[clang] [llvm] [NFC][PowerPC] Cleaning up test file and removing redundant front-end test (PR #151971)
via llvm-commits
llvm-commits at lists.llvm.org
Mon Aug 4 07:01:20 PDT 2025
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-backend-powerpc
Author: None (Himadhith)
<details>
<summary>Changes</summary>
NFC patch to clean up extra lines of code in the file `llvm/test/CodeGen/PowerPC/check-zero-vector.ll` as the current one has loop unrolled.
Also removing the file `clang/test/CodeGen/PowerPC/check-zero-vector.c` as the patch affects only the backend.
---
Patch is 24.07 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/151971.diff
2 Files Affected:
- (removed) clang/test/CodeGen/PowerPC/check-zero-vector.c (-143)
- (modified) llvm/test/CodeGen/PowerPC/check-zero-vector.ll (+74-226)
``````````diff
diff --git a/clang/test/CodeGen/PowerPC/check-zero-vector.c b/clang/test/CodeGen/PowerPC/check-zero-vector.c
deleted file mode 100644
index cb6c826641366..0000000000000
--- a/clang/test/CodeGen/PowerPC/check-zero-vector.c
+++ /dev/null
@@ -1,143 +0,0 @@
-// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 5
-// RUN: %clang_cc1 -triple powerpc64-ibm-aix -emit-llvm %s -o - | FileCheck %s --check-prefix=POWERPC_64
-// RUN: %clang_cc1 -triple powerpc64le-unknown-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefix=POWERPC_64LE
-// RUN: %clang_cc1 -triple powerpc-ibm-aix -emit-llvm %s -o - | FileCheck %s --check-prefix=POWERPC_32
-
-// POWERPC_64-LABEL: define signext i32 @test_Greater_than(
-// POWERPC_64-SAME: ptr noundef [[COLAUTHS:%.*]]) #[[ATTR0:[0-9]+]] {
-// POWERPC_64-NEXT: [[ENTRY:.*:]]
-// POWERPC_64-NEXT: [[COLAUTHS_ADDR:%.*]] = alloca ptr, align 8
-// POWERPC_64-NEXT: [[RESULT:%.*]] = alloca i16, align 2
-// POWERPC_64-NEXT: [[I:%.*]] = alloca i32, align 4
-// POWERPC_64-NEXT: store ptr [[COLAUTHS]], ptr [[COLAUTHS_ADDR]], align 8
-// POWERPC_64-NEXT: store i16 0, ptr [[RESULT]], align 2
-// POWERPC_64-NEXT: store i32 0, ptr [[I]], align 4
-// POWERPC_64-NEXT: br label %[[FOR_COND:.*]]
-// POWERPC_64: [[FOR_COND]]:
-// POWERPC_64-NEXT: [[TMP0:%.*]] = load i32, ptr [[I]], align 4
-// POWERPC_64-NEXT: [[CMP:%.*]] = icmp slt i32 [[TMP0]], 4
-// POWERPC_64-NEXT: br i1 [[CMP]], label %[[FOR_BODY:.*]], label %[[FOR_END:.*]]
-// POWERPC_64: [[FOR_BODY]]:
-// POWERPC_64-NEXT: [[TMP1:%.*]] = load ptr, ptr [[COLAUTHS_ADDR]], align 8
-// POWERPC_64-NEXT: [[TMP2:%.*]] = load i32, ptr [[I]], align 4
-// POWERPC_64-NEXT: [[IDXPROM:%.*]] = sext i32 [[TMP2]] to i64
-// POWERPC_64-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i16, ptr [[TMP1]], i64 [[IDXPROM]]
-// POWERPC_64-NEXT: [[TMP3:%.*]] = load i16, ptr [[ARRAYIDX]], align 2
-// POWERPC_64-NEXT: [[CONV:%.*]] = zext i16 [[TMP3]] to i32
-// POWERPC_64-NEXT: [[CMP1:%.*]] = icmp sgt i32 [[CONV]], 0
