File: trunc-weird-user.ll

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llvm-toolchain-20 1%3A20.1.6-1~exp1
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; RUN: opt -S -passes='require<profile-summary>,function(codegenprepare)' -mtriple=arm64-apple-ios7.0 %s | FileCheck %s

%foo = type { i8 }

define %foo @test_merge(i32 %in) {
; CHECK-LABEL: @test_merge

  ; CodeGenPrepare was requesting the EVT for { i8 } to determine
  ; whether the insertvalue user of the trunc was legal. This
  ; asserted.

; CHECK: insertvalue %foo undef, i8 %byte, 0
  %lobit = lshr i32 %in, 31
  %byte = trunc i32 %lobit to i8
  %struct = insertvalue %foo undef, i8 %byte, 0
  ret %"foo" %struct
}

define ptr @test_merge_PR21548(i32 %a, ptr %p1, ptr %p2, ptr %p3) {
; CHECK-LABEL: @test_merge_PR21548
  %as = lshr i32 %a, 3
  %Tr = trunc i32 %as to i1
  br i1 %Tr, label %BB2, label %BB3

BB2:
  ; Similarly to above:
  ; CodeGenPrepare was requesting the EVT for ptr to determine
  ; whether the select user of the trunc was legal. This asserted.

; CHECK: select i1 {{%.*}}, ptr %p1, ptr %p2
  %p = select i1 %Tr, ptr %p1, ptr %p2
  ret ptr %p

BB3:
  ret ptr %p3
}