119 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			119 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -verify-machineinstrs -mcpu=pwr8 -mtriple=powerpc64le-unknown-linux-gnu < %s | FileCheck %s
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| while.end.loopexit:                               ; preds = %while.cond.backedge
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|   br label %while.end
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| ; CHECK: mfocrf {{[0-9]+}}
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| 
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| !llvm.ident = !{!0}
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| 
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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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