[llvm] [LoongArch] fix vec-trunc.ll test error (PR #131104)
via llvm-commits
llvm-commits at lists.llvm.org
Thu Mar 13 02:00:40 PDT 2025
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-backend-loongarch
Author: None (tangaac)
<details>
<summary>Changes</summary>
---
Full diff: https://github.com/llvm/llvm-project/pull/131104.diff
1 Files Affected:
- (modified) llvm/test/CodeGen/LoongArch/lsx/vec-trunc.ll (+97-42)
``````````diff
diff --git a/llvm/test/CodeGen/LoongArch/lsx/vec-trunc.ll b/llvm/test/CodeGen/LoongArch/lsx/vec-trunc.ll
index a42c3002f46d7..85e89e84464ef 100644
--- a/llvm/test/CodeGen/LoongArch/lsx/vec-trunc.ll
+++ b/llvm/test/CodeGen/LoongArch/lsx/vec-trunc.ll
@@ -4,11 +4,15 @@
define void @load_trunc_2i64_to_2i32(ptr %ptr, ptr %dst) nounwind {
; CHECK-LABEL: load_trunc_2i64_to_2i32:
; CHECK: # %bb.0:
+; CHECK-NEXT: addi.d $sp, $sp, -16
; CHECK-NEXT: vld $vr0, $a0, 0
; CHECK-NEXT: vpickve2gr.d $a0, $vr0, 1
-; CHECK-NEXT: st.w $a0, $a1, 4
+; CHECK-NEXT: st.w $a0, $sp, 4
; CHECK-NEXT: vpickve2gr.d $a0, $vr0, 0
-; CHECK-NEXT: st.w $a0, $a1, 0
+; CHECK-NEXT: st.w $a0, $sp, 0
+; CHECK-NEXT: ld.d $a0, $sp, 0
+; CHECK-NEXT: st.d $a0, $a1, 0
+; CHECK-NEXT: addi.d $sp, $sp, 16
; CHECK-NEXT: ret
%a = load <2 x i64>, ptr %ptr
%trunc = trunc <2 x i64> %a to <2 x i32>
@@ -19,11 +23,16 @@ define void @load_trunc_2i64_to_2i32(ptr %ptr, ptr %dst) nounwind {
define void @load_trunc_2i64_to_2i16(ptr %ptr, ptr %dst) nounwind {
; CHECK-LABEL: load_trunc_2i64_to_2i16:
; CHECK: # %bb.0:
+; CHECK-NEXT: addi.d $sp, $sp, -16
; CHECK-NEXT: vld $vr0, $a0, 0
; CHECK-NEXT: vpickve2gr.d $a0, $vr0, 1
-; CHECK-NEXT: st.h $a0, $a1, 2
+; CHECK-NEXT: st.h $a0, $sp, 2
; CHECK-NEXT: vpickve2gr.d $a0, $vr0, 0
-; CHECK-NEXT: st.h $a0, $a1, 0
+; CHECK-NEXT: st.h $a0, $sp, 0
+; CHECK-NEXT: vld $vr0, $sp, 0
+; CHECK-NEXT: vpickve2gr.w $a0, $vr0, 0
+; CHECK-NEXT: st.w $a0, $a1, 0
+; CHECK-NEXT: addi.d $sp, $sp, 16
; CHECK-NEXT: ret
%a = load <2 x i64>, ptr %ptr
%trunc = trunc <2 x i64> %a to <2 x i16>
@@ -34,11 +43,16 @@ define void @load_trunc_2i64_to_2i16(ptr %ptr, ptr %dst) nounwind {
define void @load_trunc_2i64_to_2i8(ptr %ptr, ptr %dst) nounwind {
; CHECK-LABEL: load_trunc_2i64_to_2i8:
; CHECK: # %bb.0:
+; CHECK-NEXT: addi.d $sp, $sp, -16
; CHECK-NEXT: vld $vr0, $a0, 0
; CHECK-NEXT: vpickve2gr.d $a0, $vr0, 1
-; CHECK-NEXT: st.b $a0, $a1, 1
+; CHECK-NEXT: st.b $a0, $sp, 1
