1 ; RUN: opt -sroa -S < %s | FileCheck %s 2 3 ; This test checks that SROA does not introduce ptrtoint and inttoptr 4 ; casts from and to non-integral pointers. The "ni:4" bit in the 5 ; datalayout states that pointers of address space 4 are to be 6 ; considered "non-integral". 7 8 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128-ni:4" 9 target triple = "x86_64-unknown-linux-gnu" 10 11 define void @f0(i1 %alwaysFalse, i64 %val) { 12 ; CHECK-LABEL: @f0( 13 ; CHECK-NOT: inttoptr 14 ; CHECK-NOT: ptrtoint 15 entry: 16 %loc = alloca i64 17 store i64 %val, i64* %loc 18 br i1 %alwaysFalse, label %neverTaken, label %alwaysTaken 19 20 neverTaken: 21 %loc.bc = bitcast i64* %loc to i8 addrspace(4)** 22 %ptr = load i8 addrspace(4)*, i8 addrspace(4)** %loc.bc 23 store i8 5, i8 addrspace(4)* %ptr 24 ret void 25 26 alwaysTaken: 27 ret void 28 } 29 30 define i64 @f1(i1 %alwaysFalse, i8 addrspace(4)* %val) { 31 ; CHECK-LABEL: @f1( 32 ; CHECK-NOT: inttoptr 33 ; CHECK-NOT: ptrtoint 34 entry: 35 %loc = alloca i8 addrspace(4)* 36 store i8 addrspace(4)* %val, i8 addrspace(4)** %loc 37 br i1 %alwaysFalse, label %neverTaken, label %alwaysTaken 38 39 neverTaken: 40 %loc.bc = bitcast i8 addrspace(4)** %loc to i64* 41 %int = load i64, i64* %loc.bc 42 ret i64 %int 43 44 alwaysTaken: 45 ret i64 42 46 } 47
