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[IRCE] Re-commit tests cases.

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Re-commit the test cases added in r232444.  These now use
-irce-print-changed-loops and -irce-print-range-checks so they run
correctly on a without asserts build of llvm.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232452 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sanjoy Das 2015-03-17 01:40:24 +00:00
parent 71bd86378b
commit 505179177b
2 changed files with 74 additions and 0 deletions
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37
test/Transforms/IRCE/only-lower-check.ll Normal file
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; RUN: opt -irce-print-range-checks -irce-print-changed-loops -irce < %s 2>&1 | FileCheck %s
; CHECK: irce: loop has 1 inductive range checks:
; CHECK-NEXT: InductiveRangeCheck:
; CHECK-NEXT: Kind: RANGE_CHECK_LOWER
; CHECK-NEXT: Offset: (-1 + %n) Scale: -1 Length: (null)
; CHECK-NEXT: Branch: br i1 %abc, label %in.bounds, label %out.of.bounds
; CHECK-NEXT: irce: in function only_lower_check: constrained Loop at depth 1 containing: %loop<header><exiting>,%in.bounds<latch><exiting>
define void @only_lower_check(i32 *%arr, i32 *%a_len_ptr, i32 %n) {
entry:
%len = load i32, i32* %a_len_ptr, !range !0
%first.itr.check = icmp sgt i32 %n, 0
%start = sub i32 %n, 1
br i1 %first.itr.check, label %loop, label %exit
loop:
%idx = phi i32 [ %start, %entry ] , [ %idx.dec, %in.bounds ]
%idx.dec = sub i32 %idx, 1
%abc = icmp sge i32 %idx, 0
br i1 %abc, label %in.bounds, label %out.of.bounds, !prof !1
in.bounds:
%addr = getelementptr i32, i32* %arr, i32 %idx
store i32 0, i32* %addr
%next = icmp sgt i32 %idx.dec, -1
br i1 %next, label %loop, label %exit
out.of.bounds:
ret void
exit:
ret void
}
!0 = !{i32 0, i32 2147483647}
!1 = !{!"branch_weights", i32 64, i32 4}

37
test/Transforms/IRCE/only-upper-check.ll Normal file
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; RUN: opt -irce -irce-print-range-checks -irce-print-changed-loops %s -S 2>&1 | FileCheck %s
; CHECK: irce: loop has 1 inductive range checks:
; CHECK-NEXT:InductiveRangeCheck:
; CHECK-NEXT: Kind: RANGE_CHECK_UPPER
; CHECK-NEXT: Offset: %offset Scale: 1 Length: %len = load i32, i32* %a_len_ptr, !range !0
; CHECK-NEXT: Branch: br i1 %abc, label %in.bounds, label %out.of.bounds, !prof !1
; CHECK-NEXT: irce: in function incrementing: constrained Loop at depth 1 containing: %loop<header><exiting>,%in.bounds<latch><exiting>
define void @incrementing(i32 *%arr, i32 *%a_len_ptr, i32 %n, i32 %offset) {
entry:
%len = load i32, i32* %a_len_ptr, !range !0
%first.itr.check = icmp sgt i32 %n, 0
br i1 %first.itr.check, label %loop, label %exit
loop:
%idx = phi i32 [ 0, %entry ] , [ %idx.next, %in.bounds ]
%idx.next = add i32 %idx, 1
%array.idx = add i32 %idx, %offset
%abc = icmp slt i32 %array.idx, %len
br i1 %abc, label %in.bounds, label %out.of.bounds, !prof !1
in.bounds:
%addr = getelementptr i32, i32* %arr, i32 %array.idx
store i32 0, i32* %addr
%next = icmp slt i32 %idx.next, %n
br i1 %next, label %loop, label %exit
out.of.bounds:
ret void
exit:
ret void
}
!0 = !{i32 0, i32 2147483647}
!1 = !{!"branch_weights", i32 64, i32 4}