[llvm] [LoongArch][NFC] Pre-commit tests for vector sign and zero extensions (PR #160808)

via llvm-commits llvm-commits at lists.llvm.org
Thu Sep 25 21:56:31 PDT 2025


llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-loongarch

Author: hev (heiher)

<details>
<summary>Changes</summary>



---

Patch is 116.96 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/160808.diff


4 Files Affected:

- (added) llvm/test/CodeGen/LoongArch/lasx/vec-sext.ll (+1074) 
- (added) llvm/test/CodeGen/LoongArch/lasx/vec-zext.ll (+1206) 
- (modified) llvm/test/CodeGen/LoongArch/lsx/vec-sext.ll (+356-87) 
- (modified) llvm/test/CodeGen/LoongArch/lsx/vec-zext.ll (+283-73) 


``````````diff
diff --git a/llvm/test/CodeGen/LoongArch/lasx/vec-sext.ll b/llvm/test/CodeGen/LoongArch/lasx/vec-sext.ll
new file mode 100644
index 0000000000000..953e6c45608c0
--- /dev/null
+++ b/llvm/test/CodeGen/LoongArch/lasx/vec-sext.ll
@@ -0,0 +1,1074 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc --mtriple=loongarch32 --mattr=+32s,+lasx < %s | FileCheck %s --check-prefixes=CHECK,LA32
+; RUN: llc --mtriple=loongarch64 --mattr=+lasx %s -o - | FileCheck %s --check-prefixes=CHECK,LA64
+
+define void @load_sext_2i8_to_2i64(ptr %ptr, ptr %dst) {
+; CHECK-LABEL: load_sext_2i8_to_2i64:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    ld.h $a0, $a0, 0
+; CHECK-NEXT:    vinsgr2vr.h $vr0, $a0, 0
+; CHECK-NEXT:    vilvl.b $vr0, $vr0, $vr0
+; CHECK-NEXT:    vilvl.h $vr0, $vr0, $vr0
+; CHECK-NEXT:    vilvl.w $vr0, $vr0, $vr0
+; CHECK-NEXT:    vslli.d $vr0, $vr0, 56
+; CHECK-NEXT:    vsrai.d $vr0, $vr0, 56
+; CHECK-NEXT:    vst $vr0, $a1, 0
+; CHECK-NEXT:    ret
+entry:
+  %A = load <2 x i8>, ptr %ptr
+  %B = sext <2 x i8> %A to <2 x i64>
+  store <2 x i64> %B, ptr %dst
+  ret void
+}
+
+define void @load_sext_2i16_to_2i64(ptr %ptr, ptr %dst) {
+; CHECK-LABEL: load_sext_2i16_to_2i64:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    ld.w $a0, $a0, 0
+; CHECK-NEXT:    vinsgr2vr.w $vr0, $a0, 0
+; CHECK-NEXT:    vilvl.h $vr0, $vr0, $vr0
+; CHECK-NEXT:    vilvl.w $vr0, $vr0, $vr0
+; CHECK-NEXT:    vslli.d $vr0, $vr0, 48
+; CHECK-NEXT:    vsrai.d $vr0, $vr0, 48
+; CHECK-NEXT:    vst $vr0, $a1, 0
+; CHECK-NEXT:    ret
+entry:
+  %A = load <2 x i16>, ptr %ptr
+  %B = sext <2 x i16> %A to <2 x i64>
+  store <2 x i64> %B, ptr %dst
+  ret void
+}
+
+define void @load_sext_2i32_to_2i64(ptr %ptr, ptr %dst) {
+; LA32-LABEL: load_sext_2i32_to_2i64:
+; LA32:       # %bb.0: # %entry
+; LA32-NEXT:    ld.w $a2, $a0, 0
+; LA32-NEXT:    ld.w $a0, $a0, 4
+; LA32-NEXT:    vinsgr2vr.w $vr0, $a2, 0
+; LA32-NEXT:    vinsgr2vr.w $vr0, $a0, 2
+; LA32-NEXT:    vslli.d $vr0, $vr0, 32
