xref: /aosp_15_r20/external/llvm/test/Transforms/InstCombine/ptr-int-cast.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)

; RUN: opt < %s -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(i32 *%x) nounwind {
entry:
; CHECK: test1
; CHECK: ptrtoint i32* %x to i64
	%0 = ptrtoint i32* %x to i1
	ret i1 %0
}

define i32* @test2(i128 %x) nounwind {
entry:
; CHECK: test2
; CHECK: inttoptr i64 %0 to i32*
	%0 = inttoptr i128 %x to i32*
	ret i32* %0
}

; PR3574
; CHECK: f0
; CHECK: %1 = zext i32 %a0 to i64
; CHECK: ret i64 %1
define i64 @f0(i32 %a0) nounwind {
       %t0 = inttoptr i32 %a0 to i8*
       %t1 = ptrtoint i8* %t0 to i64
       ret i64 %t1
}

define <4 x i32> @test4(<4 x i8*> %arg) nounwind {
; CHECK-LABEL: @test4(
; CHECK: ptrtoint <4 x i8*> %arg to <4 x i64>
; CHECK: trunc <4 x i64> %1 to <4 x i32>
  %p1 = ptrtoint <4 x i8*> %arg to <4 x i32>
  ret <4 x i32> %p1
}

define <4 x i128> @test5(<4 x i8*> %arg) nounwind {
; CHECK-LABEL: @test5(
; CHECK: ptrtoint <4 x i8*> %arg to <4 x i64>
; CHECK: zext <4 x i64> %1 to <4 x i128>
  %p1 = ptrtoint <4 x i8*> %arg to <4 x i128>
  ret <4 x i128> %p1
}

define <4 x i8*> @test6(<4 x i32> %arg) nounwind {
; CHECK-LABEL: @test6(
; CHECK: zext <4 x i32> %arg to <4 x i64>
; CHECK: inttoptr <4 x i64> %1 to <4 x i8*>
  %p1 = inttoptr <4 x i32> %arg to <4 x i8*>
  ret <4 x i8*> %p1
}

define <4 x i8*> @test7(<4 x i128> %arg) nounwind {
; CHECK-LABEL: @test7(
; CHECK: trunc <4 x i128> %arg to <4 x i64>
; CHECK: inttoptr <4 x i64> %1 to <4 x i8*>
  %p1 = inttoptr <4 x i128> %arg to <4 x i8*>
  ret <4 x i8*> %p1
}