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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=licm -S < %s | FileCheck %s
define void @f(i32 %ptr_i, ptr %ptr2, i1 %cond) {
; CHECK-LABEL: @f(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[PTR:%.*]] = inttoptr i32 [[PTR_I:%.*]] to ptr
; CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(ptr [[PTR]], i32 16), "dereferenceable"(ptr [[PTR]], i32 16) ]
; CHECK-NEXT: br i1 [[COND:%.*]], label [[FOR_BODY_LR_PH:%.*]], label [[IF0:%.*]]
; CHECK: if0:
; CHECK-NEXT: store i32 0, ptr [[PTR2:%.*]], align 4
; CHECK-NEXT: br label [[FOR_BODY_LR_PH]]
; CHECK: for.body.lr.ph:
; CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[PTR]], align 4
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[I_08:%.*]] = phi i32 [ 0, [[FOR_BODY_LR_PH]] ], [ [[INC:%.*]], [[IF_END:%.*]] ]
; CHECK-NEXT: br i1 [[COND]], label [[IF_END]], label [[IF:%.*]]
; CHECK: if:
; CHECK-NEXT: store i32 [[TMP0]], ptr [[PTR2]], align 4
; CHECK-NEXT: br label [[IF_END]]
; CHECK: if.end:
; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_08]], 1
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[INC]], 2
; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[EXIT:%.*]]
; CHECK: exit:
; CHECK-NEXT: ret void
;
entry:
%ptr = inttoptr i32 %ptr_i to ptr
call void @llvm.assume(i1 true) [ "align"(ptr %ptr, i32 16), "dereferenceable"(ptr %ptr, i32 16) ]
br i1 %cond, label %for.body.lr.ph, label %if0
if0:
store i32 0, ptr %ptr2, align 4
br label %for.body.lr.ph
for.body.lr.ph: ; preds = %entry
br label %for.body
for.body: ; preds = %for.body.lr.ph, %if.end
%i.08 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %if.end ]
br i1 %cond, label %if.end, label %if
if:
%0 = load i32, ptr %ptr, align 4, !invariant.load !{}
store i32 %0, ptr %ptr2, align 4
br label %if.end
if.end: ; preds = %for.body
%inc = add nuw nsw i32 %i.08, 1
%cmp = icmp slt i32 %inc, 2
br i1 %cmp, label %for.body, label %exit
exit: ; preds = %if.end, %entry
ret void
}
declare void @llvm.assume(i1 noundef)
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