| ; RUN: opt -loop-idiom < %s -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" |
| target triple = "x86_64-apple-darwin10.0.0" |
| |
| ; CHECK: @memset |
| ; CHECK-NOT: llvm.memset |
| define i8* @memset(i8* %b, i32 %c, i64 %len) nounwind uwtable ssp { |
| entry: |
| %cmp1 = icmp ult i64 0, %len |
| br i1 %cmp1, label %for.body.lr.ph, label %for.end |
| |
| for.body.lr.ph: ; preds = %entry |
| %conv6 = trunc i32 %c to i8 |
| br label %for.body |
| |
| for.body: ; preds = %for.body.lr.ph, %for.body |
| %indvar = phi i64 [ 0, %for.body.lr.ph ], [ %indvar.next, %for.body ] |
| %p.02 = getelementptr i8* %b, i64 %indvar |
| store i8 %conv6, i8* %p.02, align 1 |
| %indvar.next = add i64 %indvar, 1 |
| %exitcond = icmp ne i64 %indvar.next, %len |
| br i1 %exitcond, label %for.body, label %for.cond.for.end_crit_edge |
| |
| for.cond.for.end_crit_edge: ; preds = %for.body |
| br label %for.end |
| |
| for.end: ; preds = %for.cond.for.end_crit_edge, %entry |
| ret i8* %b |
| } |
| |
