1 ; RUN: llvm-as < %s | opt -gvn | llvm-dis | grep {DEAD.rle = phi i32}
2 ; The %7 and %4 loads combine to make %DEAD unneeded.
3 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
4 target triple = "i386-apple-darwin7"
5 @H = common global [100 x i32] zeroinitializer, align 32 ; <[100 x i32]*> [#uses=3]
6 @G = common global i32 0 ; <i32*> [#uses=2]
8 define i32 @test(i32 %i) nounwind {
10 %0 = tail call i32 (...)* @foo() nounwind ; <i32> [#uses=1]
11 %1 = icmp eq i32 %0, 0 ; <i1> [#uses=1]
12 br i1 %1, label %bb1, label %bb
15 %2 = tail call i32 (...)* @bar() nounwind ; <i32> [#uses=0]
16 %3 = getelementptr [100 x i32]* @H, i32 0, i32 %i ; <i32*> [#uses=1]
17 %4 = load i32* %3, align 4 ; <i32> [#uses=1]
18 store i32 %4, i32* @G, align 4
22 %5 = tail call i32 (...)* @baz() nounwind ; <i32> [#uses=0]
23 %6 = getelementptr [100 x i32]* @H, i32 0, i32 %i ; <i32*> [#uses=1]
24 %7 = load i32* %6, align 4 ; <i32> [#uses=2]
25 store i32 %7, i32* @G, align 4
26 %8 = icmp eq i32 %7, 0 ; <i1> [#uses=1]
27 br i1 %8, label %bb3, label %bb4
29 bb3: ; preds = %bb1, %bb
30 %9 = getelementptr [100 x i32]* @H, i32 0, i32 %i ; <i32*> [#uses=1]
31 %DEAD = load i32* %9, align 4 ; <i32> [#uses=1]