Imported Upstream version 5.18.0.207

Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449

external/llvm/test/CodeGen/Hexagon/remove_lsr.ll

@@ -1,76 +0,0 @@
-; Test fix for PR-13709.
-; RUN: llc -march=hexagon -mcpu=hexagonv4 < %s | FileCheck %s
-; CHECK: foo
-; CHECK-NOT: lsr(r{{[0-9]+}}:{{[0-9]+}}, #32)
-; CHECK-NOT: lsr(r{{[0-9]+}}:{{[0-9]+}}, #32)
-
-; Convert the sequence
-; r17:16 = lsr(r11:10, #32)
-; .. = r16
-; into
-; r17:16 = lsr(r11:10, #32)
-; .. = r11
-; This makes the lsr instruction dead and it gets removed subsequently
-; by a dead code removal pass.
-
-%union.vect64 = type { i64 }
-%union.vect32 = type { i32 }
-
-define void @foo(%union.vect64* nocapture %sss_extracted_bit_rx_data_ptr,
- %union.vect32* nocapture %s_even, %union.vect32* nocapture %s_odd,
- i8* nocapture %scr_s_even_code_ptr, i8* nocapture %scr_s_odd_code_ptr)
- nounwind {
-entry:
-  %scevgep = getelementptr %union.vect64, %union.vect64* %sss_extracted_bit_rx_data_ptr, i32 1
-  %scevgep28 = getelementptr %union.vect32, %union.vect32* %s_odd, i32 1
-  %scevgep32 = getelementptr %union.vect32, %union.vect32* %s_even, i32 1
-  %scevgep36 = getelementptr i8, i8* %scr_s_odd_code_ptr, i32 1
-  %scevgep39 = getelementptr i8, i8* %scr_s_even_code_ptr, i32 1
-  br label %for.body
-
-for.body:                                         ; preds = %for.body, %entry
-  %lsr.iv42 = phi i32 [ %lsr.iv.next, %for.body ], [ 2, %entry ]
-  %lsr.iv40 = phi i8* [ %scevgep41, %for.body ], [ %scevgep39, %entry ]
-  %lsr.iv37 = phi i8* [ %scevgep38, %for.body ], [ %scevgep36, %entry ]
-  %lsr.iv33 = phi %union.vect32* [ %scevgep34, %for.body ], [ %scevgep32, %entry ]
-  %lsr.iv29 = phi %union.vect32* [ %scevgep30, %for.body ], [ %scevgep28, %entry ]
-  %lsr.iv = phi %union.vect64* [ %scevgep26, %for.body ], [ %scevgep, %entry ]
-  %predicate_1.023 = phi i8 [ undef, %entry ], [ %10, %for.body ]
-  %predicate.022 = phi i8 [ undef, %entry ], [ %9, %for.body ]
-  %val.021 = phi i64 [ undef, %entry ], [ %srcval, %for.body ]
-  %lsr.iv3335 = bitcast %union.vect32* %lsr.iv33 to i32*
-  %lsr.iv2931 = bitcast %union.vect32* %lsr.iv29 to i32*
-  %lsr.iv27 = bitcast %union.vect64* %lsr.iv to i64*
-  %0 = tail call i64 @llvm.hexagon.A2.vsubhs(i64 0, i64 %val.021)
-  %conv3 = sext i8 %predicate.022 to i32
-  %1 = trunc i64 %val.021 to i32
-  %2 = trunc i64 %0 to i32
-  %3 = tail call i32 @llvm.hexagon.C2.mux(i32 %conv3, i32 %1, i32 %2)
-  store i32 %3, i32* %lsr.iv3335, align 4
-  %conv8 = sext i8 %predicate_1.023 to i32
-  %4 = lshr i64 %val.021, 32
-  %5 = trunc i64 %4 to i32
-  %6 = lshr i64 %0, 32
-  %7 = trunc i64 %6 to i32
-  %8 = tail call i32 @llvm.hexagon.C2.mux(i32 %conv8, i32 %5, i32 %7)
-  store i32 %8, i32* %lsr.iv2931, align 4
-  %srcval = load i64, i64* %lsr.iv27, align 8
-  %9 = load i8, i8* %lsr.iv40, align 1
-  %10 = load i8, i8* %lsr.iv37, align 1
-  %lftr.wideiv = trunc i32 %lsr.iv42 to i8
-  %exitcond = icmp eq i8 %lftr.wideiv, 32
-  %scevgep26 = getelementptr %union.vect64, %union.vect64* %lsr.iv, i32 1
-  %scevgep30 = getelementptr %union.vect32, %union.vect32* %lsr.iv29, i32 1
-  %scevgep34 = getelementptr %union.vect32, %union.vect32* %lsr.iv33, i32 1
-  %scevgep38 = getelementptr i8, i8* %lsr.iv37, i32 1
-  %scevgep41 = getelementptr i8, i8* %lsr.iv40, i32 1
-  %lsr.iv.next = add i32 %lsr.iv42, 1
-  br i1 %exitcond, label %for.end, label %for.body
-
-for.end:                                          ; preds = %for.body
-  ret void
-}
-
-declare i64 @llvm.hexagon.A2.vsubhs(i64, i64) nounwind readnone
-
-declare i32 @llvm.hexagon.C2.mux(i32, i32, i32) nounwind readnone