; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -passes='loop(indvars,loop-deletion)' -S %s | FileCheck %s
+; RUN: opt -passes='loop(indvars,loop-deletion)' -verify-scev -S %s | FileCheck %s
; Make sure indvarsimplify properly forgets the exit value %p.2.lcssa phi after
; modifying it. Loop deletion is required to show the incorrect use of the cached
%inc.lcssa.lcssa = phi i8 [ %inc.lcssa, %loop.1.latch ]
ret i8 %inc.lcssa.lcssa
}
+
+define i32 @test_pr58440(i1 %c.0) {
+; CHECK-LABEL: @test_pr58440(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[TMP0:%.*]] = or i32 0, 1
+; CHECK-NEXT: br label [[LOOP_1_HEADER:%.*]]
+; CHECK: loop.1.header.loopexit:
+; CHECK-NEXT: br label [[LOOP_1_HEADER]]
+; CHECK: loop.1.header:
+; CHECK-NEXT: br label [[LOOP_2_HEADER:%.*]]
+; CHECK: loop.2.header:
+; CHECK-NEXT: br i1 [[C_0:%.*]], label [[LOOP_2_LATCH:%.*]], label [[LOOP_1_HEADER_LOOPEXIT:%.*]]
+; CHECK: loop.2.latch:
+; CHECK-NEXT: br i1 false, label [[EXIT:%.*]], label [[LOOP_2_HEADER]]
+; CHECK: exit:
+; CHECK-NEXT: [[LCSSA:%.*]] = phi i32 [ [[TMP0]], [[LOOP_2_LATCH]] ]
+; CHECK-NEXT: ret i32 [[LCSSA]]
+;
+entry:
+ br label %loop.1.header
+
+loop.1.header:
+ %p.1 = phi i32 [ 0, %entry ], [ %p.2, %loop.2.header ]
+ br label %loop.2.header
+
+loop.2.header:
+ %p.2 = phi i32 [ %p.1, %loop.1.header ], [ %0, %loop.2.latch ]
+ br i1 %c.0, label %loop.2.latch, label %loop.1.header
+
+loop.2.latch:
+ %0 = or i32 %p.1, 1
+ br i1 false, label %exit, label %loop.2.header
+
+exit:
+ %lcssa = phi i32 [ %0, %loop.2.latch ]
+ ret i32 %lcssa
+}