; CHECK-NEXT: vpickve2gr.d $a0, $vr0, 0
-; CHECK-NEXT: st.b $a0, $a1, 0
+; CHECK-NEXT: st.b $a0, $sp, 0
+; CHECK-NEXT: vld $vr0, $sp, 0
+; CHECK-NEXT: vpickve2gr.h $a0, $vr0, 0
+; CHECK-NEXT: st.h $a0, $a1, 0
+; CHECK-NEXT: addi.d $sp, $sp, 16
; CHECK-NEXT: ret
%a = load <2 x i64>, ptr %ptr
%trunc = trunc <2 x i64> %a to <2 x i8>
@@ -49,15 +63,19 @@ define void @load_trunc_2i64_to_2i8(ptr %ptr, ptr %dst) nounwind {
define void @load_trunc_4i32_to_4i16(ptr %ptr, ptr %dst) nounwind {
; CHECK-LABEL: load_trunc_4i32_to_4i16:
; CHECK: # %bb.0:
+; CHECK-NEXT: addi.d $sp, $sp, -16
; CHECK-NEXT: vld $vr0, $a0, 0
; CHECK-NEXT: vpickve2gr.w $a0, $vr0, 3
-; CHECK-NEXT: st.h $a0, $a1, 6
+; CHECK-NEXT: st.h $a0, $sp, 6
; CHECK-NEXT: vpickve2gr.w $a0, $vr0, 2
-; CHECK-NEXT: st.h $a0, $a1, 4
+; CHECK-NEXT: st.h $a0, $sp, 4
; CHECK-NEXT: vpickve2gr.w $a0, $vr0, 1
-; CHECK-NEXT: st.h $a0, $a1, 2
+; CHECK-NEXT: st.h $a0, $sp, 2
; CHECK-NEXT: vpickve2gr.w $a0, $vr0, 0
-; CHECK-NEXT: st.h $a0, $a1, 0
+; CHECK-NEXT: st.h $a0, $sp, 0
+; CHECK-NEXT: ld.d $a0, $sp, 0
+; CHECK-NEXT: st.d $a0, $a1, 0
+; CHECK-NEXT: addi.d $sp, $sp, 16
; CHECK-NEXT: ret
%a = load <4 x i32>, ptr %ptr
%trunc = trunc <4 x i32> %a to <4 x i16>
@@ -68,15 +86,20 @@ define void @load_trunc_4i32_to_4i16(ptr %ptr, ptr %dst) nounwind {
define void @load_trunc_4i32_to_4i8(ptr %ptr, ptr %dst) nounwind {
; CHECK-LABEL: load_trunc_4i32_to_4i8:
; CHECK: # %bb.0:
+; CHECK-NEXT: addi.d $sp, $sp, -16
; CHECK-NEXT: vld $vr0, $a0, 0
; CHECK-NEXT: vpickve2gr.w $a0, $vr0, 3
-; CHECK-NEXT: st.b $a0, $a1, 3
+; CHECK-NEXT: st.b $a0, $sp, 3
; CHECK-NEXT: vpickve2gr.w $a0, $vr0, 2
-; CHECK-NEXT: st.b $a0, $a1, 2
+; CHECK-NEXT: st.b $a0, $sp, 2
; CHECK-NEXT: vpickve2gr.w $a0, $vr0, 1
-; CHECK-NEXT: st.b $a0, $a1, 1
+; CHECK-NEXT: st.b $a0, $sp, 1
+; CHECK-NEXT: vpickve2gr.w $a0, $vr0, 0
+; CHECK-NEXT: st.b $a0, $sp, 0
+; CHECK-NEXT: vld $vr0, $sp, 0
; CHECK-NEXT: vpickve2gr.w $a0, $vr0, 0
-; CHECK-NEXT: st.b $a0, $a1, 0
+; CHECK-NEXT: st.w $a0, $a1, 0
+; CHECK-NEXT: addi.d $sp, $sp, 16
; CHECK-NEXT: ret
%a = load <4 x i32>, ptr %ptr
%trunc = trunc <4 x i32> %a to <4 x i8>
@@ -87,23 +110,27 @@ define void @load_trunc_4i32_to_4i8(ptr %ptr, ptr %dst) nounwind {
define void @load_trunc_8i16_to_8i8(ptr %ptr, ptr %dst) nounwind {
; CHECK-LABEL: load_trunc_8i16_to_8i8:
; CHECK: # %bb.0:
+; CHECK-NEXT: addi.d $sp, $sp, -16
; CHECK-NEXT: vld $vr0, $a0, 0
; CHECK-NEXT: vpickve2gr.h $a0, $vr0, 7
-; CHECK-NEXT: st.b $a0, $a1, 7
+; CHECK-NEXT: st.b $a0, $sp, 7
; CHECK-NEXT: vpickve2gr.h $a0, $vr0, 6
-; CHECK-NEXT: st.b $a0, $a1, 6
+; CHECK-NEXT: st.b $a0, $sp, 6
; CHECK-NEXT: vpickve2gr.h $a0, $vr0, 5
-; CHECK-NEXT: st.b $a0, $a1, 5
+; CHECK-NEXT: st.b $a0, $sp, 5
; CHECK-NEXT: vpickve2gr.h $a0, $vr0, 4
-; CHECK-NEXT: st.b $a0, $a1, 4
+; CHECK-NEXT: st.b $a0, $sp, 4
; CHECK-NEXT: vpickve2gr.h $a0, $vr0, 3
-; CHECK-NEXT: st.b $a0, $a1, 3
+; CHECK-NEXT: st.b $a0, $sp, 3
; CHECK-NEXT: vpickve2gr.h $a0, $vr0, 2
-; CHECK-NEXT: st.b $a0, $a1, 2
+; CHECK-NEXT: st.b $a0, $sp, 2
; CHECK-NEXT: vpickve2gr.h $a0, $vr0, 1
-; CHECK-NEXT: st.b $a0, $a1, 1
+; CHECK-NEXT: st.b $a0, $sp, 1
; CHECK-NEXT: vpickve2gr.h $a0, $vr0, 0
-; CHECK-NEXT: st.b $a0, $a1, 0
+; CHECK-NEXT: st.b $a0, $sp, 0
+; CHECK-NEXT: ld.d $a0, $sp, 0
+; CHECK-NEXT: st.d $a0, $a1, 0
+; CHECK-NEXT: addi.d $sp, $sp, 16
; CHECK-NEXT: ret
%a = load <8 x i16>, ptr %ptr
%trunc = trunc <8 x i16> %a to <8 x i8>
@@ -114,10 +141,17 @@ define void @load_trunc_8i16_to_8i8(ptr %ptr, ptr %dst) nounwind {
define void @load_trunc_2i32_to_2i16(ptr %ptr, ptr %dst) nounwind {
; CHECK-LABEL: load_trunc_2i32_to_2i16:
; CHECK: # %bb.0:
-; CHECK-NEXT: ld.w $a2, $a0, 4
-; CHECK-NEXT: ld.w $a0, $a0, 0
-; CHECK-NEXT: st.h $a2, $a1, 2
-; CHECK-NEXT: st.h $a0, $a1, 0
+; CHECK-NEXT: addi.d $sp, $sp, -16
+; CHECK-NEXT: ld.d $a0, $a0, 0
+; CHECK-NEXT: vinsgr2vr.d $vr0, $a0, 0
+; CHECK-NEXT: vpickve2gr.w $a0, $vr0, 1
+; CHECK-NEXT: st.h $a0, $sp, 2
+; CHECK-NEXT: vpickve2gr.w $a0, $vr0, 0
+; CHECK-NEXT: st.h $a0, $sp, 0
+; CHECK-NEXT: vld $vr0, $sp, 0
+; CHECK-NEXT: vpickve2gr.w $a0, $vr0, 0
+; CHECK-NEXT: st.w $a0, $a1, 0
+; CHECK-NEXT: addi.d $sp, $sp, 16
; CHECK-NEXT: ret
%a = load <2 x i32>, ptr %ptr
%trunc = trunc <2 x i32> %a to <2 x i16>
@@ -128,10 +162,17 @@ define void @load_trunc_2i32_to_2i16(ptr %ptr, ptr %dst) nounwind {
define void @load_trunc_2i32_to_2i8(ptr %ptr, ptr %dst) nounwind {
; CHECK-LABEL: load_trunc_2i32_to_2i8:
; CHECK: # %bb.0:
-; CHECK-NEXT: ld.w $a2, $a0, 4
-; CHECK-NEXT: ld.w $a0, $a0, 0
-; CHECK-NEXT: st.b $a2, $a1, 1
-; CHECK-NEXT: st.b $a0, $a1, 0
+; CHECK-NEXT: addi.d $sp, $sp, -16
+; CHECK-NEXT: ld.d $a0, $a0, 0
+; CHECK-NEXT: vinsgr2vr.d $vr0, $a0, 0
+; CHECK-NEXT: vpickve2gr.w $a0, $vr0, 1