+; LA32-NEXT:    vsrai.d $vr0, $vr0, 32
+; LA32-NEXT:    vst $vr0, $a1, 0
+; LA32-NEXT:    ret
+;
+; LA64-LABEL: load_sext_2i32_to_2i64:
+; LA64:       # %bb.0: # %entry
+; LA64-NEXT:    ld.d $a0, $a0, 0
+; LA64-NEXT:    vinsgr2vr.d $vr0, $a0, 0
+; LA64-NEXT:    vshuf4i.w $vr0, $vr0, 16
+; LA64-NEXT:    vslli.d $vr0, $vr0, 32
+; LA64-NEXT:    vsrai.d $vr0, $vr0, 32
+; LA64-NEXT:    vst $vr0, $a1, 0
+; LA64-NEXT:    ret
+entry:
+  %A = load <2 x i32>, ptr %ptr
+  %B = sext <2 x i32> %A to <2 x i64>
+  store <2 x i64> %B, ptr %dst
+  ret void
+}
+
+define void @load_sext_4i8_to_4i32(ptr %ptr, ptr %dst) {
+; CHECK-LABEL: load_sext_4i8_to_4i32:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    ld.w $a0, $a0, 0
+; CHECK-NEXT:    vinsgr2vr.w $vr0, $a0, 0
+; CHECK-NEXT:    vilvl.b $vr0, $vr0, $vr0
+; CHECK-NEXT:    vilvl.h $vr0, $vr0, $vr0
+; CHECK-NEXT:    vslli.w $vr0, $vr0, 24
+; CHECK-NEXT:    vsrai.w $vr0, $vr0, 24
+; CHECK-NEXT:    vst $vr0, $a1, 0
+; CHECK-NEXT:    ret
+entry:
+  %A = load <4 x i8>, ptr %ptr
+  %B = sext <4 x i8> %A to <4 x i32>
+  store <4 x i32> %B, ptr %dst
+  ret void
+}
+
+define void @load_sext_4i8_to_4i64(ptr %ptr, ptr %dst) {
+; CHECK-LABEL: load_sext_4i8_to_4i64:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    ld.w $a0, $a0, 0
+; CHECK-NEXT:    pcalau12i $a2, %pc_hi20(.LCPI4_0)
+; CHECK-NEXT:    xvld $xr0, $a2, %pc_lo12(.LCPI4_0)
+; CHECK-NEXT:    vinsgr2vr.w $vr1, $a0, 0
+; CHECK-NEXT:    xvpermi.d $xr1, $xr1, 68
+; CHECK-NEXT:    xvshuf.b $xr0, $xr0, $xr1, $xr0
+; CHECK-NEXT:    xvslli.d $xr0, $xr0, 56
+; CHECK-NEXT:    xvsrai.d $xr0, $xr0, 56
+; CHECK-NEXT:    xvst $xr0, $a1, 0
+; CHECK-NEXT:    ret
+entry:
+  %A = load <4 x i8>, ptr %ptr
+  %B = sext <4 x i8> %A to <4 x i64>
+  store <4 x i64> %B, ptr %dst
+  ret void
+}
+
+define void @load_sext_4i16_to_4i32(ptr %ptr, ptr %dst) {
+; LA32-LABEL: load_sext_4i16_to_4i32:
+; LA32:       # %bb.0: # %entry
+; LA32-NEXT:    ld.w $a2, $a0, 0
+; LA32-NEXT:    ld.w $a0, $a0, 4
+; LA32-NEXT:    vinsgr2vr.w $vr0, $a2, 0
+; LA32-NEXT:    vinsgr2vr.w $vr0, $a0, 1
+; LA32-NEXT:    vilvl.h $vr0, $vr0, $vr0
+; LA32-NEXT:    vslli.w $vr0, $vr0, 16
+; LA32-NEXT:    vsrai.w $vr0, $vr0, 16
+; LA32-NEXT:    vst $vr0, $a1, 0
+; LA32-NEXT:    ret
+;
+; LA64-LABEL: load_sext_4i16_to_4i32:
+; LA64:       # %bb.0: # %entry
+; LA64-NEXT:    ld.d $a0, $a0, 0
+; LA64-NEXT:    vinsgr2vr.d $vr0, $a0, 0
+; LA64-NEXT:    vilvl.h $vr0, $vr0, $vr0
+; LA64-NEXT:    vslli.w $vr0, $vr0, 16
+; LA64-NEXT:    vsrai.w $vr0, $vr0, 16
+; LA64-NEXT:    vst $vr0, $a1, 0
+; LA64-NEXT:    ret
+entry:
+  %A = load <4 x i16>, ptr %ptr
