File: addrmode-no-rdef.mir

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llvm-toolchain-19 1%3A19.1.7-3
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; RUN: llc -march=hexagon < %s | FileCheck %s

; Check that this doesn't crash.
; CHECK: call f1

target datalayout = "e-m:e-p:32:32:32-a:0-n16:32-i64:64:64-i32:32:32-i16:16:16-i1:8:8-f32:32:32-f64:64:64-v32:32:32-v64:64:64-v512:512:512-v1024:1024:1024-v2048:2048:2048"
target triple = "hexagon"

%s.0 = type { %s.1 }
%s.1 = type { %s.2 }
%s.2 = type { i32, i32 }

define dso_local i32 @f0(i1 zeroext %a0) local_unnamed_addr #0 {
b0:
  %v0 = tail call i32 @llvm.read_register.i32(metadata !0)
  %v1 = add nsw i32 %v0, 4096
  %v2 = inttoptr i32 %v1 to ptr
  %v3 = getelementptr inbounds %s.0, ptr %v2, i32 -1
  %v4 = tail call i32 @f1(ptr noundef nonnull %v3) #2
  br i1 %a0, label %b2, label %b1

b1:                                               ; preds = %b0
  %v6 = load i32, ptr %v3, align 4
  br label %b2

b2:                                               ; preds = %b1, %b0
  %v7 = phi i32 [ %v6, %b1 ], [ undef, %b0 ]
  ret i32 %v7
}

; Function Attrs: nounwind readonly
declare i32 @llvm.read_register.i32(metadata) #1

declare dso_local i32 @f1(...) local_unnamed_addr #0

attributes #0 = { "target-features"="+reserved-r19,+v60,-long-calls" }
attributes #1 = { nounwind readonly }
attributes #2 = { nounwind }

!0 = !{!"r19"}