-// POWERPC_64-NEXT: br i1 [[CMP1]], label %[[IF_THEN:.*]], label %[[IF_END:.*]]
-// POWERPC_64: [[IF_THEN]]:
-// POWERPC_64-NEXT: [[TMP4:%.*]] = load i16, ptr [[RESULT]], align 2
-// POWERPC_64-NEXT: [[INC:%.*]] = add i16 [[TMP4]], 1
-// POWERPC_64-NEXT: store i16 [[INC]], ptr [[RESULT]], align 2
-// POWERPC_64-NEXT: br label %[[IF_END]]
-// POWERPC_64: [[IF_END]]:
-// POWERPC_64-NEXT: br label %[[FOR_INC:.*]]
-// POWERPC_64: [[FOR_INC]]:
-// POWERPC_64-NEXT: [[TMP5:%.*]] = load i32, ptr [[I]], align 4
-// POWERPC_64-NEXT: [[INC3:%.*]] = add nsw i32 [[TMP5]], 1
-// POWERPC_64-NEXT: store i32 [[INC3]], ptr [[I]], align 4
-// POWERPC_64-NEXT: br label %[[FOR_COND]], !llvm.loop [[LOOP2:![0-9]+]]
-// POWERPC_64: [[FOR_END]]:
-// POWERPC_64-NEXT: [[TMP6:%.*]] = load i16, ptr [[RESULT]], align 2
-// POWERPC_64-NEXT: [[CONV4:%.*]] = zext i16 [[TMP6]] to i32
-// POWERPC_64-NEXT: ret i32 [[CONV4]]
-//
-// POWERPC_64LE-LABEL: define dso_local signext i32 @test_Greater_than(
-// POWERPC_64LE-SAME: ptr noundef [[COLAUTHS:%.*]]) #[[ATTR0:[0-9]+]] {
-// POWERPC_64LE-NEXT: [[ENTRY:.*:]]
-// POWERPC_64LE-NEXT: [[COLAUTHS_ADDR:%.*]] = alloca ptr, align 8
-// POWERPC_64LE-NEXT: [[RESULT:%.*]] = alloca i16, align 2
-// POWERPC_64LE-NEXT: [[I:%.*]] = alloca i32, align 4
-// POWERPC_64LE-NEXT: store ptr [[COLAUTHS]], ptr [[COLAUTHS_ADDR]], align 8
-// POWERPC_64LE-NEXT: store i16 0, ptr [[RESULT]], align 2
-// POWERPC_64LE-NEXT: store i32 0, ptr [[I]], align 4
-// POWERPC_64LE-NEXT: br label %[[FOR_COND:.*]]
-// POWERPC_64LE: [[FOR_COND]]:
-// POWERPC_64LE-NEXT: [[TMP0:%.*]] = load i32, ptr [[I]], align 4
-// POWERPC_64LE-NEXT: [[CMP:%.*]] = icmp slt i32 [[TMP0]], 4
-// POWERPC_64LE-NEXT: br i1 [[CMP]], label %[[FOR_BODY:.*]], label %[[FOR_END:.*]]
-// POWERPC_64LE: [[FOR_BODY]]:
-// POWERPC_64LE-NEXT: [[TMP1:%.*]] = load ptr, ptr [[COLAUTHS_ADDR]], align 8
-// POWERPC_64LE-NEXT: [[TMP2:%.*]] = load i32, ptr [[I]], align 4
-// POWERPC_64LE-NEXT: [[IDXPROM:%.*]] = sext i32 [[TMP2]] to i64
-// POWERPC_64LE-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i16, ptr [[TMP1]], i64 [[IDXPROM]]
-// POWERPC_64LE-NEXT: [[TMP3:%.*]] = load i16, ptr [[ARRAYIDX]], align 2
-// POWERPC_64LE-NEXT: [[CONV:%.*]] = zext i16 [[TMP3]] to i32
-// POWERPC_64LE-NEXT: [[CMP1:%.*]] = icmp sgt i32 [[CONV]], 0
-// POWERPC_64LE-NEXT: br i1 [[CMP1]], label %[[IF_THEN:.*]], label %[[IF_END:.*]]
-// POWERPC_64LE: [[IF_THEN]]:
-// POWERPC_64LE-NEXT: [[TMP4:%.*]] = load i16, ptr [[RESULT]], align 2
-// POWERPC_64LE-NEXT: [[INC:%.*]] = add i16 [[TMP4]], 1
-// POWERPC_64LE-NEXT: store i16 [[INC]], ptr [[RESULT]], align 2
-// POWERPC_64LE-NEXT: br label %[[IF_END]]
-// POWERPC_64LE: [[IF_END]]:
-// POWERPC_64LE-NEXT: br label %[[FOR_INC:.*]]
-// POWERPC_64LE: [[FOR_INC]]:
-// POWERPC_64LE-NEXT: [[TMP5:%.*]] = load i32, ptr [[I]], align 4