+  %B = sext <4 x i16> %A to <4 x i32>
+  store <4 x i32> %B, ptr %dst
+  ret void
+}
+
+define void @load_sext_4i16_to_4i64(ptr %ptr, ptr %dst) {
+; LA32-LABEL: load_sext_4i16_to_4i64:
+; LA32:       # %bb.0: # %entry
+; LA32-NEXT:    ld.w $a2, $a0, 0
+; LA32-NEXT:    ld.w $a0, $a0, 4
+; LA32-NEXT:    pcalau12i $a3, %pc_hi20(.LCPI6_0)
+; LA32-NEXT:    xvld $xr0, $a3, %pc_lo12(.LCPI6_0)
+; LA32-NEXT:    vinsgr2vr.w $vr1, $a2, 0
+; LA32-NEXT:    vinsgr2vr.w $vr1, $a0, 1
+; LA32-NEXT:    xvpermi.d $xr1, $xr1, 68
+; LA32-NEXT:    xvshuf.h $xr0, $xr0, $xr1
+; LA32-NEXT:    xvslli.d $xr0, $xr0, 48
+; LA32-NEXT:    xvsrai.d $xr0, $xr0, 48
+; LA32-NEXT:    xvst $xr0, $a1, 0
+; LA32-NEXT:    ret
+;
+; LA64-LABEL: load_sext_4i16_to_4i64:
+; LA64:       # %bb.0: # %entry
+; LA64-NEXT:    ld.d $a0, $a0, 0
+; LA64-NEXT:    pcalau12i $a2, %pc_hi20(.LCPI6_0)
+; LA64-NEXT:    xvld $xr0, $a2, %pc_lo12(.LCPI6_0)
+; LA64-NEXT:    vinsgr2vr.d $vr1, $a0, 0
+; LA64-NEXT:    xvpermi.d $xr1, $xr1, 68
+; LA64-NEXT:    xvshuf.h $xr0, $xr0, $xr1
+; LA64-NEXT:    xvslli.d $xr0, $xr0, 48
+; LA64-NEXT:    xvsrai.d $xr0, $xr0, 48
+; LA64-NEXT:    xvst $xr0, $a1, 0
+; LA64-NEXT:    ret
+entry:
+  %A = load <4 x i16>, ptr %ptr
+  %B = sext <4 x i16> %A to <4 x i64>
+  store <4 x i64> %B, ptr %dst
+  ret void
+}
+
+define void @load_sext_4i32_to_4i64(ptr %ptr, ptr %dst) {
+; LA32-LABEL: load_sext_4i32_to_4i64:
+; LA32:       # %bb.0: # %entry
+; LA32-NEXT:    vld $vr0, $a0, 0
+; LA32-NEXT:    vextrins.w $vr1, $vr0, 2
+; LA32-NEXT:    vpickve2gr.w $a0, $vr0, 2
+; LA32-NEXT:    srai.w $a0, $a0, 31
+; LA32-NEXT:    vinsgr2vr.w $vr1, $a0, 1
+; LA32-NEXT:    vextrins.w $vr1, $vr0, 35
+; LA32-NEXT:    vpickve2gr.w $a0, $vr0, 3
+; LA32-NEXT:    srai.w $a0, $a0, 31
+; LA32-NEXT:    vinsgr2vr.w $vr1, $a0, 3
+; LA32-NEXT:    vpickve2gr.w $a0, $vr0, 0
+; LA32-NEXT:    srai.w $a0, $a0, 31
+; LA32-NEXT:    vori.b $vr2, $vr0, 0
+; LA32-NEXT:    vinsgr2vr.w $vr2, $a0, 1
+; LA32-NEXT:    vextrins.w $vr2, $vr0, 33
+; LA32-NEXT:    vpickve2gr.w $a0, $vr0, 1
+; LA32-NEXT:    srai.w $a0, $a0, 31
+; LA32-NEXT:    vinsgr2vr.w $vr2, $a0, 3
+; LA32-NEXT:    xvpermi.q $xr2, $xr1, 2
+; LA32-NEXT:    xvst $xr2, $a1, 0
+; LA32-NEXT:    ret
+;
+; LA64-LABEL: load_sext_4i32_to_4i64:
+; LA64:       # %bb.0: # %entry
+; LA64-NEXT:    vld $vr0, $a0, 0
+; LA64-NEXT:    vpickve2gr.w $a0, $vr0, 2
+; LA64-NEXT:    vinsgr2vr.d $vr1, $a0, 0
+; LA64-NEXT:    vpickve2gr.w $a0, $vr0, 3
+; LA64-NEXT:    vinsgr2vr.d $vr1, $a0, 1
+; LA64-NEXT:    vpickve2gr.w $a0, $vr0, 0
+; LA64-NEXT:    vinsgr2vr.d $vr2, $a0, 0
+; LA64-NEXT:    vpickve2gr.w $a0, $vr0, 1
+; LA64-NEXT:    vinsgr2vr.d $vr2, $a0, 1
