llvm-for-llvmta/test/Transforms/SCCP/retvalue-undef.ll

33 lines
764 B
LLVM

; RUN: opt -ipsccp -S < %s | FileCheck %s
; PR6414
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"
target triple = "x86_64-unknown-linux-gnu"
define internal i32 ()* @f() {
ret i32 ()* @g
}
define internal i32 @g() {
ret i32 8
}
; CHECK: internal i32 @g()
; CHECK-NEXT: ret i32 8
define internal void @outer_mod() {
%1 = call i32 ()* () @f() ; <i32 ()*> [#uses=1]
%2 = call i32 %1() ; <i32> [#uses=0]
ret void
}
define internal void @module_init() {
call void @register_outer_mod(void ()* @outer_mod)
ret void
}
declare void @register_outer_mod(void ()*)
define i32 @main() {
ret i32 0
}