blob: d66c627b184c720a21c28ebebcfd2e880b0c1463 [file] [log] [blame]
Victor Hernandezf3db9152009-11-07 00:16:28 +00001; RUN: opt < %s -globalopt -S | FileCheck %s
2target 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"
Chris Lattner590b10d2008-12-15 21:46:23 +00003
Chris Lattner590b10d2008-12-15 21:46:23 +00004 %struct.foo = type { i32, i32 }
5@X = internal global %struct.foo* null ; <%struct.foo**> [#uses=2]
Victor Hernandezf3db9152009-11-07 00:16:28 +00006; CHECK: @X.f0
7; CHECK: @X.f1
Chris Lattner590b10d2008-12-15 21:46:23 +00008
Chris Lattner06a456b2008-12-16 21:04:51 +00009define void @bar(i32 %Size) nounwind noinline {
Chris Lattner590b10d2008-12-15 21:46:23 +000010entry:
Victor Hernandezf3db9152009-11-07 00:16:28 +000011 %malloccall = tail call i8* @malloc(i64 8000000) ; <i8*> [#uses=1]
12 %0 = bitcast i8* %malloccall to [1000000 x %struct.foo]* ; <[1000000 x %struct.foo]*> [#uses=1]
David Blaikie79e6c742015-02-27 19:29:02 +000013 %.sub = getelementptr [1000000 x %struct.foo], [1000000 x %struct.foo]* %0, i32 0, i32 0 ; <%struct.foo*> [#uses=1]
Chris Lattner590b10d2008-12-15 21:46:23 +000014 store %struct.foo* %.sub, %struct.foo** @X, align 4
15 ret void
16}
17
Victor Hernandezf3db9152009-11-07 00:16:28 +000018declare noalias i8* @malloc(i64)
19
Chris Lattner06a456b2008-12-16 21:04:51 +000020define i32 @baz() nounwind readonly noinline {
Chris Lattner590b10d2008-12-15 21:46:23 +000021bb1.thread:
David Blaikiea79ac142015-02-27 21:17:42 +000022 %0 = load %struct.foo*, %struct.foo** @X, align 4 ; <%struct.foo*> [#uses=1]
Chris Lattner590b10d2008-12-15 21:46:23 +000023 br label %bb1
24
25bb1: ; preds = %bb1, %bb1.thread
26 %i.0.reg2mem.0 = phi i32 [ 0, %bb1.thread ], [ %indvar.next, %bb1 ] ; <i32> [#uses=2]
27 %sum.0.reg2mem.0 = phi i32 [ 0, %bb1.thread ], [ %3, %bb1 ] ; <i32> [#uses=1]
David Blaikie79e6c742015-02-27 19:29:02 +000028 %1 = getelementptr %struct.foo, %struct.foo* %0, i32 %i.0.reg2mem.0, i32 0 ; <i32*> [#uses=1]
David Blaikiea79ac142015-02-27 21:17:42 +000029 %2 = load i32, i32* %1, align 4 ; <i32> [#uses=1]
Chris Lattner590b10d2008-12-15 21:46:23 +000030 %3 = add i32 %2, %sum.0.reg2mem.0 ; <i32> [#uses=2]
31 %indvar.next = add i32 %i.0.reg2mem.0, 1 ; <i32> [#uses=2]
32 %exitcond = icmp eq i32 %indvar.next, 1200 ; <i1> [#uses=1]
33 br i1 %exitcond, label %bb2, label %bb1
34
35bb2: ; preds = %bb1
36 ret i32 %3
37}
38