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; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 4
; RUN: opt -disable-output "-passes=print<scalar-evolution>" -scalar-evolution-classify-expressions=0 < %s 2>&1 | FileCheck %s
define i32 @pr34538() local_unnamed_addr #0 {
; CHECK-LABEL: 'pr34538'
; CHECK-NEXT: Determining loop execution counts for: @pr34538
; CHECK-NEXT: Loop %do.body: backedge-taken count is i32 10000
; CHECK-NEXT: Loop %do.body: constant max backedge-taken count is i32 10000
; CHECK-NEXT: Loop %do.body: symbolic max backedge-taken count is i32 10000
; CHECK-NEXT: Loop %do.body: Trip multiple is 10001
;
entry:
br label %do.body
do.body: ; preds = %do.body, %entry
%start.0 = phi i32 [ 0, %entry ], [ %inc.start.0, %do.body ]
%cmp = icmp slt i32 %start.0, 10000
%inc = zext i1 %cmp to i32
%inc.start.0 = add nsw i32 %start.0, %inc
br i1 %cmp, label %do.body, label %do.end
do.end: ; preds = %do.body
ret i32 0
}
define i32 @foo() {
; CHECK-LABEL: 'foo'
; CHECK-NEXT: Determining loop execution counts for: @foo
; CHECK-NEXT: Loop %do.body: backedge-taken count is i32 5000
; CHECK-NEXT: Loop %do.body: constant max backedge-taken count is i32 5000
; CHECK-NEXT: Loop %do.body: symbolic max backedge-taken count is i32 5000
; CHECK-NEXT: Loop %do.body: Trip multiple is 5001
;
entry:
br label %do.body
do.body: ; preds = %do.body, %entry
%start.0 = phi i32 [ 0, %entry ], [ %inc.start.0, %do.body ]
%cmp = icmp slt i32 %start.0, 10000
%select_ext = select i1 %cmp, i32 2 , i32 1
%inc.start.0 = add nsw i32 %start.0, %select_ext
br i1 %cmp, label %do.body, label %do.end
do.end: ; preds = %do.body
ret i32 0
}
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