linux-packaging-mono/external/llvm/test/Analysis/ScalarEvolution/2007-08-06-MisinterpretBranch.ll
Xamarin Public Jenkins (auto-signing) 8e12397d70 Imported Upstream version 5.18.0.205
Former-commit-id: 7f59f7e792705db773f1caecdaa823092f4e2927
2018-11-16 08:20:38 +00:00

21 lines
590 B
LLVM

; RUN: opt < %s -indvars -adce -simplifycfg -S | FileCheck %s
; PR1598
; CHECK: icmp s
define i32 @f(i32 %a, i32 %b, i32 %x, i32 %y) {
entry:
%tmp3 = icmp eq i32 %a, %b ; <i1> [#uses=1]
br i1 %tmp3, label %return, label %bb
bb: ; preds = %bb, %entry
%x_addr.0 = phi i32 [ %tmp6, %bb ], [ %x, %entry ] ; <i32> [#uses=1]
%tmp6 = add i32 %x_addr.0, 1 ; <i32> [#uses=3]
%tmp9 = icmp slt i32 %tmp6, %y ; <i1> [#uses=1]
br i1 %tmp9, label %bb, label %return
return: ; preds = %bb, %entry
%x_addr.1 = phi i32 [ %x, %entry ], [ %tmp6, %bb ] ; <i32> [#uses=1]
ret i32 %x_addr.1
}