; RUN: llc -mcpu=skylake-avx512 -mtriple=x86_64-unknown-linux-gnu %s -o - | FileCheck %s ; RUN: llc -mcpu=skylake-avx512 -mtriple=x86_64-unknown-linux-gnu %s -o - | llvm-mc -triple=x86_64-unknown-linux-gnu ; Check that the X86 domain reassignment pass doesn't introduce an illegal ; test instruction. See PR37396 define void @japi1_foo2_34617() { pass2: br label %if5 L174: %tmp = icmp sgt <2 x i64> undef, zeroinitializer %tmp1 = icmp sle <2 x i64> undef, undef %tmp2 = and <2 x i1> %tmp, %tmp1 %tmp3 = extractelement <2 x i1> %tmp2, i32 0 %tmp4 = extractelement <2 x i1> %tmp2, i32 1 %tmp106 = and i1 %tmp4, %tmp3 %tmp107 = zext i1 %tmp106 to i8 %tmp108 = and i8 %tmp122, %tmp107 %tmp109 = icmp eq i8 %tmp108, 0 ; CHECK-NOT: testb {{%k[0-7]}} br i1 %tmp109, label %L188, label %L190 if5: %b.055 = phi i8 [ 1, %pass2 ], [ %tmp122, %if5 ] %tmp118 = icmp sgt i64 undef, 0 %tmp119 = icmp sle i64 undef, undef %tmp120 = and i1 %tmp118, %tmp119 %tmp121 = zext i1 %tmp120 to i8 %tmp122 = and i8 %b.055, %tmp121 br i1 undef, label %L174, label %if5 L188: unreachable L190: ret void }