| ; RUN: opt < %s -passes=instcombine -S | grep "load volatile" | count 2 |
| ; PR2262 |
| 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-darwin8" |
| @g_1 = internal global i32 0 ; <ptr> [#uses=3] |
| |
| define i32 @main(i32 %i) nounwind { |
| entry: |
| %tmp93 = icmp slt i32 %i, 10 ; <i1> [#uses=0] |
| %tmp34 = load volatile i32, ptr @g_1, align 4 ; <i32> [#uses=1] |
| br i1 %tmp93, label %bb11, label %bb |
| |
| bb: ; preds = %bb, %entry |
| %tmp3 = load volatile i32, ptr @g_1, align 4 ; <i32> [#uses=1] |
| br label %bb11 |
| |
| bb11: ; preds = %bb |
| %tmp4 = phi i32 [ %tmp34, %entry ], [ %tmp3, %bb ] ; <i32> [#uses=1] |
| ret i32 %tmp4 |
| } |
| |