 undef, label %b8 [ i32 6, label %b9 i32 1, label %b14 i32 2, label %b13 i32 3, label %b12 i32 4, label %b11 i32 5, label %b10 ] b8: ; preds = %b7 br label %b9 b9: ; preds = %b8, %b7 unreachable b10: ; preds = %b7 unreachable b11: ; preds = %b7 unreachable b12: ; preds = %b7 unreachable b13: ; preds = %b7 unreachable b14: ; preds = %b7 %v2 = call %s.0* bitcast (%s.0* (...)* @f3 to %s.0* (i32)*)(i32 0) #0 br label %b15 b15: ; preds = %b15, %b14 %v3 = bitcast i8* undef to double* %v4 = fadd double undef, undef br i1 undef, label %b16, label %b15 b16: ; preds = %b15 switch i32 undef, label %b18 [ i32 0, label %b19 i32 2, label %b17 ] b17: ; preds = %b16 %v5 = getelementptr i8, i8* %v0, i32 0 %v6 = bitcast i8* %v5 to double* %v7 = or i32 0, 16 %v8 = getelementptr i8, i8* %v0, i32 %v7 %v9 = bitcast i8* %v8 to double* %v10 = load double, double* undef, align 8, !tbaa !0 %v11 = fcmp olt double -1.000000e+11, %v10 %v12 = select i1 %v11, double %v10, double -1.000000e+11 %v13 = load double, double* %v6, align 8, !tbaa !0 %v14 = fcmp olt double -1.000000e+11, %v13 %v15 = select i1 %v14, double %v13, double -1.000000e+11 %v16 = load double, double* %v9, align 8, !tbaa !0 %v17 = fcmp olt double -1.000000e+11, %v16 %v18 = select i1 %v17, double %v16, double -1.000000e+11 %v19 = fcmp ogt double 1.000000e+11, %v13 %v20 = select i1 %v19, double %v13, double 1.000000e+11 %v21 = fcmp ogt double 1.000000e+11, %v16 %v22 = select i1 %v21, double %v16, double 1.000000e+11 br label %b18 b18: ; preds = %b17, %b16 %v23 = phi double [ %v12, %b17 ], [ -1.000000e+11, %b16 ] %v24 = phi double [ %v15, %b17 ], [ -1.000000e+11, %b16 ] %v25 = phi double [ %v20, %b17 ], [ 1.000000e+11, %b16 ] %v26 = phi double [ %v18, %b17 ], [ -1.000000e+11, %b16 ] %v27 = phi double [ %v22, %b17 ], [ 1.000000e+11, %b16 ] %v28 = load double, double* undef, align 8, !tbaa !0 %v29 = select i1 undef, double %v28, double %v23 %v30 = load double, double* null, align 8, !tbaa !0 %v31 = select i1 undef, double %v30, double %v24 %v32 = load double, double* undef, align 8, !tbaa !0 %v33 = select i1 undef, double %v32, double %v26 %v34 = select i1 undef, double %v30, double %v25 %v35 = select i1 undef, double %v32, double %v27 br i1 false, label %b20, label %b19 b19: ; preds = %b19, %b18, %b16 %v36 = phi double [ %v75, %b19 ], [ -1.000000e+11, %b16 ], [ %v29, %b18 ] %v37 = phi double [ %v81, %b19 ], [ 1.000000e+11, %b16 ], [ undef, %b18 ] %v38 = phi double [ %v78, %b19 ], [ -1.000000e+11, %b16 ], [ %v31, %b18 ] %v39 = phi double [ %v82, %b19 ], [ 1.000000e+11, %b16 ], [ %v34, %b18 ] %v40 = phi double [ %v80, %b19 ], [ -1.000000e+11, %b16 ], [ %v33, %b18 ] %v41 = phi double [ %v84, %b19 ], [ 1.000000e+11, %b16 ], [ %v35, %b18 ] %v42 = getelementptr i8, i8* %v0, i32 0 %v43 = bitcast i8* %v42 to double* %v44 = load double, double* null, align 8, !tbaa !0 %v45 = select i1 undef, double %v44, double %v36 %v46 = load double, double* %v43, align 8, !tbaa !0 %v47 = select i1 undef, double %v46, double %v38 %v48 = load double, double* undef, align 8, !tbaa !0 %v49 = select i1 undef, double %v48, double %v40 %v50 = select i1 undef, double %v44, double %v37 %v51 = fcmp ogt double %v39, %v46 %v52 = select i1 %v51, double %v46, double %v39 %v53 = select i1 undef, double %v48, double %v41 %v54 = load double, double* null, align 8, !tbaa !0 %v55 = select i1 undef, double %v54, double %v45 %v56 = load double, double* undef, align 8, !tbaa !0 %v57 = select i1 undef, double %v56, double %v47 %v58 = load double, double* undef, align 8, !tbaa !0 %v59 = select i1 undef, double %v58, double %v49 %v60 = select i1 undef, double %v54, double %v50 %v61 = select i1 undef, double %v56, double %v52 %v62 = select i1 false, double %v58, double %v53 %v63 = load double, double* undef, align 8, !tbaa !0 %v64 = select i1 undef, double %v63, double %v55 %v65 = load double, double* undef, align 8, !tbaa !0 %v66 = select i1 undef, double %v65, double %v57 %v67 = load double, double* null, align 8, !tbaa !0 %v68 = select i1 undef, double %v67, double %v59 %v69 = fcmp ogt double %v60, %v63 %v70 = select i1 %v69, double %v63, double %v60 %v71 = select i1 false, double %v65, double %v61 %v72 = select i1 false, double %v67, double %v62 %v73 = load double, double* null, align 8, !tbaa !0 %v74 = fcmp olt double %v64, %v73 %v75 = select i1 %v74, double %v73, double %v64 %v76 = load double, double* null, align 8, !tbaa !0 %v77 = fcmp olt double %v66, %v76 %v78 = select i1 %v77, double %v76, double %v66 %v79 = fcmp olt double %v68, 0.000000e+00 %v80 = select i1 %v79, double 0.000000e+00, double %v68 %v81 = select i1 undef, double %v73, double %v70 %v82 = select i1 undef, double %v76, double %v71 %v83 = fcmp ogt double %v72, 0.000000e+00 %v84 = select i1 %v83, double 0.000000e+00, double %v72 br i1 false, label %b20, label %b19 b20: ; preds = %b19, %b18, %b6 unreachable } declare i32 @f1(...) ; Function Attrs: nounwind declare noalias i8* @f2() #0 declare %s.0* @f3(...) attributes #0 = { nounwind } !0 = !{!1, !1, i64 0} !1 = !{!"double", !2} !2 = !{!"omnipotent char", !3} !3 = !{!"Simple C/C++ TBAA"}