llvm/test/Transforms/InstCombine/ptr-int-cast.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=instcombine -S | FileCheck %s
target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"

define i1 @test1(ptr %x) nounwind {
; CHECK-LABEL: @test1(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = ptrtoint ptr [[X:%.*]] to i64
; CHECK-NEXT:    [[TMP2:%.*]] = trunc i64 [[TMP0]] to i1
; CHECK-NEXT:    ret i1 [[TMP2]]
;
entry:
  %0 = ptrtoint ptr %x to i1
  ret i1 %0
}

define ptr @test2(i128 %x) nounwind {
; CHECK-LABEL: @test2(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = trunc i128 [[X:%.*]] to i64
; CHECK-NEXT:    [[TMP1:%.*]] = inttoptr i64 [[TMP0]] to ptr
; CHECK-NEXT:    ret ptr [[TMP1]]
;
entry:
  %0 = inttoptr i128 %x to ptr
  ret ptr %0
}

; PR3574
define i64 @f0(i32 %a0) nounwind {
; CHECK-LABEL: @f0(
; CHECK-NEXT:    [[TMP1:%.*]] = zext i32 [[A0:%.*]] to i64
; CHECK-NEXT:    ret i64 [[TMP1]]
;
  %t0 = inttoptr i32 %a0 to ptr
  %t1 = ptrtoint ptr %t0 to i64
  ret i64 %t1
}

define <4 x i32> @test4(<4 x ptr> %arg) nounwind {
; CHECK-LABEL: @test4(
; CHECK-NEXT:    [[TMP1:%.*]] = ptrtoint <4 x ptr> [[ARG:%.*]] to <4 x i64>
; CHECK-NEXT:    [[P1:%.*]] = trunc <4 x i64> [[TMP1]] to <4 x i32>
; CHECK-NEXT:    ret <4 x i32> [[P1]]
;
  %p1 = ptrtoint <4 x ptr> %arg to <4 x i32>
  ret <4 x i32> %p1
}

define <vscale x 4 x i32> @testvscale4(<vscale x 4 x ptr> %arg) nounwind {
; CHECK-LABEL: @testvscale4(
; CHECK-NEXT:    [[TMP1:%.*]] = ptrtoint <vscale x 4 x ptr> [[ARG:%.*]] to <vscale x 4 x i64>
; CHECK-NEXT:    [[P1:%.*]] = trunc <vscale x 4 x i64> [[TMP1]] to <vscale x 4 x i32>
; CHECK-NEXT:    ret <vscale x 4 x i32> [[P1]]
;
  %p1 = ptrtoint <vscale x 4 x ptr> %arg to <vscale x 4 x i32>
  ret <vscale x 4 x i32> %p1
}

define <4 x i128> @test5(<4 x ptr> %arg) nounwind {
; CHECK-LABEL: @test5(
; CHECK-NEXT:    [[TMP1:%.*]] = ptrtoint <4 x ptr> [[ARG:%.*]] to <4 x i64>
; CHECK-NEXT:    [[P1:%.*]] = zext <4 x i64> [[TMP1]] to <4 x i128>
; CHECK-NEXT:    ret <4 x i128> [[P1]]
;
  %p1 = ptrtoint <4 x ptr> %arg to <4 x i128>
  ret <4 x i128> %p1
}

define <4 x ptr> @test6(<4 x i32> %arg) nounwind {
; CHECK-LABEL: @test6(
; CHECK-NEXT:    [[TMP1:%.*]] = zext <4 x i32> [[ARG:%.*]] to <4 x i64>
; CHECK-NEXT:    [[P1:%.*]] = inttoptr <4 x i64> [[TMP1]] to <4 x ptr>
; CHECK-NEXT:    ret <4 x ptr> [[P1]]
;
  %p1 = inttoptr <4 x i32> %arg to <4 x ptr>
  ret <4 x ptr> %p1
}

define <4 x ptr> @test7(<4 x i128> %arg) nounwind {
; CHECK-LABEL: @test7(
; CHECK-NEXT:    [[TMP1:%.*]] = trunc <4 x i128> [[ARG:%.*]] to <4 x i64>
; CHECK-NEXT:    [[P1:%.*]] = inttoptr <4 x i64> [[TMP1]] to <4 x ptr>
; CHECK-NEXT:    ret <4 x ptr> [[P1]]
;
  %p1 = inttoptr <4 x i128> %arg to <4 x ptr>
  ret <4 x ptr> %p1
}

; Folding this would lose %ptr provenance exposure.
define i64 @ptrtoint_gep_sub(ptr %ptr, i64 %end.addr) {
; CHECK-LABEL: @ptrtoint_gep_sub(
; CHECK-NEXT:    [[PTR_ADDR:%.*]] = ptrtoint ptr [[PTR:%.*]] to i64
; CHECK-NEXT:    [[SIZE:%.*]] = sub i64 [[END_ADDR1:%.*]], [[PTR_ADDR]]
; CHECK-NEXT:    [[END:%.*]] = getelementptr i8, ptr [[PTR]], i64 [[SIZE]]
; CHECK-NEXT:    [[END_ADDR:%.*]] = ptrtoint ptr [[END]] to i64
; CHECK-NEXT:    ret i64 [[END_ADDR]]
;
  %ptr.addr = ptrtoint ptr %ptr to i64
  %size = sub i64 %end.addr, %ptr.addr
  %end = getelementptr i8, ptr %ptr, i64 %size
  %end.addr2 = ptrtoint ptr %end to i64
  ret i64 %end.addr2
}