+; LA64-NEXT:    xvpermi.q $xr2, $xr1, 2
+; LA64-NEXT:    xvst $xr2, $a1, 0
+; LA64-NEXT:    ret
+entry:
+  %A = load <4 x i32>, ptr %ptr
+  %B = sext <4 x i32> %A to <4 x i64>
+  store <4 x i64> %B, ptr %dst
+  ret void
+}
+
+define void @load_sext_8i8_to_8i16(ptr %ptr, ptr %dst) {
+; LA32-LABEL: load_sext_8i8_to_8i16:
+; LA32:       # %bb.0: # %entry
+; LA32-NEXT:    ld.w $a2, $a0, 0
+; LA32-NEXT:    ld.w $a0, $a0, 4
+; LA32-NEXT:    vinsgr2vr.w $vr0, $a2, 0
+; LA32-NEXT:    vinsgr2vr.w $vr0, $a0, 1
+; LA32-NEXT:    vilvl.b $vr0, $vr0, $vr0
+; LA32-NEXT:    vslli.h $vr0, $vr0, 8
+; LA32-NEXT:    vsrai.h $vr0, $vr0, 8
+; LA32-NEXT:    vst $vr0, $a1, 0
+; LA32-NEXT:    ret
+;
+; LA64-LABEL: load_sext_8i8_to_8i16:
+; LA64:       # %bb.0: # %entry
+; LA64-NEXT:    ld.d $a0, $a0, 0
+; LA64-NEXT:    vinsgr2vr.d $vr0, $a0, 0
+; LA64-NEXT:    vilvl.b $vr0, $vr0, $vr0
+; LA64-NEXT:    vslli.h $vr0, $vr0, 8
+; LA64-NEXT:    vsrai.h $vr0, $vr0, 8
+; LA64-NEXT:    vst $vr0, $a1, 0
+; LA64-NEXT:    ret
+entry:
+  %A = load <8 x i8>, ptr %ptr
+  %B = sext <8 x i8> %A to <8 x i16>
+  store <8 x i16> %B, ptr %dst
+  ret void
+}
+
+define void @load_sext_8i8_to_8i32(ptr %ptr, ptr %dst) {
+; LA32-LABEL: load_sext_8i8_to_8i32:
+; LA32:       # %bb.0: # %entry
+; LA32-NEXT:    ld.w $a2, $a0, 0
+; LA32-NEXT:    ld.w $a0, $a0, 4
+; LA32-NEXT:    pcalau12i $a3, %pc_hi20(.LCPI9_0)
+; LA32-NEXT:    xvld $xr0, $a3, %pc_lo12(.LCPI9_0)
+; LA32-NEXT:    vinsgr2vr.w $vr1, $a2, 0
+; LA32-NEXT:    vinsgr2vr.w $vr1, $a0, 1
+; LA32-NEXT:    xvpermi.d $xr1, $xr1, 68
+; LA32-NEXT:    xvshuf.b $xr0, $xr0, $xr1, $xr0
+; LA32-NEXT:    xvslli.w $xr0, $xr0, 24
+; LA32-NEXT:    xvsrai.w $xr0, $xr0, 24
+; LA32-NEXT:    xvst $xr0, $a1, 0
+; LA32-NEXT:    ret
+;
+; LA64-LABEL: load_sext_8i8_to_8i32:
+; LA64:       # %bb.0: # %entry
+; LA64-NEXT:    ld.d $a0, $a0, 0
+; LA64-NEXT:    pcalau12i $a2, %pc_hi20(.LCPI9_0)
+; LA64-NEXT:    xvld $xr0, $a2, %pc_lo12(.LCPI9_0)
+; LA64-NEXT:    vinsgr2vr.d $vr1, $a0, 0
+; LA64-NEXT:    xvpermi.d $xr1, $xr1, 68
+; LA64-NEXT:    xvshuf.b $xr0, $xr0, $xr1, $xr0
+; LA64-NEXT:    xvslli.w $xr0, $xr0, 24
+; LA64-NEXT:    xvsrai.w $xr0, $xr0, 24
+; LA64-NEXT:    xvst $xr0, $a1, 0
+; LA64-NEXT:    ret
+entry:
+  %A = load <8 x i8>, ptr %ptr
+  %B = sext <8 x i8> %A to <8 x i32>
+  store <8 x i32> %B, ptr %dst
+  ret void
+}
+
+define void @load_sext_8i8_to_8i64(ptr %ptr, ptr %dst) {
+; LA32-LABEL: load_sext_8i8_to_8i64:
+; LA32:       # %bb.0: # %entry
+; LA32-NEXT:    ld.w $a2, $a0, 0
+; LA32-NEXT:    vinsgr2vr.w $vr0, $a2, 0
+; LA32-NEXT:    ld.w $a0, $a0, 4
+; LA32-NEXT:    xvpermi.d $xr1, $xr0, 68
+; LA32-NEXT:    # kill: def $vr0 killed $vr0 killed $xr0