-// POWERPC_64LE-NEXT: [[INC3:%.*]] = add nsw i32 [[TMP5]], 1
-// POWERPC_64LE-NEXT: store i32 [[INC3]], ptr [[I]], align 4
-// POWERPC_64LE-NEXT: br label %[[FOR_COND]], !llvm.loop [[LOOP2:![0-9]+]]
-// POWERPC_64LE: [[FOR_END]]:
-// POWERPC_64LE-NEXT: [[TMP6:%.*]] = load i16, ptr [[RESULT]], align 2
-// POWERPC_64LE-NEXT: [[CONV4:%.*]] = zext i16 [[TMP6]] to i32
-// POWERPC_64LE-NEXT: ret i32 [[CONV4]]
-//
-// POWERPC_32-LABEL: define i32 @test_Greater_than(
-// POWERPC_32-SAME: ptr noundef [[COLAUTHS:%.*]]) #[[ATTR0:[0-9]+]] {
-// POWERPC_32-NEXT: [[ENTRY:.*:]]
-// POWERPC_32-NEXT: [[COLAUTHS_ADDR:%.*]] = alloca ptr, align 4
-// POWERPC_32-NEXT: [[RESULT:%.*]] = alloca i16, align 2
-// POWERPC_32-NEXT: [[I:%.*]] = alloca i32, align 4
-// POWERPC_32-NEXT: store ptr [[COLAUTHS]], ptr [[COLAUTHS_ADDR]], align 4
-// POWERPC_32-NEXT: store i16 0, ptr [[RESULT]], align 2
-// POWERPC_32-NEXT: store i32 0, ptr [[I]], align 4
-// POWERPC_32-NEXT: br label %[[FOR_COND:.*]]
-// POWERPC_32: [[FOR_COND]]:
-// POWERPC_32-NEXT: [[TMP0:%.*]] = load i32, ptr [[I]], align 4
-// POWERPC_32-NEXT: [[CMP:%.*]] = icmp slt i32 [[TMP0]], 4
-// POWERPC_32-NEXT: br i1 [[CMP]], label %[[FOR_BODY:.*]], label %[[FOR_END:.*]]
-// POWERPC_32: [[FOR_BODY]]:
-// POWERPC_32-NEXT: [[TMP1:%.*]] = load ptr, ptr [[COLAUTHS_ADDR]], align 4
-// POWERPC_32-NEXT: [[TMP2:%.*]] = load i32, ptr [[I]], align 4
-// POWERPC_32-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i16, ptr [[TMP1]], i32 [[TMP2]]
-// POWERPC_32-NEXT: [[TMP3:%.*]] = load i16, ptr [[ARRAYIDX]], align 2
-// POWERPC_32-NEXT: [[CONV:%.*]] = zext i16 [[TMP3]] to i32
-// POWERPC_32-NEXT: [[CMP1:%.*]] = icmp sgt i32 [[CONV]], 0
-// POWERPC_32-NEXT: br i1 [[CMP1]], label %[[IF_THEN:.*]], label %[[IF_END:.*]]
-// POWERPC_32: [[IF_THEN]]:
-// POWERPC_32-NEXT: [[TMP4:%.*]] = load i16, ptr [[RESULT]], align 2
-// POWERPC_32-NEXT: [[INC:%.*]] = add i16 [[TMP4]], 1
-// POWERPC_32-NEXT: store i16 [[INC]], ptr [[RESULT]], align 2
-// POWERPC_32-NEXT: br label %[[IF_END]]
-// POWERPC_32: [[IF_END]]:
-// POWERPC_32-NEXT: br label %[[FOR_INC:.*]]
-// POWERPC_32: [[FOR_INC]]:
-// POWERPC_32-NEXT: [[TMP5:%.*]] = load i32, ptr [[I]], align 4
-// POWERPC_32-NEXT: [[INC3:%.*]] = add nsw i32 [[TMP5]], 1
-// POWERPC_32-NEXT: store i32 [[INC3]], ptr [[I]], align 4
-// POWERPC_32-NEXT: br label %[[FOR_COND]], !llvm.loop [[LOOP2:![0-9]+]]
-// POWERPC_32: [[FOR_END]]:
-// POWERPC_32-NEXT: [[TMP6:%.*]] = load i16, ptr [[RESULT]], align 2
-// POWERPC_32-NEXT: [[CONV4:%.*]] = zext i16 [[TMP6]] to i32
-// POWERPC_32-NEXT: ret i32 [[CONV4]]
-//
-int test_Greater_than(unsigned short *colauths) {
- unsigned short result = 0;
- for (int i = 0; i < 4; i++) {
- if (colauths[i] > 0) {
- result++;
- }
- }
- return result;
-}
-//.
