| ; RUN: llvm-as < %s | opt -gvn | llvm-dis | grep {%cv = phi i32} |
| ; RUN: llvm-as < %s | opt -gvn | llvm-dis | grep {%bv = phi i32} |
| 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" |
| target triple = "i386-apple-darwin7" |
| |
| define i32 @g(i32* %b, i32* %c) nounwind { |
| entry: |
| %g = alloca i32 ; <i32*> [#uses=4] |
| %t1 = icmp eq i32* %b, null ; <i1> [#uses=1] |
| br i1 %t1, label %bb, label %bb1 |
| |
| bb: ; preds = %entry |
| %t2 = load i32* %c, align 4 ; <i32> [#uses=1] |
| %t3 = add i32 %t2, 1 ; <i32> [#uses=1] |
| store i32 %t3, i32* %g, align 4 |
| br label %bb2 |
| |
| bb1: ; preds = %entry |
| %t5 = load i32* %b, align 4 ; <i32> [#uses=1] |
| %t6 = add i32 %t5, 1 ; <i32> [#uses=1] |
| store i32 %t6, i32* %g, align 4 |
| br label %bb2 |
| |
| bb2: ; preds = %bb1, %bb |
| %c_addr.0 = phi i32* [ %g, %bb1 ], [ %c, %bb ] ; <i32*> [#uses=1] |
| %b_addr.0 = phi i32* [ %b, %bb1 ], [ %g, %bb ] ; <i32*> [#uses=1] |
| %cv = load i32* %c_addr.0, align 4 ; <i32> [#uses=1] |
| %bv = load i32* %b_addr.0, align 4 ; <i32> [#uses=1] |
| %ret = add i32 %cv, %bv ; <i32> [#uses=1] |
| ret i32 %ret |
| } |
| |