1 ; RUN: opt < %s -tailcallelim -inline -instcombine -dse -S | FileCheck %s 2 ; PR7272 3 4 ; When inlining through a byval call site, the inliner creates allocas which may 5 ; be used by inlined calls, so any inlined calls need to have their 'tail' flags 6 ; cleared. If not then you can get nastiness like with this testcase, where the 7 ; (inlined) call to 'ext' in 'foo' was being passed an uninitialized value. 8 9 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32" 10 target triple = "i386-pc-linux-gnu" 11 12 declare void @ext(i32*) 13 14 define void @bar(i32* byval %x) { 15 call void @ext(i32* %x) 16 ret void 17 } 18 19 define void @foo(i32* %x) { 20 ; CHECK: define void @foo 21 ; CHECK: store i32 %1, i32* %x 22 call void @bar(i32* byval %x) 23 ret void 24 } 25
