| ;Here we get a pointer from an external function and pass it to a callee. |
| ;We then test that the flags on that pointer are set appropriately. |
| ;RUN: dsaopt %s -dsa-local -analyze -verify-flags "main:ptr+IE" |
| ;RUN: dsaopt %s -dsa-local -analyze -verify-flags "takesPointer:ptr+I-E" |
| |
| ;RUN: dsaopt %s -dsa-bu -analyze -verify-flags "main:ptr-I+E" |
| ;RUN: dsaopt %s -dsa-bu -analyze -verify-flags "takesPointer:ptr+I-E" |
| |
| ;RUN: dsaopt %s -dsa-td -analyze -verify-flags "main:ptr-I+E" |
| ;RUN: dsaopt %s -dsa-td -analyze -verify-flags "takesPointer:ptr-I+E" |
| |
| ;RUN: dsaopt %s -dsa-cbu -analyze -verify-flags "main:ptr-I+E" |
| ;RUN: dsaopt %s -dsa-cbu -analyze -verify-flags "takesPointer:ptr+I-E" |
| |
| ;RUN: dsaopt %s -dsa-eq -analyze -verify-flags "main:ptr-I+E" |
| ;RUN: dsaopt %s -dsa-eq -analyze -verify-flags "takesPointer:ptr+I-E" |
| |
| ;RUN: dsaopt %s -dsa-eqtd -analyze -verify-flags "main:ptr-I+E" |
| ;RUN: dsaopt %s -dsa-eqtd -analyze -verify-flags "takesPointer:ptr-I+E" |
| |
| |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| define internal i32 @takesPointer(i32* nocapture %ptr) nounwind readonly { |
| entry: |
| %0 = load i32* %ptr, align 4 ; <i32> [#uses=1] |
| ret i32 %0 |
| } |
| |
| define i32 @main(i32 %argc, i8** nocapture %argv) nounwind { |
| entry: |
| %ptr = tail call i32* (...)* @getPointerExtern() nounwind |
| %0 = tail call i32 @takesPointer(i32* %ptr) nounwind |
| ret i32 %0 |
| } |
| |
| declare i32* @getPointerExtern(...) |
