| ; RUN: opt < %s -indvars -S | FileCheck %s |
| 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-S128" |
| target triple = "x86_64-apple-macosx" |
| |
| ; CHECK-LABEL: @test1 |
| ; CHECK: %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| define i32 @test1(i32* %a) #0 { |
| entry: |
| br label %for.cond |
| |
| for.cond: ; preds = %for.body, %entry |
| %sum.0 = phi i32 [ 0, %entry ], [ %add, %for.body ] |
| %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ] |
| %cmp = icmp slt i32 %i.0, 1000 |
| br i1 %cmp, label %for.body, label %for.end |
| |
| for.body: ; preds = %for.cond |
| %idxprom = sext i32 %i.0 to i64 |
| %arrayidx = getelementptr inbounds i32, i32* %a, i64 %idxprom |
| %0 = load i32, i32* %arrayidx, align 4 |
| %add = add nsw i32 %sum.0, %0 |
| %inc = add nsw i32 %i.0, 1 |
| br label %for.cond |
| |
| for.end: ; preds = %for.cond |
| ret i32 %sum.0 |
| } |
| |
| attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" } |
