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TheRock/compiler/amd-llvm/llvm/test/Analysis/ScalarEvolution/trip-count-andor.ll
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

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9.7 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
; RUN: opt < %s -disable-output "-passes=print<scalar-evolution>" -scalar-evolution-classify-expressions=0 2>&1 2>&1 | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
define void @unsimplified_and1(i32 %n) {
; CHECK-LABEL: 'unsimplified_and1'
; CHECK-NEXT: Determining loop execution counts for: @unsimplified_and1
; CHECK-NEXT: Loop %loop: Unpredictable backedge-taken count.
; CHECK-NEXT: Loop %loop: constant max backedge-taken count is i32 -1
; CHECK-NEXT: Loop %loop: symbolic max backedge-taken count is %n
;
entry:
br label %loop
loop:
%iv = phi i32 [ 0, %entry ], [ %iv.inc, %loop ]
%iv.inc = add nsw i32 %iv, 1
%becond = icmp ule i32 %iv.inc, %n
%and = and i1 %becond, true
br i1 %and, label %loop, label %leave
leave:
ret void
}
define void @unsimplified_and2(i32 %n) {
; CHECK-LABEL: 'unsimplified_and2'
; CHECK-NEXT: Determining loop execution counts for: @unsimplified_and2
; CHECK-NEXT: Loop %loop: Unpredictable backedge-taken count.
; CHECK-NEXT: Loop %loop: constant max backedge-taken count is i32 -1
; CHECK-NEXT: Loop %loop: symbolic max backedge-taken count is %n
;
entry:
br label %loop
loop:
%iv = phi i32 [ 0, %entry ], [ %iv.inc, %loop ]
%iv.inc = add nsw i32 %iv, 1
%becond = icmp ule i32 %iv.inc, %n
%and = and i1 true, %becond
br i1 %and, label %loop, label %leave
leave:
ret void
}
define void @unsimplified_and3(i32 %n) {
; CHECK-LABEL: 'unsimplified_and3'
; CHECK-NEXT: Determining loop execution counts for: @unsimplified_and3
; CHECK-NEXT: Loop %loop: backedge-taken count is i32 0
; CHECK-NEXT: Loop %loop: constant max backedge-taken count is i32 0
; CHECK-NEXT: Loop %loop: symbolic max backedge-taken count is i32 0
; CHECK-NEXT: Loop %loop: Trip multiple is 1
;
entry:
br label %loop
loop:
%iv = phi i32 [ 0, %entry ], [ %iv.inc, %loop ]
%iv.inc = add nsw i32 %iv, 1
%becond = icmp ule i32 %iv.inc, %n
%and = and i1 false, %becond
br i1 %and, label %loop, label %leave
leave:
ret void
}
define void @unsimplified_and4(i32 %n) {
; CHECK-LABEL: 'unsimplified_and4'
; CHECK-NEXT: Determining loop execution counts for: @unsimplified_and4
; CHECK-NEXT: Loop %loop: backedge-taken count is i32 0
; CHECK-NEXT: Loop %loop: constant max backedge-taken count is i32 0
; CHECK-NEXT: Loop %loop: symbolic max backedge-taken count is i32 0
; CHECK-NEXT: Loop %loop: Trip multiple is 1
;
entry:
br label %loop
loop:
%iv = phi i32 [ 0, %entry ], [ %iv.inc, %loop ]
%iv.inc = add nsw i32 %iv, 1
%becond = icmp ule i32 %iv.inc, %n
%and = and i1 %becond, false
br i1 %and, label %loop, label %leave
leave:
ret void
}
define void @unsimplified_or1(i32 %n) {
; CHECK-LABEL: 'unsimplified_or1'
; CHECK-NEXT: Determining loop execution counts for: @unsimplified_or1
; CHECK-NEXT: Loop %loop: Unpredictable backedge-taken count.
; CHECK-NEXT: Loop %loop: Unpredictable constant max backedge-taken count.
; CHECK-NEXT: Loop %loop: Unpredictable symbolic max backedge-taken count.
;
entry:
br label %loop
loop:
%iv = phi i32 [ 0, %entry ], [ %iv.inc, %loop ]
%iv.inc = add nsw i32 %iv, 1
%becond = icmp ule i32 %iv.inc, %n
%or = or i1 %becond, true
br i1 %or, label %loop, label %leave
leave:
ret void
}
define void @unsimplified_or2(i32 %n) {
; CHECK-LABEL: 'unsimplified_or2'
; CHECK-NEXT: Determining loop execution counts for: @unsimplified_or2
; CHECK-NEXT: Loop %loop: Unpredictable backedge-taken count.
