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