-// POWERPC_64: [[LOOP2]] = distinct !{[[LOOP2]], [[META3:![0-9]+]]}
-// POWERPC_64: [[META3]] = !{!"llvm.loop.mustprogress"}
-//.
-// POWERPC_64LE: [[LOOP2]] = distinct !{[[LOOP2]], [[META3:![0-9]+]]}
-// POWERPC_64LE: [[META3]] = !{!"llvm.loop.mustprogress"}
-//.
-// POWERPC_32: [[LOOP2]] = distinct !{[[LOOP2]], [[META3:![0-9]+]]}
-// POWERPC_32: [[META3]] = !{!"llvm.loop.mustprogress"}
-//.
diff --git a/llvm/test/CodeGen/PowerPC/check-zero-vector.ll b/llvm/test/CodeGen/PowerPC/check-zero-vector.ll
index 59173e22edf26..23371535edadd 100644
--- a/llvm/test/CodeGen/PowerPC/check-zero-vector.ll
+++ b/llvm/test/CodeGen/PowerPC/check-zero-vector.ll
@@ -1,3 +1,4 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc -verify-machineinstrs -mcpu=pwr9 -mtriple=powerpc64le-unknown-linux-gnu \
; RUN: < %s | FileCheck %s --check-prefix=POWERPC_64LE
@@ -7,240 +8,87 @@
; RUN: llc -verify-machineinstrs -mcpu=pwr9 -mtriple=powerpc-ibm-aix \
; RUN: < %s | FileCheck %s --check-prefix=POWERPC_32
-define i32 @test_Greater_than(ptr %colauths, i32 signext %ncols) {
-; This testcase is manually reduced to isolate the critical code blocks.
-; It is designed to check for vector comparison specifically for zero vectors.
-; In the vector.body section, we are expecting a comparison instruction (vcmpequh),
-; merge instructions (vmrghh and vmrglh) which use exactly 2 vectors.
-; The output of the merge instruction is being used by xxland and finally
-; accumulated by vadduwm instruction.
