| ;RUN: dsaopt %s -dsa-stdlib -analyze -verify-flags "testfunc:f+I" |
| ;RUN: dsaopt %s -dsa-stdlib -analyze -verify-flags "main:F+I" |
| |
| ;RUN: dsaopt %s -dsa-bu -analyze -verify-flags "testfunc:f+I" |
| ;RUN: dsaopt %s -dsa-bu -analyze -verify-flags "main:F+I" |
| |
| ;RUN: dsaopt %s -dsa-td -analyze -verify-flags "testfunc:f+I" |
| ;RUN: dsaopt %s -dsa-td -analyze -verify-flags "main:F+I" |
| |
| ; ModuleID = 'fptr.o' |
| 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" |
| |
| ; F is passed as argument to testfunc. But since F is incomplete, f should remain incomplete after td. |
| define internal void @A(void (i8*)** %f) nounwind { |
| entry: |
| %f_addr = alloca void (i8*)** ; <void (i8*)***> [#uses=1] |
| %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| store void (i8*)** %f, void (i8*)*** %f_addr |
| br label %return |
| |
| return: ; preds = %entry |
| ret void |
| } |
| |
| define internal void @B(void (i8*)** %f) nounwind { |
| entry: |
| %f_addr = alloca void (i8*)** ; <void (i8*)***> [#uses=1] |
| %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| store void (i8*)** %f, void (i8*)*** %f_addr |
| br label %return |
| |
| return: ; preds = %entry |
| ret void |
| } |
| |
| define internal void @testfunc(void (i8*)** %f) nounwind { |
| entry: |
| %f_addr = alloca void (i8*)** ; <void (i8*)***> [#uses=2] |
| %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| store void (i8*)** %f, void (i8*)*** %f_addr |
| store void (i8*)** bitcast (void (void (i8*)**)* @B to void (i8*)**), void (i8*)*** %f_addr, align 8 |
| br label %return |
| |
| return: ; preds = %entry |
| ret void |
| } |
| |
| define i32 @main() nounwind { |
| entry: |
| %retval = alloca i32 ; <i32*> [#uses=1] |
| %F = alloca void (i8*)* ; <void (i8*)**> [#uses=4] |
| %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| store void (i8*)* bitcast (void (void (i8*)**)* @A to void (i8*)*), void (i8*)** %F, align 8 |
| %0 = load void (i8*)** %F, align 8 ; <void (i8*)*> [#uses=1] |
| %F1 = bitcast void (i8*)** %F to i8* ; <i8*> [#uses=1] |
| call void %0(i8* %F1) nounwind |
| call void @testfunc(void (i8*)** %F) nounwind |
| br label %return |
| |
| return: ; preds = %entry |
| %retval2 = load i32* %retval ; <i32> [#uses=1] |
| ret i32 %retval2 |
| } |