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llvm-mirror/test/Verifier/cttz-undef-arg.ll
Chandler Carruth d733f059d0 Teach the verifier to reject all non-constant arguments to the second
argument of the cttz and ctlz intrinsics.

llvm-svn: 146360
2011-12-12 04:36:02 +00:00

17 lines
514 B
LLVM

; RUN: not llvm-as < %s -o /dev/null |& FileCheck %s
declare i32 @llvm.ctlz.i32(i32, i1)
declare i32 @llvm.cttz.i32(i32, i1)
define void @f(i32 %x, i1 %is_not_zero) {
entry:
; CHECK: is_zero_undef argument of bit counting intrinsics must be a constant int
; CHECK-NEXT: @llvm.ctlz.i32
call i32 @llvm.ctlz.i32(i32 %x, i1 %is_not_zero)
; CHECK: is_zero_undef argument of bit counting intrinsics must be a constant int
; CHECK-NEXT: @llvm.cttz.i32
call i32 @llvm.cttz.i32(i32 %x, i1 %is_not_zero)
ret void
}