X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=test%2FTransforms%2FLoopStrengthReduce%2F2009-04-28-no-reduce-mul.ll;h=8e890e84bccff170350be53f49767e988e72c8a4;hb=5a70dd1d8286faa4713b60da7621094d892e2ffc;hp=93900802a1966cf574acf93170f65d531fa82bb4;hpb=7c1a96c7a7740eaba015b7ed9c4308ef7a3c128b;p=oota-llvm.git diff --git a/test/Transforms/LoopStrengthReduce/2009-04-28-no-reduce-mul.ll b/test/Transforms/LoopStrengthReduce/2009-04-28-no-reduce-mul.ll index 93900802a19..8e890e84bcc 100644 --- a/test/Transforms/LoopStrengthReduce/2009-04-28-no-reduce-mul.ll +++ b/test/Transforms/LoopStrengthReduce/2009-04-28-no-reduce-mul.ll @@ -1,8 +1,12 @@ -; RUN: opt %s -loop-reduce -S \ -; RUN: | grep {getelementptr.*%lsr.iv.*%lsr.iv.*} +; RUN: opt < %s -loop-reduce -S | FileCheck %s + ; The multiply in bb2 must not be reduced to an add, as the sext causes the ; %1 argument to become negative after a while. -; ModuleID = '' + +; CHECK: sext i8 +; CHECK: mul i32 +; CHECK: store 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-darwin9.6" @table = common global [32 x [256 x i32]] zeroinitializer, align 32 ; <[32 x [256 x i32]]*> [#uses=2] @@ -17,7 +21,7 @@ bb2: ; preds = %bb4, %bb2, %bb4.thread %0 = trunc i32 %j.0.reg2mem.0 to i8 ; [#uses=1] %1 = sext i8 %0 to i32 ; [#uses=1] %2 = mul i32 %1, %i.0.reg2mem.0.ph ; [#uses=1] - %3 = getelementptr [32 x [256 x i32]]* @table, i32 0, i32 %i.0.reg2mem.0.ph, i32 %j.0.reg2mem.0 ; [#uses=1] + %3 = getelementptr [32 x [256 x i32]], [32 x [256 x i32]]* @table, i32 0, i32 %i.0.reg2mem.0.ph, i32 %j.0.reg2mem.0 ; [#uses=1] store i32 %2, i32* %3, align 4 %indvar.next = add i32 %j.0.reg2mem.0, 1 ; [#uses=2] %exitcond = icmp eq i32 %indvar.next, 256 ; [#uses=1] @@ -29,7 +33,7 @@ bb4: ; preds = %bb2 br i1 %exitcond10, label %bb5, label %bb2 bb5: ; preds = %bb4 - %4 = load i32* getelementptr ([32 x [256 x i32]]* @table, i32 0, i32 9, i32 132), align 16 ; [#uses=1] + %4 = load i32, i32* getelementptr ([32 x [256 x i32]], [32 x [256 x i32]]* @table, i32 0, i32 9, i32 132), align 16 ; [#uses=1] %5 = icmp eq i32 %4, -1116 ; [#uses=1] br i1 %5, label %bb7, label %bb6