1 ; RUN: opt < %s -indvars -S | FileCheck %s 2 ; Test indvars' ability to hoist new sext created by WidenIV. 3 ; From ffbench. 4 5 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" 6 define internal double @fourn(double* %data, i32 %x, i32 %y, i32 %n) nounwind { 7 ; CHECK: entry: 8 ; CHECK: sext 9 ; CHECK: sext 10 entry: 11 br label %for.body 12 13 ; CHECK: for.body: 14 ; CHECK-NOT: sext 15 ; CHECK: br 16 for.body: 17 %i2.115 = phi i32 [ 0, %entry ], [ %add249, %for.body ] 18 %add174 = add nsw i32 %i2.115, %x 19 %idxprom177 = sext i32 %add174 to i64 20 %arrayidx179 = getelementptr inbounds double* %data, i64 %idxprom177 21 %tmp180 = load double* %arrayidx179, align 8 22 %add249 = add nsw i32 %i2.115, %y 23 %cmp168 = icmp sgt i32 %add249, %n 24 br i1 %cmp168, label %exit, label %for.body 25 26 exit: 27 ret double %tmp180 28 } 29
