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45 lines
1.9 KiB
LLVM
45 lines
1.9 KiB
LLVM
; RUN: opt < %s -globalopt -S | FileCheck %s
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; CHECK: tmp.f1 = phi i32*
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; CHECK: tmp.f0 = phi i32*
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target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
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%struct.foo = type { i32, i32 }
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@X = internal global %struct.foo* null ; <%struct.foo**> [#uses=2]
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define void @bar(i32 %Size) nounwind noinline {
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entry:
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%malloccall = tail call i8* @malloc(i64 8000000) ; <i8*> [#uses=1]
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%tmp = bitcast i8* %malloccall to [1000000 x %struct.foo]* ; <[1000000 x %struct.foo]*> [#uses=1]
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%.sub = getelementptr [1000000 x %struct.foo], [1000000 x %struct.foo]* %tmp, i32 0, i32 0 ; <%struct.foo*> [#uses=1]
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store %struct.foo* %.sub, %struct.foo** @X, align 4
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ret void
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}
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declare noalias i8* @malloc(i64)
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define i32 @baz() nounwind readonly noinline {
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bb1.thread:
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%tmpLD1 = load %struct.foo*, %struct.foo** @X, align 4 ; <%struct.foo*> [#uses=1]
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br label %bb1
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bb1: ; preds = %bb1, %bb1.thread
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%tmp = phi %struct.foo* [%tmpLD1, %bb1.thread ], [ %tmpLD2, %bb1 ] ; <i32> [#uses=2]
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%i.0.reg2mem.0 = phi i32 [ 0, %bb1.thread ], [ %indvar.next, %bb1 ] ; <i32> [#uses=2]
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%sum.0.reg2mem.0 = phi i32 [ 0, %bb1.thread ], [ %tmp3, %bb1 ] ; <i32> [#uses=1]
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%tmp1 = getelementptr %struct.foo, %struct.foo* %tmp, i32 %i.0.reg2mem.0, i32 0 ; <i32*> [#uses=1]
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%tmp2 = load i32, i32* %tmp1, align 4 ; <i32> [#uses=1]
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%tmp6 = add i32 %tmp2, %sum.0.reg2mem.0 ; <i32> [#uses=2]
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%tmp4 = getelementptr %struct.foo, %struct.foo* %tmp, i32 %i.0.reg2mem.0, i32 1 ; <i32*> [#uses=1]
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%tmp5 = load i32 , i32 * %tmp4
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%tmp3 = add i32 %tmp5, %tmp6
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%indvar.next = add i32 %i.0.reg2mem.0, 1 ; <i32> [#uses=2]
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%tmpLD2 = load %struct.foo*, %struct.foo** @X, align 4 ; <%struct.foo*> [#uses=1]
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%exitcond = icmp eq i32 %indvar.next, 1200 ; <i1> [#uses=1]
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br i1 %exitcond, label %bb2, label %bb1
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bb2: ; preds = %bb1
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ret i32 %tmp3
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}
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