Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/CodeGen/ARM/lsr-unfolded-offset.ll

@@ -1,75 +0,0 @@
-; RUN: llc -regalloc=greedy -arm-atomic-cfg-tidy=0 < %s | FileCheck %s
-
-; LSR shouldn't introduce more induction variables than needed, increasing
-; register pressure and therefore spilling. There is more room for improvement
-; here.
-
-; CHECK: sub sp, #{{40|36|32|28|24}}
-
-; CHECK: %for.inc
-; CHECK-NOT: ldr
-; CHECK: add
-
-target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:32:64-v128:32:128-a0:0:32-n32"
-target triple = "thumbv7-apple-ios"
-
-%struct.partition_entry = type { i32, i32, i64, i64 }
-
-define i32 @partition_overlap_check(%struct.partition_entry* nocapture %part, i32 %num_entries) nounwind readonly optsize ssp "no-frame-pointer-elim"="true" {
-entry:
-  %cmp79 = icmp sgt i32 %num_entries, 0
-  br i1 %cmp79, label %outer.loop, label %for.end72
-
-outer.loop:                                 ; preds = %for.inc69, %entry
-  %overlap.081 = phi i32 [ %overlap.4, %for.inc69 ], [ 0, %entry ]
-  %0 = phi i32 [ %inc71, %for.inc69 ], [ 0, %entry ]
-  %offset = getelementptr %struct.partition_entry, %struct.partition_entry* %part, i32 %0, i32 2
-  %len = getelementptr %struct.partition_entry, %struct.partition_entry* %part, i32 %0, i32 3
-  %tmp5 = load i64, i64* %offset, align 4
-  %tmp15 = load i64, i64* %len, align 4
-  %add = add nsw i64 %tmp15, %tmp5
-  br label %inner.loop
-
-inner.loop:                                       ; preds = %for.inc, %outer.loop
-  %overlap.178 = phi i32 [ %overlap.081, %outer.loop ], [ %overlap.4, %for.inc ]
-  %1 = phi i32 [ 0, %outer.loop ], [ %inc, %for.inc ]
-  %cmp23 = icmp eq i32 %0, %1
-  br i1 %cmp23, label %for.inc, label %if.end
-
-if.end:                                           ; preds = %inner.loop
-  %len39 = getelementptr %struct.partition_entry, %struct.partition_entry* %part, i32 %1, i32 3
-  %offset28 = getelementptr %struct.partition_entry, %struct.partition_entry* %part, i32 %1, i32 2
-  %tmp29 = load i64, i64* %offset28, align 4
-  %tmp40 = load i64, i64* %len39, align 4
-  %add41 = add nsw i64 %tmp40, %tmp29
-  %cmp44 = icmp sge i64 %tmp29, %tmp5
-  %cmp47 = icmp slt i64 %tmp29, %add
-  %or.cond = and i1 %cmp44, %cmp47
-  %overlap.2 = select i1 %or.cond, i32 1, i32 %overlap.178
-  %cmp52 = icmp sle i64 %add41, %add
-  %cmp56 = icmp sgt i64 %add41, %tmp5
-  %or.cond74 = and i1 %cmp52, %cmp56
-  %overlap.3 = select i1 %or.cond74, i32 1, i32 %overlap.2
-  %cmp61 = icmp sgt i64 %tmp29, %tmp5
-  %cmp65 = icmp slt i64 %add41, %add
-  %or.cond75 = or i1 %cmp61, %cmp65
-  br i1 %or.cond75, label %for.inc, label %if.then66
-
-if.then66:                                        ; preds = %if.end
-  br label %for.inc
-
-for.inc:                                          ; preds = %if.end, %if.then66, %inner.loop
-  %overlap.4 = phi i32 [ %overlap.178, %inner.loop ], [ 1, %if.then66 ], [ %overlap.3, %if.end ]
-  %inc = add nsw i32 %1, 1
-  %exitcond = icmp eq i32 %inc, %num_entries
-  br i1 %exitcond, label %for.inc69, label %inner.loop
-
-for.inc69:                                        ; preds = %for.inc
-  %inc71 = add nsw i32 %0, 1
-  %exitcond83 = icmp eq i32 %inc71, %num_entries
-  br i1 %exitcond83, label %for.end72, label %outer.loop
-
-for.end72:                                        ; preds = %for.inc69, %entry
-  %overlap.0.lcssa = phi i32 [ 0, %entry ], [ %overlap.4, %for.inc69 ]
-  ret i32 %overlap.0.lcssa
-}