-
+define dso_local signext range(i32 0, 5) i32 @test_Greater_than(ptr noundef readonly captures(none) %colauths) {
; POWERPC_64LE-LABEL: test_Greater_than:
-; POWERPC_64LE: .LBB0_6: # %vector.body
-; POWERPC_64LE-NEXT: #
-; POWERPC_64LE-NEXT: lxv [[R1:[0-9]+]], -64(4)
-; POWERPC_64LE-NEXT: vcmpequh [[R2:[0-9]+]], [[R2]], [[R3:[0-9]+]]
-; POWERPC_64LE-NEXT: xxlnor [[R1]], [[R1]], [[R1]]
-; POWERPC_64LE-NEXT: vmrghh [[R4:[0-9]+]], [[R2]], [[R2]]
-; POWERPC_64LE-NEXT: vmrglh [[R2]], [[R2]], [[R2]]
-; POWERPC_64LE-NEXT: xxland [[R5:[0-9]+]], [[R5]], [[R6:[0-9]+]]
-; POWERPC_64LE-NEXT: xxland [[R1]], [[R1]], [[R6]]
-; POWERPC_64LE-NEXT: vadduwm [[R7:[0-9]+]], [[R7]], [[R4]]
-; POWERPC_64LE: .LBB0_10: # %vec.epilog.vector.body
-; POWERPC_64LE-NEXT: #
-; POWERPC_64LE-NEXT: lxv [[R8:[0-9]+]], 0(4)
-; POWERPC_64LE-NEXT: addi 4, 4, 16
-; POWERPC_64LE-NEXT: vcmpequh [[R9:[0-9]+]], [[R9]], [[R10:[0-9]+]]
-; POWERPC_64LE-NEXT: xxlnor [[R8]], [[R8]], [[R8]]
-; POWERPC_64LE-NEXT: vmrglh [[R11:[0-9]+]], [[R9]], [[R9]]
-; POWERPC_64LE-NEXT: vmrghh [[R9]], [[R9]], [[R9]]
-; POWERPC_64LE-NEXT: xxland [[R12:[0-9]+]], [[R12]], [[R6]]
-; POWERPC_64LE-NEXT: xxland [[R8]], [[R8]], [[R6]]
-; POWERPC_64LE-NEXT: vadduwm [[R7]], [[R7]], [[R9]]
-; POWERPC_64LE-NEXT: vadduwm [[R3]], [[R3]], [[R11]]
-; POWERPC_64LE-NEXT: bdnz .LBB0_10
-; POWERPC_64LE: blr
+; POWERPC_64LE: # %bb.0: # %entry
+; POWERPC_64LE-NEXT: lfd 0, 0(3)
+; POWERPC_64LE-NEXT: xxlxor 35, 35, 35
+; POWERPC_64LE-NEXT: li 4, 0
+; POWERPC_64LE-NEXT: li 3, 4
+; POWERPC_64LE-NEXT: xxswapd 34, 0
+; POWERPC_64LE-NEXT: vcmpequh 2, 2, 3
+; POWERPC_64LE-NEXT: xxlnor 34, 34, 34
+; POWERPC_64LE-NEXT: vmrglh 3, 2, 2
+; POWERPC_64LE-NEXT: vextuwrx 4, 4, 2
+; POWERPC_64LE-NEXT: vextuwrx 3, 3, 3
+; POWERPC_64LE-NEXT: clrlwi 4, 4, 31
+; POWERPC_64LE-NEXT: rlwimi 4, 3, 1, 30, 30
+; POWERPC_64LE-NEXT: mfvsrwz 3, 35
+; POWERPC_64LE-NEXT: rlwimi 4, 3, 2, 29, 29
+; POWERPC_64LE-NEXT: li 3, 12
+; POWERPC_64LE-NEXT: vextuwrx 3, 3, 3
+; POWERPC_64LE-NEXT: rlwimi 4, 3, 3, 28, 28
+; POWERPC_64LE-NEXT: stb 4, -1(1)
+; POWERPC_64LE-NEXT: lbz 3, -1(1)
+; POWERPC_64LE-NEXT: popcntd 3, 3
+; POWERPC_64LE-NEXT: blr
;
; POWERPC_64-LABEL: test_Greater_than:
-; POWERPC_64: L..BB0_6: # %vector.body
-; POWERPC_64-NEXT: #
-; POWERPC_64-NEXT: lxv [[R1:[0-9]+]], -64(4)
-; POWERPC_64-NEXT: vcmpequh [[R2:[0-9]+]], [[R2]], [[R3:[0-9]+]]
-; POWERPC_64-NEXT: xxlnor [[R1]], [[R1]], [[R1]]
-; POWERPC_64-NEXT: vmrglh [[R4:[0-9]+]], [[R2]], [[R2]]
-; POWERPC_64-NEXT: vmrghh [[R2]], [[R2]], [[R2]]
-; POWERPC_64-NEXT: xxland [[R5:[0-9]+]], [[R5]], [[R6:[0-9]+]]