+; CHECK-NEXT: st.b $a0, $sp, 1
+; CHECK-NEXT: vpickve2gr.w $a0, $vr0, 0
+; CHECK-NEXT: st.b $a0, $sp, 0
+; CHECK-NEXT: vld $vr0, $sp, 0
+; CHECK-NEXT: vpickve2gr.h $a0, $vr0, 0
+; CHECK-NEXT: st.h $a0, $a1, 0
+; CHECK-NEXT: addi.d $sp, $sp, 16
; CHECK-NEXT: ret
%a = load <2 x i32>, ptr %ptr
%trunc = trunc <2 x i32> %a to <2 x i8>
@@ -142,14 +183,21 @@ define void @load_trunc_2i32_to_2i8(ptr %ptr, ptr %dst) nounwind {
define void @load_trunc_4i16_to_4i8(ptr %ptr, ptr %dst) nounwind {
; CHECK-LABEL: load_trunc_4i16_to_4i8:
; CHECK: # %bb.0:
-; CHECK-NEXT: ld.h $a2, $a0, 6
-; CHECK-NEXT: ld.h $a3, $a0, 4
-; CHECK-NEXT: ld.h $a4, $a0, 2
-; CHECK-NEXT: ld.h $a0, $a0, 0
-; CHECK-NEXT: st.b $a2, $a1, 3
-; CHECK-NEXT: st.b $a3, $a1, 2
-; CHECK-NEXT: st.b $a4, $a1, 1
-; CHECK-NEXT: st.b $a0, $a1, 0
+; CHECK-NEXT: addi.d $sp, $sp, -16
+; CHECK-NEXT: ld.d $a0, $a0, 0
+; CHECK-NEXT: vinsgr2vr.d $vr0, $a0, 0
+; CHECK-NEXT: vpickve2gr.h $a0, $vr0, 3
+; CHECK-NEXT: st.b $a0, $sp, 3
+; CHECK-NEXT: vpickve2gr.h $a0, $vr0, 2
+; CHECK-NEXT: st.b $a0, $sp, 2
+; CHECK-NEXT: vpickve2gr.h $a0, $vr0, 1
+; CHECK-NEXT: st.b $a0, $sp, 1
+; CHECK-NEXT: vpickve2gr.h $a0, $vr0, 0
+; CHECK-NEXT: st.b $a0, $sp, 0
+; CHECK-NEXT: vld $vr0, $sp, 0
+; CHECK-NEXT: vpickve2gr.w $a0, $vr0, 0
+; CHECK-NEXT: st.w $a0, $a1, 0
+; CHECK-NEXT: addi.d $sp, $sp, 16
; CHECK-NEXT: ret
%a = load <4 x i16>, ptr %ptr
%trunc = trunc <4 x i16> %a to <4 x i8>
@@ -160,10 +208,17 @@ define void @load_trunc_4i16_to_4i8(ptr %ptr, ptr %dst) nounwind {
define void @load_trunc_2i16_to_2i8(ptr %ptr, ptr %dst) nounwind {
; CHECK-LABEL: load_trunc_2i16_to_2i8:
; CHECK: # %bb.0:
-; CHECK-NEXT: ld.h $a2, $a0, 2
-; CHECK-NEXT: ld.h $a0, $a0, 0
-; CHECK-NEXT: st.b $a2, $a1, 1
-; CHECK-NEXT: st.b $a0, $a1, 0
+; CHECK-NEXT: addi.d $sp, $sp, -16
+; CHECK-NEXT: ld.w $a0, $a0, 0
+; CHECK-NEXT: vinsgr2vr.w $vr0, $a0, 0
+; CHECK-NEXT: vpickve2gr.h $a0, $vr0, 1
+; CHECK-NEXT: st.b $a0, $sp, 1
+; CHECK-NEXT: vpickve2gr.h $a0, $vr0, 0
+; CHECK-NEXT: st.b $a0, $sp, 0
+; CHECK-NEXT: vld $vr0, $sp, 0
+; CHECK-NEXT: vpickve2gr.h $a0, $vr0, 0
+; CHECK-NEXT: st.h $a0, $a1, 0
+; CHECK-NEXT: addi.d $sp, $sp, 16
; CHECK-NEXT: ret
%a = load <2 x i16>, ptr %ptr
%trunc = trunc <2 x i16> %a to <2 x i8>
``````````
</details>
https://github.com/llvm/llvm-project/pull/131104
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