llvm/test/Transforms/InstCombine/2008-04-29-VolatileLoadMerge.ll
Dan Gohman f2f6ce65b7 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-11 18:01:28 +00:00

22 lines
711 B
LLVM

; RUN: opt < %s -instcombine -S | grep {volatile load} | 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 = volatile load i32* @g_1, align 4 ; <i32> [#uses=1]
br i1 %tmp93, label %bb11, label %bb
bb: ; preds = %bb, %entry
%tmp3 = volatile load 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
}