-; POWERPC_64-NEXT: xxland [[R1]], [[R1]], [[R6]]
-; POWERPC_64-NEXT: vadduwm [[R7:[0-9]+]], [[R7]], [[R4]]
-; POWERPC_64: L..BB0_10: # %vec.epilog.vector.body
-; POWERPC_64-NEXT: #
-; POWERPC_64-NEXT: lxv [[R8:[0-9]+]], 0(4)
-; POWERPC_64-NEXT: addi 4, 4, 16
-; POWERPC_64-NEXT: vcmpequh [[R9:[0-9]+]], [[R9]], [[R10:[0-9]+]]
-; POWERPC_64-NEXT: xxlnor [[R8]], [[R8]], [[R8]]
-; POWERPC_64-NEXT: vmrghh [[R11:[0-9]+]], [[R9]], [[R9]]
-; POWERPC_64-NEXT: vmrglh [[R9]], [[R9]], [[R9]]
-; POWERPC_64-NEXT: xxland [[R12:[0-9]+]], [[R12]], [[R6]]
-; POWERPC_64-NEXT: xxland [[R8]], [[R8]], [[R6]]
-; POWERPC_64-NEXT: vadduwm [[R7]], [[R7]], [[R9]]
-; POWERPC_64-NEXT: vadduwm [[R3]], [[R3]], [[R11]]
-; POWERPC_64-NEXT: bdnz L..BB0_10
-; POWERPC_64: blr
+; POWERPC_64: # %bb.0: # %entry
+; POWERPC_64-NEXT: lxsd 2, 0(3)
+; POWERPC_64-NEXT: xxlxor 35, 35, 35
+; POWERPC_64-NEXT: li 4, 12
+; POWERPC_64-NEXT: li 3, 8
+; POWERPC_64-NEXT: vcmpequh 2, 2, 3
+; POWERPC_64-NEXT: xxlnor 34, 34, 34
+; POWERPC_64-NEXT: vmrghh 2, 2, 2
+; POWERPC_64-NEXT: vextuwlx 4, 4, 2
+; POWERPC_64-NEXT: vextuwlx 3, 3, 2
+; POWERPC_64-NEXT: clrlwi 4, 4, 31
+; POWERPC_64-NEXT: rlwimi 4, 3, 1, 30, 30
+; POWERPC_64-NEXT: mfvsrwz 3, 34
+; POWERPC_64-NEXT: rlwimi 4, 3, 2, 29, 29
+; POWERPC_64-NEXT: li 3, 0
+; POWERPC_64-NEXT: vextuwlx 3, 3, 2
+; POWERPC_64-NEXT: rlwimi 4, 3, 3, 28, 28
+; POWERPC_64-NEXT: stb 4, -1(1)
+; POWERPC_64-NEXT: lbz 3, -1(1)
+; POWERPC_64-NEXT: popcntd 3, 3
+; POWERPC_64-NEXT: blr
;
; POWERPC_32-LABEL: test_Greater_than:
-; POWERPC_32: L..BB0_7: # %vector.body
-; POWERPC_32-NEXT: #
-; POWERPC_32-NEXT: lxv [[R1:[0-9]+]], 0(10)
-; POWERPC_32-NEXT: addic [[R13:[0-9]+]], [[R13]], 64
-; POWERPC_32-NEXT: addze [[R14:[0-9]+]], [[R14]]
-; POWERPC_32-NEXT: xor [[R15:[0-9]+]], [[R13]], [[R16:[0-9]+]]
-; POWERPC_32-NEXT: or. [[R15]], [[R15]], [[R14]]
-; POWERPC_32-NEXT: vcmpequh [[R2:[0-9]+]], [[R2]], [[R3:[0-9]+]]
-; POWERPC_32-NEXT: xxlnor [[R1]], [[R1]], [[R1]]
-; POWERPC_32-NEXT: vmrglh [[R4:[0-9]+]], [[R2]], [[R2]]
-; POWERPC_32-NEXT: vmrghh [[R2]], [[R2]], [[R2]]
-; POWERPC_32-NEXT: xxland [[R5:[0-9]+]], [[R5]], [[R6:[0-9]+]]
-; POWERPC_32-NEXT: xxland [[R1]], [[R1]], [[R6]]
-; POWERPC_32-NEXT: vadduwm [[R7:[0-9]+]], [[R7]], [[R4]]
-; POWERPC_32: L..BB0_11: # %vec.epilog.vector.body
-; POWERPC_32-NEXT: #
-; POWERPC_32-NEXT: slwi [[R14]], [[R13]], 1
-; POWERPC_32-NEXT: addic [[R13]], [[R13]], 8
-; POWERPC_32-NEXT: addze [[R17:[0-9]+]], [[R17]]
-; POWERPC_32-NEXT: lxvx [[R8:[0-9]+]], [[R18:[0-9]+]], [[R14]]
-; POWERPC_32-NEXT: xor [[R14]], [[R13]], [[R16]]
