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