llvm-project/llvm/test/CodeGen/X86/domain-reassignment-test.ll

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; 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
; 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
}