-; POWERPC_32-NEXT: or. [[R14]], [[R14]], [[R17]]
-; POWERPC_32-NEXT: vcmpequh [[R9:[0-9]+]], [[R9]], [[R3]]
-; POWERPC_32-NEXT: xxlnor [[R8]], [[R8]], [[R8]]
-; POWERPC_32-NEXT: vmrghh [[R11:[0-9]+]], [[R9]], [[R9]]
-; POWERPC_32-NEXT: vmrglh [[R9]], [[R9]], [[R9]]
-; POWERPC_32-NEXT: xxland [[R12:[0-9]+]], [[R12]], [[R6]]
-; POWERPC_32-NEXT: xxland [[R8]], [[R8]], [[R6]]
-; POWERPC_32-NEXT: vadduwm [[R7]], [[R7]], [[R9]]
-; POWERPC_32-NEXT: vadduwm [[R19:[0-9]+]], [[R19]], [[R11]]
-; POWERPC_32-NEXT: bne 0, L..BB0_11
-; POWERPC_32: blr
- entry:
- %cmp5 = icmp sgt i32 %ncols, 0
- br i1 %cmp5, label %iter.check, label %for.cond.cleanup
-
-iter.check: ; preds = %entry
- %wide.trip.count = zext nneg i32 %ncols to i64
- %min.iters.check = icmp ult i32 %ncols, 8
- br i1 %min.iters.check, label %for.body.preheader, label %vector.main.loop.iter.check
-
-for.body.preheader: ; preds = %vec.epilog.iter.check, %vec.epilog.middle.block, %iter.check
- %indvars.iv.ph = phi i64 [ 0, %iter.check ], [ %n.vec, %vec.epilog.iter.check ], [ %n.vec31, %vec.epilog.middle.block ]
- %num_cols_needed.06.ph = phi i32 [ 0, %iter.check ], [ %33, %vec.epilog.iter.check ], [ %40, %vec.epilog.middle.block ]
- br label %for.body
-
-vector.main.loop.iter.check: ; preds = %iter.check
- %min.iters.check9 = icmp ult i32 %ncols, 64
- br i1 %min.iters.check9, label %vec.epilog.ph, label %vector.ph
-
-vector.ph: ; preds = %vector.main.loop.iter.check
- %n.vec = and i64 %wide.trip.count, 2147483584
- br label %vector.body
-
-vector.body: ; preds = %vector.body, %vector.ph
- %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
- %vec.phi = phi <8 x i32> [ zeroinitializer, %vector.ph ], [ %24, %vector.body ]
- %vec.phi10 = phi <8 x i32> [ zeroinitializer, %vector.ph ], [ %25, %vector.body ]
- %vec.phi11 = phi <8 x i32> [ zeroinitializer, %vector.ph ], [ %26, %vector.body ]
- %vec.phi12 = phi <8 x i32> [ zeroinitializer, %vector.ph ], [ %27, %vector.body ]
- %vec.phi13 = phi <8 x i32> [ zeroinitializer, %vector.ph ], [ %28, %vector.body ]
- %vec.phi14 = phi <8 x i32> [ zeroinitializer, %vector.ph ], [ %29, %vector.body ]
- %vec.phi15 = phi <8 x i32> [ zeroinitializer, %vector.ph ], [ %30, %vector.body ]
- %vec.phi16 = phi <8 x i32> [ zeroinitializer, %vector.ph ], [ %31, %vector.body ]
- %0 = getelementptr inbounds nuw i16, ptr %colauths, i64 %index
- %1 = getelementptr inbounds nuw i8, ptr %0, i64 16
- %2 = getelementptr inbounds nuw i8, ptr %0, i64 32
- %3 = getelementptr inbounds nuw i8, ptr %0, i64 48
- %4 = getelementptr inbounds nuw i8, ptr %0, i64 64
- %5 = getelementptr inbounds nuw i8, ptr %0, i64 80
