1 ; RUN: llc -verify-machineinstrs -mcpu=pwr8 -mtriple=powerpc64le-unknown-linux-gnu < %s | FileCheck %s 2 3 %struct.anon = type { %struct.anon.0, %struct.anon.1 } 4 %struct.anon.0 = type { i32 } 5 %struct.anon.1 = type { i32 } 6 7 @i = common global i32 0, align 4 8 @b = common global i32* null, align 8 9 @c = common global i32 0, align 4 10 @a = common global i32 0, align 4 11 @h = common global i32 0, align 4 12 @g = common global i32 0, align 4 13 @j = common global i32 0, align 4 14 @f = common global %struct.anon zeroinitializer, align 4 15 @d = common global i32 0, align 4 16 @e = common global i32 0, align 4 17 18 ; Function Attrs: norecurse nounwind 19 define signext i32 @fn1(i32* nocapture %p1, i32 signext %p2, i32* nocapture %p3) { 20 entry: 21 %0 = load i32, i32* @i, align 4, !tbaa !1 22 %cond = icmp eq i32 %0, 8 23 br i1 %cond, label %if.end16, label %while.cond.preheader 24 25 while.cond.preheader: ; preds = %entry 26 %1 = load i32*, i32** @b, align 8, !tbaa !5 27 %2 = load i32, i32* %1, align 4, !tbaa !1 28 %tobool18 = icmp eq i32 %2, 0 29 br i1 %tobool18, label %while.end, label %while.body.lr.ph 30 31 while.body.lr.ph: ; preds = %while.cond.preheader 32 %.pre = load i32, i32* @c, align 4, !tbaa !1 33 br label %while.body 34 35 while.body: ; preds = %while.body.backedge, %while.body.lr.ph 36 switch i32 %.pre, label %while.body.backedge [ 37 i32 0, label %sw.bb1 38 i32 80, label %sw.bb1 39 i32 60, label %sw.bb1 40 i32 240, label %while.cond.backedge 41 ] 42 43 while.body.backedge: ; preds = %while.body, %while.cond.backedge 44 br label %while.body 45 46 sw.bb1: ; preds = %while.body, %while.body, %while.body 47 store i32 2, i32* @a, align 4, !tbaa !1 48 br label %while.cond.backedge 49 50 while.cond.backedge: ; preds = %while.body, %sw.bb1 51 store i32 4, i32* @a, align 4, !tbaa !1 52 %.pre19 = load i32, i32* %1, align 4, !tbaa !1 53 %tobool = icmp eq i32 %.pre19, 0 54 br i1 %tobool, label %while.end.loopexit, label %while.body.backedge 55 56 while.end.loopexit: ; preds = %while.cond.backedge 57 br label %while.end 58 59 while.end: ; preds = %while.end.loopexit, %while.cond.preheader 60 %3 = load i32, i32* @h, align 4, !tbaa !1 61 %mul = mul nsw i32 %0, %3 62 %4 = load i32, i32* @g, align 4, !tbaa !1 63 %mul4 = mul nsw i32 %mul, %4 64 store i32 %mul4, i32* @j, align 4, !tbaa !1 65 %5 = load i32, i32* getelementptr inbounds (%struct.anon, %struct.anon* @f, i64 0, i32 0, i32 0), align 4, !tbaa !7 66 %tobool5 = icmp eq i32 %5, 0 67 br i1 %tobool5, label %if.end, label %if.then 68 69 if.then: ; preds = %while.end 70 %div = sdiv i32 %5, %mul 71 store i32 %div, i32* @g, align 4, !tbaa !1 72 br label %if.end 73 74 if.end: ; preds = %while.end, %if.then 75 %6 = phi i32 [ %4, %while.end ], [ %div, %if.then ] 76 %7 = load i32, i32* getelementptr inbounds (%struct.anon, %struct.anon* @f, i64 0, i32 1, i32 0), align 4, !tbaa !10 77 %tobool7 = icmp ne i32 %7, 0 78 %tobool8 = icmp ne i32 %mul4, 0 79 %or.cond = and i1 %tobool7, %tobool8 80 %tobool10 = icmp ne i32 %0, 0 81 %or.cond17 = and i1 %or.cond, %tobool10 82 br i1 %or.cond17, label %if.then11, label %if.end13 83 84 if.then11: ; preds = %if.end 85 store i32 %3, i32* @d, align 4, !tbaa !1 86 %8 = load i32, i32* @e, align 4, !tbaa !1 87 store i32 %8, i32* %p3, align 4, !tbaa !1 88 %.pre20 = load i32, i32* @g, align 4, !tbaa !1 89 br label %if.end13 90 91 if.end13: ; preds = %if.then11, %if.end 92 %9 = phi i32 [ %.pre20, %if.then11 ], [ %6, %if.end ] 93 %tobool14 = icmp eq i32 %9, 0 94 br i1 %tobool14, label %if.end16, label %if.then15 95 96 if.then15: ; preds = %if.end13 97 store i32 %p2, i32* %p1, align 4, !tbaa !1 98 br label %if.end16 99 100 if.end16: ; preds = %entry, %if.end13, %if.then15 101 ret i32 2 102 } 103 104 ; CHECK: mfocrf {{[0-9]+}} 105 106 !llvm.ident = !{!0} 107 108 !0 = !{!"clang version 3.9.0 (trunk 261520)"} 109 !1 = !{!2, !2, i64 0} 110 !2 = !{!"int", !3, i64 0} 111 !3 = !{!"omnipotent char", !4, i64 0} 112 !4 = !{!"Simple C/C++ TBAA"} 113 !5 = !{!6, !6, i64 0} 114 !6 = !{!"any pointer", !3, i64 0} 115 !7 = !{!8, !2, i64 0} 116 !8 = !{!"", !9, i64 0, !9, i64 4} 117 !9 = !{!"", !2, i64 0} 118 !10 = !{!8, !2, i64 4} 119