; CHECK-NEXT: Loop %loop: Unpredictable constant max backedge-taken count.
; CHECK-NEXT: Loop %loop: Unpredictable symbolic max backedge-taken count.
;
entry:
br label %loop
loop:
%iv = phi i32 [ 0, %entry ], [ %iv.inc, %loop ]
%iv.inc = add nsw i32 %iv, 1
%becond = icmp ule i32 %iv.inc, %n
%or = or i1 true, %becond
br i1 %or, label %loop, label %leave
leave:
ret void
}
define void @unsimplified_or3(i32 %n) {
; CHECK-LABEL: 'unsimplified_or3'
; CHECK-NEXT: Determining loop execution counts for: @unsimplified_or3
; CHECK-NEXT: Loop %loop: Unpredictable backedge-taken count.
; CHECK-NEXT: Loop %loop: Unpredictable constant max backedge-taken count.
; CHECK-NEXT: Loop %loop: Unpredictable symbolic max backedge-taken count.
;
entry:
br label %loop
loop:
%iv = phi i32 [ 0, %entry ], [ %iv.inc, %loop ]
%iv.inc = add nsw i32 %iv, 1
%becond = icmp ule i32 %iv.inc, %n
%or = or i1 false, %becond
br i1 %or, label %loop, label %leave
leave:
ret void
}
define void @unsimplified_or4(i32 %n) {
; CHECK-LABEL: 'unsimplified_or4'
; CHECK-NEXT: Determining loop execution counts for: @unsimplified_or4
; CHECK-NEXT: Loop %loop: Unpredictable backedge-taken count.
; CHECK-NEXT: Loop %loop: Unpredictable constant max backedge-taken count.
; CHECK-NEXT: Loop %loop: Unpredictable symbolic max backedge-taken count.
;
entry:
br label %loop
loop:
%iv = phi i32 [ 0, %entry ], [ %iv.inc, %loop ]
%iv.inc = add nsw i32 %iv, 1
%becond = icmp ule i32 %iv.inc, %n
%or = or i1 %becond, false
br i1 %or, label %loop, label %leave
leave:
ret void
}
define void @reversed_and1(i32 %n) {
; CHECK-LABEL: 'reversed_and1'
; CHECK-NEXT: Determining loop execution counts for: @reversed_and1
; CHECK-NEXT: Loop %loop: Unpredictable backedge-taken count.
; CHECK-NEXT: Loop %loop: Unpredictable constant max backedge-taken count.
; CHECK-NEXT: Loop %loop: Unpredictable symbolic max backedge-taken count.
;
entry:
br label %loop
loop:
%iv = phi i32 [ 0, %entry ], [ %iv.inc, %loop ]
%iv.inc = add nsw i32 %iv, 1
%becond = icmp ugt i32 %iv.inc, %n
%and = and i1 %becond, true
br i1 %and, label %leave, label %loop
leave:
ret void
}
define void @reversed_and2(i32 %n) {
; CHECK-LABEL: 'reversed_and2'
; CHECK-NEXT: Determining loop execution counts for: @reversed_and2
; CHECK-NEXT: Loop %loop: Unpredictable backedge-taken count.
; CHECK-NEXT: Loop %loop: Unpredictable constant max backedge-taken count.
; CHECK-NEXT: Loop %loop: Unpredictable symbolic max backedge-taken count.
;
entry:
br label %loop
loop:
%iv = phi i32 [ 0, %entry ], [ %iv.inc, %loop ]
%iv.inc = add nsw i32 %iv, 1
%becond = icmp ugt i32 %iv.inc, %n
%and = and i1 true, %becond
br i1 %and, label %leave, label %loop
leave:
ret void
}
define void @reversed_and3(i32 %n) {
; CHECK-LABEL: 'reversed_and3'
; CHECK-NEXT: Determining loop execution counts for: @reversed_and3
; CHECK-NEXT: Loop %loop: Unpredictable backedge-taken count.
; CHECK-NEXT: Loop %loop: Unpredictable constant max backedge-taken count.
; CHECK-NEXT: Loop %loop: Unpredictable symbolic max backedge-taken count.
