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[LSR] Auto-generate check lines for test. 

Checking the full output provides more context and makes it easier to
review changes to the test in a follow-up patch.
This commit is contained in:
Florian Hahn 2022-01-08 15:44:52 +00:00
parent 9153c27385
commit 7e679f88ac
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1 changed files with 22 additions and 5 deletions
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27
llvm/test/Transforms/LoopStrengthReduce/X86/2011-11-29-postincphi.ll
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@ -1,3 +1,4 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s | FileCheck %s
;
; PR11431: handle a phi operand that is replaced by a postinc user.
@ -10,12 +11,28 @@ target triple = "x86_64-unknown-linux-gnu"
declare i1 @check() nounwind
; Check that LSR did something close to the behavior at the time of the bug.
; CHECK: @sqlite3DropTriggerPtr
; CHECK: incq %r{{[a-d]}}x
; CHECK: jne
; CHECK: decq %r{{[a-d]}}x
; CHECK: ret
define i64 @sqlite3DropTriggerPtr() nounwind {
; CHECK-LABEL: sqlite3DropTriggerPtr:
; CHECK: # %bb.0: # %bb
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: movl $1, %ebx
; CHECK-NEXT: callq check@PLT
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .LBB0_1: # %bb1
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: testb %al, %al
; CHECK-NEXT: je .LBB0_4
; CHECK-NEXT: # %bb.2: # %bb4
; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1
; CHECK-NEXT: incq %rbx
; CHECK-NEXT: testb %al, %al
; CHECK-NEXT: jne .LBB0_1
; CHECK-NEXT: # %bb.3: # %bb8split
; CHECK-NEXT: decq %rbx
; CHECK-NEXT: .LBB0_4: # %bb8
; CHECK-NEXT: movq %rbx, %rax
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: retq
bb:
%cmp = call zeroext i1 @check()
br label %bb1