23 lines
935 B
LLVM
23 lines
935 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -passes=instcombine %s | FileCheck %s
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define void @alloc_elides_test(i32 %data) {
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; CHECK-LABEL: @alloc_elides_test(
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; CHECK-NEXT: start:
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; CHECK-NEXT: ret void
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;
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start:
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%alloc = call ptr @__rust_alloc(i64 4, i64 32)
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store i32 0, ptr %alloc
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%alloc2 = call ptr @__rust_realloc(ptr %alloc, i64 4, i64 32, i64 8)
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store i32 1, ptr %alloc2
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call void @__rust_dealloc(ptr %alloc2, i64 4, i64 32)
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ret void
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}
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declare noalias ptr @__rust_alloc(i64, i64 allocalign) nounwind allocsize(0) allockind("alloc,uninitialized,aligned") "alloc-family"="__rust_alloc"
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declare noalias ptr @__rust_realloc(ptr allocptr, i64, i64 allocalign, i64) nounwind allocsize(3) allockind("alloc,uninitialized,aligned") "alloc-family"="__rust_alloc"
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declare void @__rust_dealloc(ptr allocptr, i64, i64) nounwind allockind("free") "alloc-family"="__rust_alloc"
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