In some rare cases, the register allocator can spill registers but end up not utilizi...
[llvm/msp430.git] / test / Transforms / SCCP / 2008-05-23-UndefCallFold.ll
blobf85a36260e0a65055cb19eb42465d9a5e9174c06
1 ; RUN: llvm-as < %s | opt -sccp | llvm-dis | not grep {ret i32 undef}
2 ; PR2358
3 target datalayout =
4 "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-f80:128:128"
5 target triple = "i686-pc-linux-gnu"
7 define i32 @x(i32 %b) {
8 entry:
9  %val = call i32 @llvm.cttz.i32(i32 undef)
10  ret i32 %val
13 declare i32 @llvm.cttz.i32(i32)