+; LA32-NEXT:    pcalau12i $a2, %pc_hi20(.LCPI10_0)
+; LA32-NEXT:    xvld $xr2, $a2, %pc_lo12(.LCPI10_0)
+; LA32-NEXT:    vinsgr2vr.w $vr0, $a0, 1
+; LA32-NEXT:    vreplvei.w $vr0, $vr0, 1
+; LA32-NEXT:    xvpermi.d $xr0, $xr0, 68
+; LA32-NEXT:    xvshuf.b $xr0, $xr0, $xr0, $xr2
+; LA32-NEXT:    xvslli.d $xr0, $xr0, 56
+; LA32-NEXT:    xvsrai.d $xr0, $xr0, 56
+; LA32-NEXT:    xvshuf.b $xr1, $xr0, $xr1, $xr2
+; LA32-NEXT:    xvslli.d $xr1, $xr1, 56
+; LA32-NEXT:    xvsrai.d $xr1, $xr1, 56
+; LA32-NEXT:    xvst $xr1, $a1, 0
+; LA32-NEXT:    xvst $xr0, $a1, 32
+; LA32-NEXT:    ret
+;
+; LA64-LABEL: load_sext_8i8_to_8i64:
+; LA64:       # %bb.0: # %entry
+; LA64-NEXT:    ld.d $a0, $a0, 0
+; LA64-NEXT:    pcalau12i $a2, %pc_hi20(.LCPI10_0)
+; LA64-NEXT:    xvld $xr0, $a2, %pc_lo12(.LCPI10_0)
+; LA64-NEXT:    vinsgr2vr.d $vr1, $a0, 0
+; LA64-NEXT:    vsrli.d $vr2, $vr1, 32
+; LA64-NEXT:    xvpermi.d $xr2, $xr2, 68
+; LA64-NEXT:    xvshuf.b $xr2, $xr0, $xr2, $xr0
+; LA64-NEXT:    xvslli.d $xr2, $xr2, 56
+; LA64-NEXT:    xvsrai.d $xr2, $xr2, 56
+; LA64-NEXT:    xvpermi.d $xr1, $xr1, 68
+; LA64-NEXT:    xvshuf.b $xr0, $xr0, $xr1, $xr0
+; LA64-NEXT:    xvslli.d $xr0, $xr0, 56
+; LA64-NEXT:    xvsrai.d $xr0, $xr0, 56
+; LA64-NEXT:    xvst $xr0, $a1, 0
+; LA64-NEXT:    xvst $xr2, $a1, 32
+; LA64-NEXT:    ret
+entry:
+  %A = load <8 x i8>, ptr %ptr
+  %B = sext <8 x i8> %A to <8 x i64>
+  store <8 x i64> %B, ptr %dst
+  ret void
+}
+
+define void @load_sext_8i16_to_8i32(ptr %ptr, ptr %dst) {
+; CHECK-LABEL: load_sext_8i16_to_8i32:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    vld $vr0, $a0, 0
+; CHECK-NEXT:    vpickve2gr.h $a0, $vr0, 4
+; CHECK-NEXT:    ext.w.h $a0, $a0
+; CHECK-NEXT:    vinsgr2vr.w $vr1, $a0, 0
+; CHECK-NEXT:    vpickve2gr.h $a0, $vr0, 5
+; CHECK-NEXT:    ext.w.h $a0, $a0
+; CHECK-NEXT:    vinsgr2vr.w $vr1, $a0, 1
+; CHECK-NEXT:    vpickve2gr.h $a0, $vr0, 6
+; CHECK-NEXT:    ext.w.h $a0, $a0
+; CHECK-NEXT:    vinsgr2vr.w $vr1, $a0, 2
+; CHECK-NEXT:    vpickve2gr.h $a0, $vr0, 7
+; CHECK-NEXT:    ext.w.h $a0, $a0
+; CHECK-NEXT:    vinsgr2vr.w $vr1, $a0, 3
+; CHECK-NEXT:    vpickve2gr.h $a0, $vr0, 0
+; CHECK-NEXT:    ext.w.h $a0, $a0
+; CHECK-NEXT:    vinsgr2vr.w $vr2, $a0, 0
+; CHECK-NEXT:    vpickve2gr.h $a0, $vr0, 1
+; CHECK-NEXT:    ext.w.h $a0, $a0
+; CHECK-NEXT:    vinsgr2vr.w $vr2, $a0, 1
+; CHECK-NEXT:    vpickve2gr.h $a0, $vr0, 2
+; CHECK-NEXT:    ext.w.h $a0, $a0
+; CHECK-NEXT:    vinsgr2vr.w $vr2, $a0, 2
+; CHECK-NEXT:    vpickve2gr.h $a0, $vr0, 3
+; CHECK-NEXT:    ext.w.h $a0, $a0
+; CHECK-NEXT:    vinsgr2vr.w $vr2, $a0, 3
+; CHECK-NEXT:    xvpermi.q $xr2, $xr1, 2
