[llvm] [LoongArch][NFC] Pre-commit for lowering v32i8 vector mask generation to `VMSKLTZ` (PR #149952)

via llvm-commits llvm-commits at lists.llvm.org
Mon Jul 21 19:02:03 PDT 2025


llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-loongarch

Author: hev (heiher)

<details>
<summary>Changes</summary>



---

Patch is 50.29 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/149952.diff


1 Files Affected:

- (modified) llvm/test/CodeGen/LoongArch/lsx/vmskcond.ll (+1337) 


``````````diff
diff --git a/llvm/test/CodeGen/LoongArch/lsx/vmskcond.ll b/llvm/test/CodeGen/LoongArch/lsx/vmskcond.ll
index ad57bbf9ee5c0..397896c543898 100644
--- a/llvm/test/CodeGen/LoongArch/lsx/vmskcond.ll
+++ b/llvm/test/CodeGen/LoongArch/lsx/vmskcond.ll
@@ -603,3 +603,1340 @@ define i4 @vmsk_eq_allzeros_v4i8(<4 x i8> %a) {
   %2 = bitcast <4 x i1> %1 to i4
   ret i4 %2
 }
+
+define i32 @vmsk2_eq_allzeros_i8(<32 x i8> %a) {
+; CHECK-LABEL: vmsk2_eq_allzeros_i8:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    addi.d $sp, $sp, -16
+; CHECK-NEXT:    .cfi_def_cfa_offset 16
+; CHECK-NEXT:    vseqi.b $vr0, $vr0, 0
+; CHECK-NEXT:    vpickve2gr.b $a0, $vr0, 0
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 1
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    bstrins.d $a0, $a1, 63, 1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 2
+; CHECK-NEXT:    bstrins.d $a0, $a1, 2, 2
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 3
+; CHECK-NEXT:    bstrins.d $a0, $a1, 3, 3
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 4
+; CHECK-NEXT:    bstrins.d $a0, $a1, 4, 4
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 5
+; CHECK-NEXT:    bstrins.d $a0, $a1, 5, 5
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 6
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 6
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 7
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 7
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 8
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 8
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 9
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 9
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 10
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 10
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 11
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 11
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 12
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 12
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 13
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 13
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 14
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 14
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 15
+; CHECK-NEXT:    slli.d $a1, $a1, 15
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    bstrpick.d $a0, $a0, 15, 0
+; CHECK-NEXT:    vseqi.b $vr0, $vr1, 0
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 0
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 1
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    bstrins.d $a1, $a2, 63, 1
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 2
+; CHECK-NEXT:    bstrins.d $a1, $a2, 2, 2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 3
+; CHECK-NEXT:    bstrins.d $a1, $a2, 3, 3
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 4
+; CHECK-NEXT:    bstrins.d $a1, $a2, 4, 4
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 5
+; CHECK-NEXT:    bstrins.d $a1, $a2, 5, 5
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 6
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 6
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 7
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 7
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 8
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 8
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 9
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 9
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 10
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 10
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 11
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 11
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 12
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 12
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 13
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 13
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 14
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 14
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 15
+; CHECK-NEXT:    slli.d $a2, $a2, 15
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    bstrpick.d $a1, $a1, 15, 0
+; CHECK-NEXT:    slli.d $a1, $a1, 16
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    addi.d $sp, $sp, 16
+; CHECK-NEXT:    ret
+entry:
+  %1 = icmp eq <32 x i8> %a, splat (i8 0)
+  %2 = bitcast <32 x i1> %1 to i32
+  ret i32 %2
+}
+
+define i32 @vmsk2_sgt_allzeros_i8(<32 x i8> %a) {
+; CHECK-LABEL: vmsk2_sgt_allzeros_i8:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    addi.d $sp, $sp, -16
+; CHECK-NEXT:    .cfi_def_cfa_offset 16
+; CHECK-NEXT:    vrepli.b $vr2, 0
+; CHECK-NEXT:    vslt.b $vr0, $vr2, $vr0
+; CHECK-NEXT:    vpickve2gr.b $a0, $vr0, 0
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 1
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    bstrins.d $a0, $a1, 63, 1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 2
+; CHECK-NEXT:    bstrins.d $a0, $a1, 2, 2
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 3
+; CHECK-NEXT:    bstrins.d $a0, $a1, 3, 3
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 4
+; CHECK-NEXT:    bstrins.d $a0, $a1, 4, 4
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 5
+; CHECK-NEXT:    bstrins.d $a0, $a1, 5, 5
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 6
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 6
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 7
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 7
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 8
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 8
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 9
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 9
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 10