;
entry:
br label %loop
loop:
%iv = phi i32 [ 0, %entry ], [ %iv.inc, %loop ]
%iv.inc = add nsw i32 %iv, 1
%becond = icmp ugt i32 %iv.inc, %n
%and = and i1 false, %becond
br i1 %and, label %leave, label %loop
leave:
ret void
}
define void @reversed_and4(i32 %n) {
; CHECK-LABEL: 'reversed_and4'
; CHECK-NEXT: Determining loop execution counts for: @reversed_and4
; CHECK-NEXT: Loop %loop: Unpredictable backedge-taken count.
; CHECK-NEXT: Loop %loop: Unpredictable constant max backedge-taken count.
; CHECK-NEXT: Loop %loop: Unpredictable symbolic max backedge-taken count.
;
entry:
br label %loop
loop:
%iv = phi i32 [ 0, %entry ], [ %iv.inc, %loop ]
%iv.inc = add nsw i32 %iv, 1
%becond = icmp ugt i32 %iv.inc, %n
%and = and i1 %becond, false
br i1 %and, label %leave, label %loop
leave:
ret void
}
define void @reversed_or1(i32 %n) {
; CHECK-LABEL: 'reversed_or1'
; CHECK-NEXT: Determining loop execution counts for: @reversed_or1
; CHECK-NEXT: Loop %loop: backedge-taken count is i32 0
; CHECK-NEXT: Loop %loop: constant max backedge-taken count is i32 0
; CHECK-NEXT: Loop %loop: symbolic max backedge-taken count is i32 0
; CHECK-NEXT: Loop %loop: Trip multiple is 1
;
entry:
br label %loop
loop:
%iv = phi i32 [ 0, %entry ], [ %iv.inc, %loop ]
%iv.inc = add nsw i32 %iv, 1
%becond = icmp ugt i32 %iv.inc, %n
%or = or i1 %becond, true
br i1 %or, label %leave, label %loop
leave:
ret void
}
define void @reversed_or2(i32 %n) {
; CHECK-LABEL: 'reversed_or2'
; CHECK-NEXT: Determining loop execution counts for: @reversed_or2
; CHECK-NEXT: Loop %loop: backedge-taken count is i32 0
; CHECK-NEXT: Loop %loop: constant max backedge-taken count is i32 0
; CHECK-NEXT: Loop %loop: symbolic max backedge-taken count is i32 0
; CHECK-NEXT: Loop %loop: Trip multiple is 1
;
entry:
br label %loop
loop:
%iv = phi i32 [ 0, %entry ], [ %iv.inc, %loop ]
%iv.inc = add nsw i32 %iv, 1
%becond = icmp ugt i32 %iv.inc, %n
%or = or i1 true, %becond
br i1 %or, label %leave, label %loop
leave:
ret void
}
define void @reversed_or3(i32 %n) {
; CHECK-LABEL: 'reversed_or3'
; CHECK-NEXT: Determining loop execution counts for: @reversed_or3
; CHECK-NEXT: Loop %loop: Unpredictable backedge-taken count.
; CHECK-NEXT: Loop %loop: constant max backedge-taken count is i32 -1
; CHECK-NEXT: Loop %loop: symbolic max backedge-taken count is %n
;
entry:
br label %loop
loop:
%iv = phi i32 [ 0, %entry ], [ %iv.inc, %loop ]
%iv.inc = add nsw i32 %iv, 1
%becond = icmp ugt i32 %iv.inc, %n
%or = or i1 false, %becond
br i1 %or, label %leave, label %loop
leave:
ret void
}
define void @reversed_or4(i32 %n) {
; CHECK-LABEL: 'reversed_or4'
; CHECK-NEXT: Determining loop execution counts for: @reversed_or4
; CHECK-NEXT: Loop %loop: Unpredictable backedge-taken count.
; CHECK-NEXT: Loop %loop: constant max backedge-taken count is i32 -1
; CHECK-NEXT: Loop %loop: symbolic max backedge-taken count is %n
;
entry:
br label %loop
loop:
%iv = phi i32 [ 0, %entry ], [ %iv.inc, %loop ]
%iv.inc = add nsw i32 %iv, 1
%becond = icmp ugt i32 %iv.inc, %n
%or = or i1 %becond, false
br i1 %or, label %leave, label %loop
leave:
ret void
}
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