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