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1; RUN: llc -mtriple=thumbv7-apple-ios -disable-block-placement < %s | FileCheck %s2; RUN: llc -mtriple=armv7-apple-ios -disable-block-placement < %s | FileCheck %s3 4; LLVM IR optimizers canonicalize icmp+select this way.5; Make sure that TwoAddressInstructionPass can commute the corresponding6; MOVCC instructions to avoid excessive copies in one of the if blocks.7;8; CHECK: %if.then9; CHECK-NOT: mov10; CHECK: movlo11; CHECK: movlo12; CHECK-NOT: mov13 14; CHECK: %if.else15; CHECK-NOT: mov16; CHECK: movls17; CHECK: movls18; CHECK-NOT: mov19 20; This is really an LSR test: Make sure that cmp is using the incremented21; induction variable.22; CHECK: %if.end823; CHECK: add{{(s|\.w)?}} [[IV:r[0-9]+]], {{.*}}#124; CHECK: cmp [[IV]], #25 26define i32 @f(ptr nocapture %a, i32 %Pref) nounwind ssp {27entry:28 br label %for.body29 30for.body: ; preds = %entry, %if.end831 %i.012 = phi i32 [ 0, %entry ], [ %inc, %if.end8 ]32 %BestCost.011 = phi i32 [ -1, %entry ], [ %BestCost.1, %if.end8 ]33 %BestIdx.010 = phi i32 [ 0, %entry ], [ %BestIdx.1, %if.end8 ]34 %arrayidx = getelementptr inbounds i32, ptr %a, i32 %i.01235 %0 = load i32, ptr %arrayidx, align 436 %mul = mul i32 %0, %037 %sub = add nsw i32 %i.012, -538 %cmp2 = icmp eq i32 %sub, %Pref39 br i1 %cmp2, label %if.else, label %if.then40 41if.then: ; preds = %for.body42 %cmp3 = icmp ult i32 %mul, %BestCost.01143 %i.0.BestIdx.0 = select i1 %cmp3, i32 %i.012, i32 %BestIdx.01044 %mul.BestCost.0 = select i1 %cmp3, i32 %mul, i32 %BestCost.01145 br label %if.end846 47if.else: ; preds = %for.body48 %cmp5 = icmp ugt i32 %mul, %BestCost.01149 %BestIdx.0.i.0 = select i1 %cmp5, i32 %BestIdx.010, i32 %i.01250 %BestCost.0.mul = select i1 %cmp5, i32 %BestCost.011, i32 %mul51 br label %if.end852 53if.end8: ; preds = %if.else, %if.then54 %BestIdx.1 = phi i32 [ %i.0.BestIdx.0, %if.then ], [ %BestIdx.0.i.0, %if.else ]55 %BestCost.1 = phi i32 [ %mul.BestCost.0, %if.then ], [ %BestCost.0.mul, %if.else ]56 store i32 %mul, ptr %arrayidx, align 457 %inc = add i32 %i.012, 158 %cmp = icmp eq i32 %inc, 1159 br i1 %cmp, label %for.end, label %for.body60 61for.end: ; preds = %if.end862 ret i32 %BestIdx.163}64