llvm-project/llvm/test/Transforms/LoopUnroll/pr33437.ll

44 lines
1.3 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -loop-unroll -unroll-peel-count=1 < %s | FileCheck %s
declare zeroext i8 @patatino()
define fastcc void @tinky() {
; CHECK-LABEL: @tinky(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[NEXT:%.*]]
; CHECK: loopexit:
; CHECK-NEXT: ret void
; CHECK: next:
; CHECK-NEXT: br label [[LOOP_PEEL_BEGIN:%.*]]
; CHECK: loop.peel.begin:
; CHECK-NEXT: br label [[LOOP_PEEL:%.*]]
; CHECK: loop.peel:
; CHECK-NEXT: [[CALL593_PEEL:%.*]] = tail call zeroext i8 @patatino()
; CHECK-NEXT: br i1 false, label [[LOOP_PEEL_NEXT:%.*]], label [[LOOPEXIT:%.*]]
; CHECK: loop.peel.next:
; CHECK-NEXT: br label [[LOOP_PEEL_NEXT1:%.*]]
; CHECK: loop.peel.next1:
; CHECK-NEXT: br label [[NEXT_PEEL_NEWPH:%.*]]
; CHECK: next.peel.newph:
; CHECK-NEXT: br label [[LOOP:%.*]]
; CHECK: loop:
; CHECK-NEXT: [[CALL593:%.*]] = tail call zeroext i8 @patatino()
; CHECK-NEXT: br label [[LOOPEXIT]]
;
entry:
br label %next
loopexit:
ret void
next:
br label %loop
loop:
%a = phi i8 [ undef, %next ], [ %call593, %loop ]
%b = phi i32 [ 0, %next ], [ 1, %loop ]
%call593 = tail call zeroext i8 @patatino()
br i1 false, label %loop, label %loopexit
}