+; CHECK-NEXT:    xvst $xr2, $a1, 0
+; CHECK-NEXT:    ret
+entry:
+  %A = load <8 x i16>, ptr %ptr
+  %B = sext <8 x i16> %A to <8 x i32>
+  store <8 x i32> %B, ptr %dst
+  ret void
+}
+
+define void @load_sext_8i16_to_8i64(ptr %ptr, ptr %dst) {
+; LA32-LABEL: load_sext_8i16_to_8i64:
+; LA32:       # %bb.0: # %entry
+; LA32-NEXT:    vld $vr0, $a0, 0
+; LA32-NEXT:    vpickve2gr.h $a0, $vr0, 2
+; LA32-NEXT:    ext.w.h $a0, $a0
+; LA32-NEXT:    vinsgr2vr.w $vr1, $a0, 0
+; LA32-NEXT:    srai.w $a2, $a0, 31
+; LA32-NEXT:    vinsgr2vr.w $vr1, $a2, 1
+; LA32-NEXT:    vpickve2gr.h $a2, $vr0, 3
+; LA32-NEXT:    ext.w.h $a2, $a2
+; LA32-NEXT:    vinsgr2vr.w $vr1, $a2, 2
+; LA32-NEXT:    srai.w $a3, $a2, 31
+; LA32-NEXT:    vinsgr2vr.w $vr1, $a3, 3
+; LA32-NEXT:    vpickve2gr.h $a3, $vr0, 0
+; LA32-NEXT:    ext.w.h $a3, $a3
+; LA32-NEXT:    vinsgr2vr.w $vr2, $a3, 0
+; LA32-NEXT:    vpickve2gr.h $a4, $vr0, 1
+; LA32-NEXT:    ext.w.h $a4, $a4
+; LA32-NEXT:    vinsgr2vr.w $vr2, $a4, 1
+; LA32-NEXT:    srai.w $a3, $a3, 31
+; LA32-NEXT:    vinsgr2vr.w $vr2, $a3, 1
+; LA32-NEXT:    vinsgr2vr.w $vr2, $a0, 2
+; LA32-NEXT:    vinsgr2vr.w $vr2, $a4, 2
+; LA32-NEXT:    vinsgr2vr.w $vr2, $a2, 3
+; LA32-NEXT:    srai.w $a0, $a4, 31
+; LA32-NEXT:    vinsgr2vr.w $vr2, $a0, 3
+; LA32-NEXT:    xvpermi.q $xr2, $xr1, 2
+; LA32-NEXT:    vpickve2gr.h $a0, $vr0, 6
+; LA32-NEXT:    ext.w.h $a0, $a0
+; LA32-NEXT:    vinsgr2vr.w $vr1, $a0, 0
+; LA32-NEXT:    srai.w $a2, $a0, 31
+; LA32-NEXT:    vinsgr2vr.w $vr1, $a2, 1
+; LA32-NEXT:    vpickve2gr.h $a2, $vr0, 7
+; LA32-NEXT:    ext.w.h $a2, $a2
+; LA32-NEXT:    vinsgr2vr.w $vr1, $a2, 2
+; LA32-NEXT:    srai.w $a3, $a2, 31
+; LA32-NEXT:    vinsgr2vr.w $vr1, $a3, 3
+; LA32-NEXT:    vpickve2gr.h $a3, $vr0, 4
+; LA32-NEXT:    ext.w.h $a3, $a3
+; LA32-NEXT:    vinsgr2vr.w $vr3, $a3, 0
+; LA32-NEXT:    vpickve2gr.h $a4, $vr0, 5
+; LA32-NEXT:    ext.w.h $a4, $a4
+; LA32-NEXT:    vinsgr2vr.w $vr3, $a4, 1
+; LA32-NEXT:    srai.w $a3, $a3, 31
+; LA32-NEXT:    vinsgr2vr.w $vr3, $a3, 1
+; LA32-NEXT:    vinsgr2vr.w $vr3, $a0, 2
+; LA32-NEXT:    vinsgr2vr.w $vr3, $a4, 2
+; LA32-NEXT:    vinsgr2vr.w $vr3, $a2, 3
+; LA32-NEXT:    srai.w $a0, $a4, 31
+; LA32-NEXT:    vinsgr2vr.w $vr3, $a0, 3
+; LA32-NEXT:    xvpermi.q $xr3, $xr1, 2
+; LA32-NEXT:    xvst $xr3, $a1, 32
+; LA32-NEXT:    xvst $xr2, $a1, 0
+; LA32-NEXT:    ret
+;
+; LA64-LABEL: load_sext_8i16_to_8i64:
+; LA64:       # %bb.0: # %entry
+; LA64-NEXT:    vld $vr0, $a0, 0
+; LA64-NEXT:    vpickve2gr.h $a0, $vr0, 2
+; LA64-NEXT:    ext.w.h $a0, $a0
+; LA64-NEXT:    vinsgr2vr.d $vr1, $a0, 0
+; LA64-NEXT:    vpickve2gr.h $a0, $vr0, 3
+; LA64-NEXT:    ext.w.h $a0, $a0
