ptr-int-cast.ll 1.5 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960
  1. ; RUN: opt < %s -instcombine -S | FileCheck %s
  2. 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"
  3. define i1 @test1(i32 *%x) nounwind {
  4. entry:
  5. ; CHECK: test1
  6. ; CHECK: ptrtoint i32* %x to i64
  7. %0 = ptrtoint i32* %x to i1
  8. ret i1 %0
  9. }
  10. define i32* @test2(i128 %x) nounwind {
  11. entry:
  12. ; CHECK: test2
  13. ; CHECK: inttoptr i64 %0 to i32*
  14. %0 = inttoptr i128 %x to i32*
  15. ret i32* %0
  16. }
  17. ; PR3574
  18. ; CHECK: f0
  19. ; CHECK: %1 = zext i32 %a0 to i64
  20. ; CHECK: ret i64 %1
  21. define i64 @f0(i32 %a0) nounwind {
  22. %t0 = inttoptr i32 %a0 to i8*
  23. %t1 = ptrtoint i8* %t0 to i64
  24. ret i64 %t1
  25. }
  26. define <4 x i32> @test4(<4 x i8*> %arg) nounwind {
  27. ; CHECK-LABEL: @test4(
  28. ; CHECK: ptrtoint <4 x i8*> %arg to <4 x i64>
  29. ; CHECK: trunc <4 x i64> %1 to <4 x i32>
  30. %p1 = ptrtoint <4 x i8*> %arg to <4 x i32>
  31. ret <4 x i32> %p1
  32. }
  33. define <4 x i128> @test5(<4 x i8*> %arg) nounwind {
  34. ; CHECK-LABEL: @test5(
  35. ; CHECK: ptrtoint <4 x i8*> %arg to <4 x i64>
  36. ; CHECK: zext <4 x i64> %1 to <4 x i128>
  37. %p1 = ptrtoint <4 x i8*> %arg to <4 x i128>
  38. ret <4 x i128> %p1
  39. }
  40. define <4 x i8*> @test6(<4 x i32> %arg) nounwind {
  41. ; CHECK-LABEL: @test6(
  42. ; CHECK: zext <4 x i32> %arg to <4 x i64>
  43. ; CHECK: inttoptr <4 x i64> %1 to <4 x i8*>
  44. %p1 = inttoptr <4 x i32> %arg to <4 x i8*>
  45. ret <4 x i8*> %p1
  46. }
  47. define <4 x i8*> @test7(<4 x i128> %arg) nounwind {
  48. ; CHECK-LABEL: @test7(
  49. ; CHECK: trunc <4 x i128> %arg to <4 x i64>
  50. ; CHECK: inttoptr <4 x i64> %1 to <4 x i8*>
  51. %p1 = inttoptr <4 x i128> %arg to <4 x i8*>
  52. ret <4 x i8*> %p1
  53. }