- %6 = getelementptr inbounds nuw i8, ptr %0, i64 96
- %7 = getelementptr inbounds nuw i8, ptr %0, i64 112
- %wide.load = load <8 x i16>, ptr %0, align 2, !tbaa !5
- %wide.load17 = load <8 x i16>, ptr %1, align 2, !tbaa !5
- %wide.load18 = load <8 x i16>, ptr %2, align 2, !tbaa !5
- %wide.load19 = load <8 x i16>, ptr %3, align 2, !tbaa !5
- %wide.load20 = load <8 x i16>, ptr %4, align 2, !tbaa !5
- %wide.load21 = load <8 x i16>, ptr %5, align 2, !tbaa !5
- %wide.load22 = load <8 x i16>, ptr %6, align 2, !tbaa !5
- %wide.load23 = load <8 x i16>, ptr %7, align 2, !tbaa !5
- %8 = icmp ne <8 x i16> %wide.load, zeroinitializer
- %9 = icmp ne <8 x i16> %wide.load17, zeroinitializer
- %10 = icmp ne <8 x i16> %wide.load18, zeroinitializer
- %11 = icmp ne <8 x i16> %wide.load19, zeroinitializer
- %12 = icmp ne <8 x i16> %wide.load20, zeroinitializer
- %13 = icmp ne <8 x i16> %wide.load21, zeroinitializer
- %14 = icmp ne <8 x i16> %wide.load22, zeroinitializer
- %15 = icmp ne <8 x i16> %wide.load23, zeroinitializer
- %16 = zext <8 x i1> %8 to <8 x i32>
- %17 = zext <8 x i1> %9 to <8 x i32>
- %18 = zext <8 x i1> %10 to <8 x i32>
- %19 = zext <8 x i1> %11 to <8 x i32>
- %20 = zext <8 x i1> %12 to <8 x i32>
- %21 = zext <8 x i1> %13 to <8 x i32>
- %22 = zext <8 x i1> %14 to <8 x i32>
- %23 = zext <8 x i1> %15 to <8 x i32>
- %24 = add <8 x i32> %vec.phi, %16
- %25 = add <8 x i32> %vec.phi10, %17
- %26 = add <8 x i32> %vec.phi11, %18
- %27 = add <8 x i32> %vec.phi12, %19
- %28 = add <8 x i32> %vec.phi13, %20
- %29 = add <8 x i32> %vec.phi14, %21
- %30 = add <8 x i32> %vec.phi15, %22
- %31 = add <8 x i32> %vec.phi16, %23
- %index.next = add nuw i64 %index, 64
- %32 = icmp eq i64 %index.next, %n.vec
- br i1 %32, label %middle.block, label %vector.body, !llvm.loop !9
-
-middle.block: ; preds = %vector.body
- %bin.rdx = add <8 x i32> %25, %24
- %bin.rdx24 = add <8 x i32> %26, %bin.rdx
- %bin.rdx25 = add <8 x i32> %27, %bin.rdx24
- %bin.rdx26 = add <8 x i32> %28, %bin.rdx25
- %bin.rdx27 = add <8 x i32> %29, %bin.rdx26
- %bin.rdx28 = add <8 x i32> %30, %bin.rdx27
- %bin.rdx29 = add <8 x i32> %31, %bin.rdx28
- %33 = tail call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> %bin.rdx29)
- %cmp.n = icmp eq i64 %n.vec, %wide.trip.count
- br i1 %cmp.n, label %for.cond.cleanup, label %vec.epilog.iter.check
-
-vec.epilog.iter.check: ; preds = %middle.block
- %n.vec.remaining = and i64 %wide.trip.count, 56
- %min...
[truncated]
``````````
</details>
https://github.com/llvm/llvm-project/pull/151971
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