+; LA64-NEXT:    vinsgr2vr.d $vr1, $a0, 1
+; LA64-NEXT:    vpickve2gr.h $a0, $vr0, 0
+; LA64-NEXT:    ext.w.h $a0, $a0
+; LA64-NEXT:    vinsgr2vr.d $vr2, $a0, 0
+; LA64-NEXT:    vpickve2gr.h $a0, $vr0, 1
+; LA64-NEXT:    ext.w.h $a0, $a0
+; LA64-NEXT:    vinsgr2vr.d $vr2, $a0, 1
+; LA64-NEXT:    xvpermi.q $xr2, $xr1, 2
+; LA64-NEXT:    vpickve2gr.h $a0, $vr0, 6
+; LA64-NEXT:    ext.w.h $a0, $a0
+; LA64-NEXT:    vinsgr2vr.d $vr1, $a0, 0
+; LA64-NEXT:    vpickve2gr.h $a0, $vr0, 7
+; LA64-NEXT:    ext.w.h $a0, $a0
+; LA64-NEXT:    vinsgr2vr.d $vr1, $a0, 1
+; LA64-NEXT:    vpickve2gr.h $a0, $vr0, 4
+; LA64-NEXT:    ext.w.h $a0, $a0
+; LA64-NEXT:    vinsgr2vr.d $vr3, $a0, 0
+; LA64-NEXT:    vpickve2gr.h $a0, $vr0, 5
+; LA64-NEXT:    ext.w.h $a0, $a0
+; LA64-NEXT:    vinsgr2vr.d $vr3, $a0, 1
+; LA64-NEXT:    xvpermi.q $xr3, $xr1, 2
+; LA64-NEXT:    xvst $xr3, $a1, 32
+; LA64-NEXT:    xvst $xr2, $a1, 0
+; LA64-NEXT:    ret
+entry:
+  %A = load <8 x i16>, ptr %ptr
+  %B = sext <8 x i16> %A to <8 x i64>
+  store <8 x i64> %B, ptr %dst
+  ret void
+}
+
+define void @load_sext_8i32_to_8i64(ptr %ptr, ptr %dst) {
+; LA32-LABEL: load_sext_8i32_to_8i64:
+; LA32:       # %bb.0: # %entry
+; LA32-NEXT:    xvld $xr0, $a0, 0
+; LA32-NEXT:    xvpermi.q $xr1, $xr0, 1
+; LA32-NEXT:    vextrins.w $vr2, $vr1, 2
+; LA32-NEXT:    vpickve2gr.w $a0, $vr1, 2
+; LA32-NEXT:    srai.w $a0, $a0, 31
+; LA32-NEXT:    vinsgr2vr.w $vr2, $a0, 1
+; LA32-NEXT:    vextrins.w $vr2, $vr1, 35
+; LA32-NEXT:    vpickve2gr.w $a0, $vr1, 3
+; LA32-NEXT:    srai.w $a0, $a0, 31
+; LA32-NEXT:    vinsgr2vr.w $vr2, $a0, 3
+; LA32-NEXT:    vpickve2gr.w $a0, $vr1, 0
+; LA32-NEXT:    srai.w $a0, $a0, 31
+; LA32-NEXT:    vori.b $vr3, $vr1, 0
+; LA32-NEXT:    vinsgr2vr.w $vr3, $a0, 1
+; LA32-NEXT:    vextrins.w $vr3, $vr1, 33
+; LA32-NEXT:    vpickve2gr.w $a0, $vr1, 1
+; LA32-NEXT:    srai.w $a0, $a0, 31
+; LA32-NEXT:    vinsgr2vr.w $vr3, $a0, 3
+; LA32-NEXT:    xvpermi.q $xr3, $xr2, 2
+; LA32-NEXT:    vextrins.w $vr1, $vr0, 2
+; LA32-NEXT:    vpickve2gr.w $a0, $vr0, 2
+; LA32-NEXT:    srai.w $a0, $a0, 31
+; LA32-NEXT:    vinsgr2vr.w $vr1, $a0, 1
+; LA32-NEXT:    vextrins.w $vr1, $vr0, 35
+; LA32-NEXT:    vpickve2gr.w $a0, $vr0, 3
+; LA32-NEXT:    srai.w $a0, $a0, 31
+; LA32-NEXT:    vinsgr2vr.w $vr1, $a0, 3
+; LA32-NEXT:    vpickve2gr.w $a0, $vr0, 0
+; LA32-NEXT:    srai.w $a0, $a0, 31
+; LA32-NEXT:    vori.b $vr2, $vr0, 0
+; LA32-NEXT:    vinsgr2vr.w $vr2, $a0, 1
+; LA32-NEXT:    vextrins.w $vr2, $vr0, 33
+; LA32-NEXT:    vpickve2gr.w $a0, $vr0, 1
+; LA32-NEXT:    srai.w $a0, $a0, 31
+; LA32-NEXT:    vinsgr2vr.w $vr2, $a0, 3
+; LA32-NEXT:    xvpermi.q $xr2, $xr1, 2
