| ; RUN: llc -verify-machineinstrs -mcpu=pwr8 -mtriple=powerpc64le-unknown-linux-gnu < %s | FileCheck %s |
| |
| %struct.anon = type { %struct.anon.0, %struct.anon.1 } |
| %struct.anon.0 = type { i32 } |
| %struct.anon.1 = type { i32 } |
| |
| @i = common global i32 0, align 4 |
| @b = common global i32* null, align 8 |
| @c = common global i32 0, align 4 |
| @a = common global i32 0, align 4 |
| @h = common global i32 0, align 4 |
| @g = common global i32 0, align 4 |
| @j = common global i32 0, align 4 |
| @f = common global %struct.anon zeroinitializer, align 4 |
| @d = common global i32 0, align 4 |
| @e = common global i32 0, align 4 |
| |
| ; Function Attrs: norecurse nounwind |
| define signext i32 @fn1(i32* nocapture %p1, i32 signext %p2, i32* nocapture %p3) { |
| entry: |
| %0 = load i32, i32* @i, align 4, !tbaa !1 |
| %cond = icmp eq i32 %0, 8 |
| br i1 %cond, label %if.end16, label %while.cond.preheader |
| |
| while.cond.preheader: ; preds = %entry |
| %1 = load i32*, i32** @b, align 8, !tbaa !5 |
| %2 = load i32, i32* %1, align 4, !tbaa !1 |
| %tobool18 = icmp eq i32 %2, 0 |
| br i1 %tobool18, label %while.end, label %while.body.lr.ph |
| |
| while.body.lr.ph: ; preds = %while.cond.preheader |
| %.pre = load i32, i32* @c, align 4, !tbaa !1 |
| br label %while.body |
| |
| while.body: ; preds = %while.body.backedge, %while.body.lr.ph |
| switch i32 %.pre, label %while.body.backedge [ |
| i32 0, label %sw.bb1 |
| i32 80, label %sw.bb1 |
| i32 60, label %sw.bb1 |
| i32 240, label %while.cond.backedge |
| ] |
| |
| while.body.backedge: ; preds = %while.body, %while.cond.backedge |
| br label %while.body |
| |
| sw.bb1: ; preds = %while.body, %while.body, %while.body |
| store i32 2, i32* @a, align 4, !tbaa !1 |
| br label %while.cond.backedge |
| |
| while.cond.backedge: ; preds = %while.body, %sw.bb1 |
| store i32 4, i32* @a, align 4, !tbaa !1 |
| %.pre19 = load i32, i32* %1, align 4, !tbaa !1 |
| %tobool = icmp eq i32 %.pre19, 0 |
| br i1 %tobool, label %while.end.loopexit, label %while.body.backedge |
| |
| while.end.loopexit: ; preds = %while.cond.backedge |
| br label %while.end |
| |
| while.end: ; preds = %while.end.loopexit, %while.cond.preheader |
| %3 = load i32, i32* @h, align 4, !tbaa !1 |
| %mul = mul nsw i32 %0, %3 |
| %4 = load i32, i32* @g, align 4, !tbaa !1 |
| %mul4 = mul nsw i32 %mul, %4 |
| store i32 %mul4, i32* @j, align 4, !tbaa !1 |
| %5 = load i32, i32* getelementptr inbounds (%struct.anon, %struct.anon* @f, i64 0, i32 0, i32 0), align 4, !tbaa !7 |
| %tobool5 = icmp eq i32 %5, 0 |
| br i1 %tobool5, label %if.end, label %if.then |
| |
| if.then: ; preds = %while.end |
| %div = sdiv i32 %5, %mul |
| store i32 %div, i32* @g, align 4, !tbaa !1 |
| br label %if.end |
| |
| if.end: ; preds = %while.end, %if.then |
| %6 = phi i32 [ %4, %while.end ], [ %div, %if.then ] |
| %7 = load i32, i32* getelementptr inbounds (%struct.anon, %struct.anon* @f, i64 0, i32 1, i32 0), align 4, !tbaa !10 |
| %tobool7 = icmp ne i32 %7, 0 |
| %tobool8 = icmp ne i32 %mul4, 0 |
| %or.cond = and i1 %tobool7, %tobool8 |
| %tobool10 = icmp ne i32 %0, 0 |
| %or.cond17 = and i1 %or.cond, %tobool10 |
| br i1 %or.cond17, label %if.then11, label %if.end13 |
| |
| if.then11: ; preds = %if.end |
| store i32 %3, i32* @d, align 4, !tbaa !1 |
| %8 = load i32, i32* @e, align 4, !tbaa !1 |
| store i32 %8, i32* %p3, align 4, !tbaa !1 |
| %.pre20 = load i32, i32* @g, align 4, !tbaa !1 |
| br label %if.end13 |
| |
| if.end13: ; preds = %if.then11, %if.end |
| %9 = phi i32 [ %.pre20, %if.then11 ], [ %6, %if.end ] |
| %tobool14 = icmp eq i32 %9, 0 |
| br i1 %tobool14, label %if.end16, label %if.then15 |
| |
| if.then15: ; preds = %if.end13 |
| store i32 %p2, i32* %p1, align 4, !tbaa !1 |
| br label %if.end16 |
| |
| if.end16: ; preds = %entry, %if.end13, %if.then15 |
| ret i32 2 |
| } |
| |
| ; CHECK: mfocrf {{[0-9]+}} |
| |
| !llvm.ident = !{!0} |
| |
| !0 = !{!"clang version 3.9.0 (trunk 261520)"} |
| !1 = !{!2, !2, i64 0} |
| !2 = !{!"int", !3, i64 0} |
| !3 = !{!"omnipotent char", !4, i64 0} |
| !4 = !{!"Simple C/C++ TBAA"} |
| !5 = !{!6, !6, i64 0} |
| !6 = !{!"any pointer", !3, i64 0} |
| !7 = !{!8, !2, i64 0} |
| !8 = !{!"", !9, i64 0, !9, i64 4} |
| !9 = !{!"", !2, i64 0} |
| !10 = !{!8, !2, i64 4} |
