02b38ba8aa
The div/rem constant expressions are going away in D129148. Convert some tests to use InstSimplify instead, to show that the constant folding still happens.
66 lines
3.5 KiB
LLVM
66 lines
3.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals
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; This test checks to make sure that constant exprs fold in some simple
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; situations
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; RUN: opt -S < %s | FileCheck %s
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; RUN: llvm-as < %s | llvm-dis | FileCheck %s
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; RUN: verify-uselistorder %s
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@A = global i64 0
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@add = global i64* inttoptr (i64 add (i64 ptrtoint (i64* @A to i64), i64 0) to i64*) ; X + 0 == X
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@sub = global i64* inttoptr (i64 sub (i64 ptrtoint (i64* @A to i64), i64 0) to i64*) ; X - 0 == X
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@mul = global i64* inttoptr (i64 mul (i64 ptrtoint (i64* @A to i64), i64 0) to i64*) ; X * 0 == 0
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@and1 = global i64* inttoptr (i64 and (i64 ptrtoint (i64* @A to i64), i64 0) to i64*) ; X & 0 == 0
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@and2 = global i64* inttoptr (i64 and (i64 ptrtoint (i64* @A to i64), i64 -1) to i64*) ; X & -1 == X
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@or = global i64 or (i64 ptrtoint (i64* @A to i64), i64 -1) ; X | -1 == -1
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@xor = global i64* inttoptr (i64 xor (i64 ptrtoint (i64* @A to i64), i64 0) to i64*) ; X ^ 0 == X
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%Ty = type { i32, i32 }
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@B = external global %Ty
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; @icmp_ult1 and @icmp_ult2 will be folded by the target-dependent constant folder instead.
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@icmp_ult1 = global i1 icmp ult (i64* @A, i64* getelementptr (i64, i64* @A, i64 1)) ; true
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@icmp_slt = global i1 icmp slt (i64* @A, i64* getelementptr (i64, i64* @A, i64 0)) ; false
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@icmp_ult2 = global i1 icmp ult (i32* getelementptr (%Ty, %Ty* @B, i64 0, i32 0),
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i32* getelementptr (%Ty, %Ty* @B, i64 0, i32 1)) ; true
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;global i1 icmp ne (i64* @A, i64* bitcast (%Ty* @B to i64*)) ; true
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; PR2206
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@cons = weak global i32 0, align 8 ; <i32*> [#uses=1]
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@and3 = global i64 and (i64 ptrtoint (i32* @cons to i64), i64 7)
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@gep1 = global <2 x i8*> getelementptr(i8, <2 x i8*> undef, <2 x i64> <i64 1, i64 1>)
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@gep2 = global <2 x i8*> getelementptr({ i8 }, <2 x { i8 }*> undef, <2 x i64> <i64 1, i64 1>, <2 x i32> <i32 0, i32 0>)
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@gep3 = global <2 x i8*> getelementptr(i8, <2 x i8*> zeroinitializer, <2 x i64> <i64 0, i64 0>)
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@gep4 = global <2 x i8*> getelementptr({ i8 }, <2 x { i8 }*> zeroinitializer, <2 x i64> <i64 0, i64 0>, <2 x i32> <i32 0, i32 0>)
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; Need a function to make update_test_checks.py work.
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;.
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; CHECK: @[[A:[a-zA-Z0-9_$"\\.-]+]] = global i64 0
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; CHECK: @[[ADD:[a-zA-Z0-9_$"\\.-]+]] = global i64* @A
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; CHECK: @[[SUB:[a-zA-Z0-9_$"\\.-]+]] = global i64* @A
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; CHECK: @[[MUL:[a-zA-Z0-9_$"\\.-]+]] = global i64* null
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; CHECK: @[[AND1:[a-zA-Z0-9_$"\\.-]+]] = global i64* null
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; CHECK: @[[AND2:[a-zA-Z0-9_$"\\.-]+]] = global i64* @A
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; CHECK: @[[OR:[a-zA-Z0-9_$"\\.-]+]] = global i64 -1
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; CHECK: @[[XOR:[a-zA-Z0-9_$"\\.-]+]] = global i64* @A
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; CHECK: @[[B:[a-zA-Z0-9_$"\\.-]+]] = external global [[TY:%.*]]
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; CHECK: @[[ICMP_ULT1:[a-zA-Z0-9_$"\\.-]+]] = global i1 icmp ugt (i64* getelementptr inbounds (i64, i64* @A, i64 1), i64* @A)
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; CHECK: @[[ICMP_SLT:[a-zA-Z0-9_$"\\.-]+]] = global i1 false
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; CHECK: @[[ICMP_ULT2:[a-zA-Z0-9_$"\\.-]+]] = global i1 icmp ult (i32* getelementptr inbounds ([[TY:%.*]], %Ty* @B, i64 0, i32 0), i32* getelementptr inbounds ([[TY]], %Ty* @B, i64 0, i32 1))
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; CHECK: @[[CONS:[a-zA-Z0-9_$"\\.-]+]] = weak global i32 0, align 8
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; CHECK: @[[AND3:[a-zA-Z0-9_$"\\.-]+]] = global i64 0
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; CHECK: @[[GEP1:[a-zA-Z0-9_$"\\.-]+]] = global <2 x i8*> undef
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; CHECK: @[[GEP2:[a-zA-Z0-9_$"\\.-]+]] = global <2 x i8*> undef
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; CHECK: @[[GEP3:[a-zA-Z0-9_$"\\.-]+]] = global <2 x i8*> zeroinitializer
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; CHECK: @[[GEP4:[a-zA-Z0-9_$"\\.-]+]] = global <2 x i8*> zeroinitializer
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;.
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define void @dummy() {
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; CHECK-LABEL: @dummy(
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; CHECK-NEXT: ret void
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;
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ret void
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}
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