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 10
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 11
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 11
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 12
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 12
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 13
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 13
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 14
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 14
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 15
+; CHECK-NEXT:    slli.d $a1, $a1, 15
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    bstrpick.d $a0, $a0, 15, 0
+; CHECK-NEXT:    vslt.b $vr0, $vr2, $vr1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 0
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 1
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    bstrins.d $a1, $a2, 63, 1
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 2
+; CHECK-NEXT:    bstrins.d $a1, $a2, 2, 2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 3
+; CHECK-NEXT:    bstrins.d $a1, $a2, 3, 3
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 4
+; CHECK-NEXT:    bstrins.d $a1, $a2, 4, 4
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 5
+; CHECK-NEXT:    bstrins.d $a1, $a2, 5, 5
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 6
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 6
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 7
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 7
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 8
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 8
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 9
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 9
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 10
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 10
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 11
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 11
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 12
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 12
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 13
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 13
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 14
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 14
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 15
+; CHECK-NEXT:    slli.d $a2, $a2, 15
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    bstrpick.d $a1, $a1, 15, 0
+; CHECK-NEXT:    slli.d $a1, $a1, 16
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    addi.d $sp, $sp, 16
+; CHECK-NEXT:    ret
+entry:
+  %1 = icmp sgt <32 x i8> %a, splat (i8 0)
+  %2 = bitcast <32 x i1> %1 to i32
+  ret i32 %2
+}
+
+define i32 @vmsk2_sgt_allones_i8(<32 x i8> %a) {
+; CHECK-LABEL: vmsk2_sgt_allones_i8:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    addi.d $sp, $sp, -16
+; CHECK-NEXT:    .cfi_def_cfa_offset 16
+; CHECK-NEXT:    vrepli.b $vr2, -1
+; CHECK-NEXT:    vslt.b $vr0, $vr2, $vr0
+; CHECK-NEXT:    vpickve2gr.b $a0, $vr0, 0
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 1
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    bstrins.d $a0, $a1, 63, 1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 2
+; CHECK-NEXT:    bstrins.d $a0, $a1, 2, 2
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 3
+; CHECK-NEXT:    bstrins.d $a0, $a1, 3, 3
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 4
+; CHECK-NEXT:    bstrins.d $a0, $a1, 4, 4
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 5
+; CHECK-NEXT:    bstrins.d $a0, $a1, 5, 5
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 6
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 6
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 7
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 7
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 8
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 8
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 9
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 9
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 10
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 10
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 11
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 11
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 12
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 12
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 13
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 13
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 14
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 14
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 15
+; CHECK-NEXT:    slli.d $a1, $a1, 15
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    bstrpick.d $a0, $a0, 15, 0
+; CHECK-NEXT:    vslt.b $vr0, $vr2, $vr1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 0
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 1
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    bstrins.d $a1, $a2, 63, 1
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 2
+; CHECK-NEXT:    bstrins.d $a1, $a2, 2, 2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 3
+; CHECK-NEXT:    bstrins.d $a1, $a2, 3, 3
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 4
+; CHECK-NEXT:    bstrins.d $a1, $a2, 4, 4
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 5
+; CHECK-NEXT:    bstrins.d $a1, $a2, 5, 5
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 6
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 6
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 7
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 7
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 8
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 8
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 9
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 9
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 10
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 10
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 11
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 11
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 12
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 12
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 13
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 13
