forked from OSchip/llvm-project
22 lines
721 B
LLVM
22 lines
721 B
LLVM
; RUN: opt < %s -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 ; <i32*> [#uses=3]
|
|
|
|
define i32 @main(i32 %i) nounwind {
|
|
entry:
|
|
%tmp93 = icmp slt i32 %i, 10 ; <i1> [#uses=0]
|
|
%tmp34 = load volatile i32, i32* @g_1, align 4 ; <i32> [#uses=1]
|
|
br i1 %tmp93, label %bb11, label %bb
|
|
|
|
bb: ; preds = %bb, %entry
|
|
%tmp3 = load volatile i32, i32* @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
|
|
}
|
|
|