1 ; RUN: opt < %s -S -indvars -loop-deletion -simplifycfg | FileCheck %s
4 ; Indvars and loop deletion should be able to eliminate all looping
7 ; CHECK: define i32 @pmat(i32 %m, i32 %n, double* %y) #0 {
9 ; CHECK-NEXT: ret i32 0
12 target datalayout = "e-p:64:64:64"
14 define i32 @pmat(i32 %m, i32 %n, double* %y) nounwind {
16 %cmp4 = icmp sgt i32 %m, 0
17 br i1 %cmp4, label %bb.n10, label %w.e12
20 %cmp = icmp slt i32 %inc11, %m
21 br i1 %cmp, label %w.c2.p, label %w.c.w.e12c
24 br label %w.c.w.e12c.s
30 %cmp51 = icmp sgt i32 %n, 0
31 br i1 %cmp51, label %bb.n10.w.c.w.e12c.sc, label %bb.n10.bb.n10.sc
37 br label %w.c.w.e12c.s
43 %i.05 = phi i32 [ 0, %bb.n10.s ], [ %inc11, %w.c ]
44 br i1 false, label %bb.n, label %w.e
47 br i1 undef, label %w.b6, label %w.c2.w.ec
59 %i.08 = phi i32 [ undef, %w.c2.w.ec ], [ %i.05, %w.c2.p ]
60 %inc11 = add nsw i32 %i.08, 1
67 ; CHECK: attributes #0 = { nounwind }