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 14
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 14
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 15
+; CHECK-NEXT:    slli.d $a2, $a2, 15
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    bstrpick.d $a1, $a1, 15, 0
+; CHECK-NEXT:    slli.d $a1, $a1, 16
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    addi.d $sp, $sp, 16
+; CHECK-NEXT:    ret
+entry:
+  %1 = icmp sgt <32 x i8> %a, splat (i8 -1)
+  %2 = bitcast <32 x i1> %1 to i32
+  ret i32 %2
+}
+
+define i32 @vmsk2_sge_allzeros_i8(<32 x i8> %a) {
+; CHECK-LABEL: vmsk2_sge_allzeros_i8:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    addi.d $sp, $sp, -16
+; CHECK-NEXT:    .cfi_def_cfa_offset 16
+; CHECK-NEXT:    vrepli.b $vr2, 0
+; CHECK-NEXT:    vsle.b $vr0, $vr2, $vr0
+; CHECK-NEXT:    vpickve2gr.b $a0, $vr0, 0
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 1
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    bstrins.d $a0, $a1, 63, 1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 2
+; CHECK-NEXT:    bstrins.d $a0, $a1, 2, 2
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 3
+; CHECK-NEXT:    bstrins.d $a0, $a1, 3, 3
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 4
+; CHECK-NEXT:    bstrins.d $a0, $a1, 4, 4
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 5
+; CHECK-NEXT:    bstrins.d $a0, $a1, 5, 5
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 6
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 6
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 7
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 7
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 8
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 8
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 9
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 9
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 10
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 10
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 11
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 11
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 12
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 12
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 13
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 13
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 14
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 14
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 15
+; CHECK-NEXT:    slli.d $a1, $a1, 15
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    bstrpick.d $a0, $a0, 15, 0
+; CHECK-NEXT:    vsle.b $vr0, $vr2, $vr1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 0
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 1
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    bstrins.d $a1, $a2, 63, 1
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 2
+; CHECK-NEXT:    bstrins.d $a1, $a2, 2, 2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 3
+; CHECK-NEXT:    bstrins.d $a1, $a2, 3, 3
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 4
+; CHECK-NEXT:    bstrins.d $a1, $a2, 4, 4
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 5
+; CHECK-NEXT:    bstrins.d $a1, $a2, 5, 5
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 6
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 6
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 7
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 7
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 8
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 8
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 9
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 9
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 10
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 10
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 11
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 11
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 12
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 12
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 13
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 13
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 14
+; CHECK-NEXT:    andi $a2, $a2, 1
+; CHECK-NEXT:    slli.d $a2, $a2, 14
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    vpickve2gr.b $a2, $vr0, 15
+; CHECK-NEXT:    slli.d $a2, $a2, 15
+; CHECK-NEXT:    or $a1, $a1, $a2
+; CHECK-NEXT:    bstrpick.d $a1, $a1, 15, 0
+; CHECK-NEXT:    slli.d $a1, $a1, 16
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    addi.d $sp, $sp, 16
+; CHECK-NEXT:    ret
+entry:
+  %1 = icmp sge <32 x i8> %a, splat (i8 0)
+  %2 = bitcast <32 x i1> %1 to i32
+  ret i32 %2
+}
+
+define i32 @vmsk2_slt_allzeros_i8(<32 x i8> %a) {
+; CHECK-LABEL: vmsk2_slt_allzeros_i8:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    addi.d $sp, $sp, -16
+; CHECK-NEXT:    .cfi_def_cfa_offset 16
+; CHECK-NEXT:    vslti.b $vr0, $vr0, 0
+; CHECK-NEXT:    vpickve2gr.b $a0, $vr0, 0
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 1
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    bstrins.d $a0, $a1, 63, 1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 2
+; CHECK-NEXT:    bstrins.d $a0, $a1, 2, 2
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 3
+; CHECK-NEXT:    bstrins.d $a0, $a1, 3, 3
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 4
+; CHECK-NEXT:    bstrins.d $a0, $a1, 4, 4
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 5
+; CHECK-NEXT:    bstrins.d $a0, $a1, 5, 5
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 6
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 6
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 7
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 7
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 8
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 8
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 9
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 9
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-NEXT:    vpickve2gr.b $a1, $vr0, 10
+; CHECK-NEXT:    andi $a1, $a1, 1
+; CHECK-NEXT:    slli.d $a1, $a1, 10
+; CHECK-NEXT:    or $a0, $a0, $a1
+; CHECK-N...
[truncated]

``````````

</details>


https://github.com/llvm/llvm-project/pull/149952


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