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Imported Upstream version 5.18.0.207

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Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449
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Xamarin Public Jenkins (auto-signing)
2018-11-17 08:23:10 +00:00
parent 8e12397d70
commit eb85e2fc17
28480 changed files with 72 additions and 3866936 deletions
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80
external/llvm/test/Transforms/InstSimplify/gep.ll vendored
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@ -1,80 +0,0 @@
; RUN: opt -S -instsimplify < %s | FileCheck %s
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
%struct.A = type { [7 x i8] }
define %struct.A* @test1(%struct.A* %b, %struct.A* %e) {
%e_ptr = ptrtoint %struct.A* %e to i64
%b_ptr = ptrtoint %struct.A* %b to i64
%sub = sub i64 %e_ptr, %b_ptr
%sdiv = sdiv exact i64 %sub, 7
%gep = getelementptr inbounds %struct.A, %struct.A* %b, i64 %sdiv
ret %struct.A* %gep
; CHECK-LABEL: @test1
; CHECK-NEXT: ret %struct.A* %e
}
define i8* @test2(i8* %b, i8* %e) {
%e_ptr = ptrtoint i8* %e to i64
%b_ptr = ptrtoint i8* %b to i64
%sub = sub i64 %e_ptr, %b_ptr
%gep = getelementptr inbounds i8, i8* %b, i64 %sub
ret i8* %gep
; CHECK-LABEL: @test2
; CHECK-NEXT: ret i8* %e
}
define i64* @test3(i64* %b, i64* %e) {
%e_ptr = ptrtoint i64* %e to i64
%b_ptr = ptrtoint i64* %b to i64
%sub = sub i64 %e_ptr, %b_ptr
%ashr = ashr exact i64 %sub, 3
%gep = getelementptr inbounds i64, i64* %b, i64 %ashr
ret i64* %gep
; CHECK-LABEL: @test3
; CHECK-NEXT: ret i64* %e
}
define %struct.A* @test4(%struct.A* %b) {
%b_ptr = ptrtoint %struct.A* %b to i64
%sub = sub i64 0, %b_ptr
%sdiv = sdiv exact i64 %sub, 7
%gep = getelementptr inbounds %struct.A, %struct.A* %b, i64 %sdiv
ret %struct.A* %gep
; CHECK-LABEL: @test4
; CHECK-NEXT: ret %struct.A* null
}
define i8* @test5(i8* %b) {
%b_ptr = ptrtoint i8* %b to i64
%sub = sub i64 0, %b_ptr
%gep = getelementptr inbounds i8, i8* %b, i64 %sub
ret i8* %gep
; CHECK-LABEL: @test5
; CHECK-NEXT: ret i8* null
}
define i64* @test6(i64* %b) {
%b_ptr = ptrtoint i64* %b to i64
%sub = sub i64 0, %b_ptr
%ashr = ashr exact i64 %sub, 3
%gep = getelementptr inbounds i64, i64* %b, i64 %ashr
ret i64* %gep
; CHECK-LABEL: @test6
; CHECK-NEXT: ret i64* null
}
define i8* @test7(i8* %b, i8** %e) {
%e_ptr = ptrtoint i8** %e to i64
%b_ptr = ptrtoint i8* %b to i64
%sub = sub i64 %e_ptr, %b_ptr
%gep = getelementptr inbounds i8, i8* %b, i64 %sub
ret i8* %gep
; CHECK-LABEL: @test7
; CHECK-NEXT: ptrtoint
; CHECK-NEXT: ptrtoint
; CHECK-NEXT: sub
; CHECK-NEXT: getelementptr
; CHECK-NEXT: ret
}