1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -S -passes='loop(indvars,loop-deletion),simplifycfg' -simplifycfg-require-and-preserve-domtree=1 | FileCheck %s
5 ; Indvars and loop deletion should be able to eliminate all looping
8 target datalayout = "e-p:64:64:64"
10 define i32 @pmat(i32 %m, i32 %n, ptr %y) nounwind {
13 ; CHECK-NEXT: [[CMP4:%.*]] = icmp sgt i32 [[M:%.*]], 0
14 ; CHECK-NEXT: ret i32 0
17 %cmp4 = icmp sgt i32 %m, 0
18 br i1 %cmp4, label %bb.n10, label %w.e12
21 %cmp = icmp slt i32 %inc11, %m
22 br i1 %cmp, label %w.c2.p, label %w.c.w.e12c
25 br label %w.c.w.e12c.s
31 %cmp51 = icmp sgt i32 %n, 0
32 br i1 %cmp51, label %bb.n10.w.c.w.e12c.sc, label %bb.n10.bb.n10.sc
38 br label %w.c.w.e12c.s
44 %i.05 = phi i32 [ 0, %bb.n10.s ], [ %inc11, %w.c ]
45 br i1 false, label %bb.n, label %w.e
48 br i1 undef, label %w.b6, label %w.c2.w.ec
60 %i.08 = phi i32 [ undef, %w.c2.w.ec ], [ %i.05, %w.c2.p ]
61 %inc11 = add nsw i32 %i.08, 1
68 ; CHECK: attributes #0 = { nounwind }