101 lines
3.8 KiB
LLVM
101 lines
3.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -passes=loop-idiom < %s | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128-ni:4"
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target triple = "x86_64-unknown-linux-gnu"
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; LIR'ing stores of pointers with address space 3 is fine, since
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; they're integral pointers.
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define void @f_0(ptr %ptr) {
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; CHECK-LABEL: @f_0(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 4 [[PTR:%.*]], i8 0, i64 80000, i1 false)
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; CHECK-NEXT: br label [[FOR_BODY:%.*]]
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; CHECK: for.body:
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; CHECK-NEXT: [[INDVAR:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVAR_NEXT:%.*]], [[FOR_BODY]] ]
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; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr ptr addrspace(3), ptr [[PTR]], i64 [[INDVAR]]
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; CHECK-NEXT: [[INDVAR_NEXT]] = add i64 [[INDVAR]], 1
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; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVAR_NEXT]], 10000
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; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]]
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; CHECK: for.end:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %for.body
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for.body:
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%indvar = phi i64 [ 0, %entry ], [ %indvar.next, %for.body ]
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%arrayidx = getelementptr ptr addrspace(3), ptr %ptr, i64 %indvar
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store ptr addrspace(3) null, ptr %arrayidx, align 4
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%indvar.next = add i64 %indvar, 1
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%exitcond = icmp eq i64 %indvar.next, 10000
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br i1 %exitcond, label %for.end, label %for.body
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for.end:
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ret void
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}
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; LIR'ing stores of pointers with address space 4 is not ok, since
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; they're non-integral pointers. NOTE: Zero is special value which
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; can be converted, if we add said handling here, convert this test
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; to use any non-null pointer.
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define void @f_1(ptr %ptr) {
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; CHECK-LABEL: @f_1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[FOR_BODY:%.*]]
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; CHECK: for.body:
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; CHECK-NEXT: [[INDVAR:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVAR_NEXT:%.*]], [[FOR_BODY]] ]
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; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr ptr addrspace(4), ptr [[PTR:%.*]], i64 [[INDVAR]]
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; CHECK-NEXT: store ptr addrspace(4) null, ptr [[ARRAYIDX]], align 4
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; CHECK-NEXT: [[INDVAR_NEXT]] = add i64 [[INDVAR]], 1
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; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVAR_NEXT]], 10000
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; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]]
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; CHECK: for.end:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %for.body
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for.body:
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%indvar = phi i64 [ 0, %entry ], [ %indvar.next, %for.body ]
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%arrayidx = getelementptr ptr addrspace(4), ptr %ptr, i64 %indvar
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store ptr addrspace(4) null, ptr %arrayidx, align 4
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%indvar.next = add i64 %indvar, 1
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%exitcond = icmp eq i64 %indvar.next, 10000
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br i1 %exitcond, label %for.end, label %for.body
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for.end:
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ret void
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}
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; Same as previous case, but vector of non-integral pointers
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define void @f_2(ptr %ptr) {
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; CHECK-LABEL: @f_2(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[FOR_BODY:%.*]]
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; CHECK: for.body:
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; CHECK-NEXT: [[INDVAR:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVAR_NEXT:%.*]], [[FOR_BODY]] ]
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; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr ptr addrspace(4), ptr [[PTR:%.*]], i64 [[INDVAR]]
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; CHECK-NEXT: store <2 x ptr addrspace(4)> zeroinitializer, ptr [[ARRAYIDX]], align 8
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; CHECK-NEXT: [[INDVAR_NEXT]] = add i64 [[INDVAR]], 2
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; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVAR_NEXT]], 10000
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; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]]
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; CHECK: for.end:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %for.body
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for.body:
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%indvar = phi i64 [ 0, %entry ], [ %indvar.next, %for.body ]
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%arrayidx = getelementptr ptr addrspace(4), ptr %ptr, i64 %indvar
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store <2 x ptr addrspace(4)> zeroinitializer, ptr %arrayidx, align 8
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%indvar.next = add i64 %indvar, 2
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%exitcond = icmp eq i64 %indvar.next, 10000
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br i1 %exitcond, label %for.end, label %for.body
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for.end:
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ret void
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}
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