; RUN: opt < %s -sccp -S | FileCheck %s ; CHECK-LABEL: shift_undef_64 define void @shift_undef_64(i64* %p) { %r1 = lshr i64 -1, 4294967296 ; 2^32 ; CHECK: store i64 undef store i64 %r1, i64* %p %r2 = ashr i64 -1, 4294967297 ; 2^32 + 1 ; CHECK: store i64 undef store i64 %r2, i64* %p %r3 = shl i64 -1, 4294967298 ; 2^32 + 2 ; CHECK: store i64 undef store i64 %r3, i64* %p ret void } ; CHECK-LABEL: shift_undef_65 define void @shift_undef_65(i65* %p) { %r1 = lshr i65 2, 18446744073709551617 ; CHECK: store i65 undef store i65 %r1, i65* %p %r2 = ashr i65 4, 18446744073709551617 ; CHECK: store i65 undef store i65 %r2, i65* %p %r3 = shl i65 1, 18446744073709551617 ; CHECK: store i65 undef store i65 %r3, i65* %p ret void } ; CHECK-LABEL: shift_undef_256 define void @shift_undef_256(i256* %p) { %r1 = lshr i256 2, 18446744073709551617 ; CHECK: store i256 undef store i256 %r1, i256* %p %r2 = ashr i256 4, 18446744073709551618 ; CHECK: store i256 undef store i256 %r2, i256* %p %r3 = shl i256 1, 18446744073709551619 ; CHECK: store i256 undef store i256 %r3, i256* %p ret void } ; CHECK-LABEL: shift_undef_511 define void @shift_undef_511(i511* %p) { %r1 = lshr i511 -1, 1208925819614629174706276 ; 2^80 + 100 ; CHECK: store i511 undef store i511 %r1, i511* %p %r2 = ashr i511 -2, 1208925819614629174706200 ; CHECK: store i511 undef store i511 %r2, i511* %p %r3 = shl i511 -3, 1208925819614629174706180 ; CHECK: store i511 undef store i511 %r3, i511* %p ret void }