Files
clang-p2996/llvm/test/Transforms/InstCombine/scalable-vector-array.ll
Paul Walker e478a22d54 [LLVM][IRBuilder] Use NUW arithmetic for Create{ElementCount,TypeSize}. (#143532)
This put the onus on the caller to ensure the result type is big enough.
In the unlikely event a cropped result is required then explicitly
truncate a safe value.
2025-06-19 13:24:39 +01:00

33 lines
1.5 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
; RUN: opt -passes=instcombine -S < %s | FileCheck %s
define <vscale x 4 x i32> @load(ptr %x) {
; CHECK-LABEL: define <vscale x 4 x i32> @load
; CHECK-SAME: (ptr [[X:%.*]]) {
; CHECK-NEXT: [[TMP1:%.*]] = call i64 @llvm.vscale.i64()
; CHECK-NEXT: [[TMP2:%.*]] = shl nuw i64 [[TMP1]], 4
; CHECK-NEXT: [[A_ELT1:%.*]] = getelementptr inbounds i8, ptr [[X]], i64 [[TMP2]]
; CHECK-NEXT: [[A_UNPACK2:%.*]] = load <vscale x 4 x i32>, ptr [[A_ELT1]], align 16
; CHECK-NEXT: ret <vscale x 4 x i32> [[A_UNPACK2]]
;
%a = load [2 x <vscale x 4 x i32>], ptr %x
%b = extractvalue [2 x <vscale x 4 x i32>] %a, 1
ret <vscale x 4 x i32> %b
}
define void @store(ptr %x, <vscale x 4 x i32> %y, <vscale x 4 x i32> %z) {
; CHECK-LABEL: define void @store
; CHECK-SAME: (ptr [[X:%.*]], <vscale x 4 x i32> [[Y:%.*]], <vscale x 4 x i32> [[Z:%.*]]) {
; CHECK-NEXT: store <vscale x 4 x i32> [[Y]], ptr [[X]], align 16
; CHECK-NEXT: [[TMP1:%.*]] = call i64 @llvm.vscale.i64()
; CHECK-NEXT: [[TMP2:%.*]] = shl nuw i64 [[TMP1]], 4
; CHECK-NEXT: [[X_REPACK1:%.*]] = getelementptr inbounds i8, ptr [[X]], i64 [[TMP2]]
; CHECK-NEXT: store <vscale x 4 x i32> [[Z]], ptr [[X_REPACK1]], align 16
; CHECK-NEXT: ret void
;
%a = insertvalue [2 x <vscale x 4 x i32>] poison, <vscale x 4 x i32> %y, 0
%b = insertvalue [2 x <vscale x 4 x i32>] %a, <vscale x 4 x i32> %z, 1
store [2 x <vscale x 4 x i32>] %b, ptr %x
ret void
}