+; LA32-NEXT:    xvst $xr2, $a1, 0
+; LA32-NEXT:    xvst $xr3, $a1, 32
+; LA32-NEXT:    ret
+;
+; LA64-LABEL: load_sext_8i32_to_8i64:
+; LA64:       # %bb.0: # %entry
+; LA64-NEXT:    xvld $xr0, $a0, 0
+; LA64-NEXT:    xvpermi.q $xr1, $xr0, 1
+; LA64-NEXT:    vpickve2gr.w $a0, $vr1, 2
+; LA64-NEXT:    vinsgr2vr.d $vr2, $a0, 0
+; LA64-NEXT:    vpickve2gr.w $a0, $vr1, 3
+; LA64-NEXT:    vinsgr2vr.d $vr2, $a0, 1
+; LA64-NEXT:    vpickve2gr.w $a0, $vr1, 0
+; LA64-NEXT:    vinsgr2vr.d $vr3, $a0, 0
+; LA64-NEXT:    vpickve2gr.w $a0, $vr1, 1
+; LA64-NEXT:    vinsgr2vr.d $vr3, $a0, 1
+; LA64-NEXT:    xvpermi.q $xr3, $xr2, 2
+; LA64-NEXT:    vpickve2gr.w $a0, $vr0, 2
+; LA64-NEXT:    vinsgr2vr.d $vr1, $a0, 0
+; LA64-NEXT:    vpickve2gr.w $a0, $vr0, 3
+; LA64-NEXT:    vinsgr2vr.d $vr1, $a0, 1
+; LA64-NEXT:    vpickve2gr.w $a0, $vr0, 0
+; LA64-NEXT:    vinsgr2vr.d $vr2, $a0, 0
+; LA64-NEXT:    vpickve2gr.w $a0, $vr0, 1
+; LA64-NEXT:    vinsgr2vr.d $vr2, $a0, 1
+; LA64-NEXT:    xvpermi.q $xr2, $xr1, 2
+; LA64-NEXT:    xvst $xr2, $a1, 0
+; LA64-NEXT:    xvst $xr3, $a1, 32
+; LA64-NEXT:    ret
+entry:
+  %A = load <8 x i32>, ptr %ptr
+  %B = sext <8 x i32> %A to <8 x i64>
+  store <8 x i64> %B, ptr %dst
+  ret void
+}
+
+define void @load_sext_16i8_to_16i16(ptr %ptr, ptr %dst) {
+; CHECK-LABEL: load_sext_16i8_to_16i16:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    vld $vr0, $a0, 0
+; CHECK-NEXT:    vpickve2gr.b $a0, $vr0, 8
+; CHECK-NEXT:    ext.w.b $a0, $a0
+; CHECK-NEXT:    vinsgr2vr.h $vr1, $a0, 0
+; CHECK-NEXT:    vpickve2gr.b $a0, $vr0, 9
+; CHECK-NEXT:    ext.w.b $a0, $a0
+; CHECK-NEXT:    vinsgr2vr.h $vr1, $a0, 1
+; CHECK-NEXT:    vpickve2gr.b $a0, $vr0, 10
+; CHECK-NEXT:    ext.w.b $a0, $a0
+; CHECK-NEXT:    vinsgr2vr.h $vr1, $a0, 2
+; CHECK-NEXT:    vpickve2gr.b $a0, $vr0, 11
+; CHECK-NEXT:    ext.w.b $a0, $a0
+; CHECK-NEXT:    vinsgr2vr.h $vr1, $a0, 3
+; CHECK-NEXT:    vpickve2gr.b $a0, $vr0, 12
+; CHECK-NEXT:    ext.w.b $a0, $a0
+; CHECK-NEXT:    vinsgr2vr.h $vr1, $a0, 4
+; CHECK-NEXT:    vpickve2gr.b $a0, $vr0, 13
+; CHECK-NEXT:    ext.w.b $a0, $a0
+; CHECK-NEXT:    vinsgr2vr.h $vr1, $a0, 5
+; CHECK-NEXT:    vpickve2gr.b $a0, $vr0, 14
+; CHECK-NEXT:    ext.w.b $a0, $a0
+; CHECK-NEXT:    vinsgr2vr.h $vr1, $a0, 6
+; CHECK-NEXT:    vpickve2gr.b $a0, $vr0, 15
+; CHECK-NEXT:    ext.w.b $a0, $a0
+; CHECK-NEXT:    vinsgr2vr.h $vr1, $a0, 7
+; CHECK-NEXT:    vpickve2gr.b $a0, $vr0, 0
+; CHECK-NEXT:    ext.w.b $a0, $a0
+; CHECK-NEXT:    vinsgr2vr.h $vr2, $a0, 0
+; CH...
[truncated]

``````````

</details>


https://github.com/llvm/llvm-project/pull/160808


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