| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -passes=instcombine -S -disable-i2p-p2i-opt < %s | FileCheck %s |
| |
| target datalayout = "e-p:64:64-p1:16:16-p2:32:32:32-p3:64:64:64" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| ; convert ptrtoint [ phi[ inttoptr (ptrtoint (x) ) ] ---> ptrtoint (phi[x]) |
| |
| define i64 @func(i32** %X, i32** %Y, i1 %cond) { |
| ; CHECK-LABEL: @func( |
| ; CHECK-NEXT: br i1 [[COND:%.*]], label [[BB1:%.*]], label [[BB2:%.*]] |
| ; CHECK: bb1: |
| ; CHECK-NEXT: br label [[EXIT:%.*]] |
| ; CHECK: bb2: |
| ; CHECK-NEXT: br label [[EXIT]] |
| ; CHECK: exit: |
| ; CHECK-NEXT: [[PHI_IN_IN:%.*]] = phi i32** [ [[X:%.*]], [[BB1]] ], [ [[Y:%.*]], [[BB2]] ] |
| ; CHECK-NEXT: [[PHI_IN:%.*]] = ptrtoint i32** [[PHI_IN_IN]] to i64 |
| ; CHECK-NEXT: ret i64 [[PHI_IN]] |
| ; |
| br i1 %cond, label %bb1, label %bb2 |
| |
| bb1: |
| %X.i = ptrtoint i32** %X to i64 |
| %X.p = inttoptr i64 %X.i to i32* |
| br label %exit |
| |
| bb2: |
| %Y.i = ptrtoint i32** %Y to i64 |
| %Y.p = inttoptr i64 %Y.i to i32* |
| br label %exit |
| |
| exit: |
| %phi = phi i32* [%X.p, %bb1], [%Y.p, %bb2] |
| %X.p.i = ptrtoint i32* %phi to i64 |
| ret i64 %X.p.i |
| } |
| |
| define i64 @func_single_operand(i32** %X, i32** %Y, i1 %cond) { |
| ; CHECK-LABEL: @func_single_operand( |
| ; CHECK-NEXT: br i1 [[COND:%.*]], label [[BB1:%.*]], label [[EXIT:%.*]] |
| ; CHECK: bb1: |
| ; CHECK-NEXT: br label [[EXIT]] |
| ; CHECK: exit: |
| ; CHECK-NEXT: [[PHI_IN:%.*]] = phi i32** [ [[X:%.*]], [[BB1]] ], [ [[Y:%.*]], [[TMP0:%.*]] ] |
| ; CHECK-NEXT: [[X_P_I:%.*]] = ptrtoint i32** [[PHI_IN]] to i64 |
| ; CHECK-NEXT: ret i64 [[X_P_I]] |
| ; |
| %Y.p = bitcast i32** %Y to i32* |
| br i1 %cond, label %bb1, label %exit |
| |
| bb1: |
| %X.i = ptrtoint i32** %X to i64 |
| %X.p = inttoptr i64 %X.i to i32* |
| br label %exit |
| |
| exit: |
| %phi = phi i32* [%X.p, %bb1], [%Y.p, %0] |
| %X.p.i = ptrtoint i32* %phi to i64 |
| ret i64 %X.p.i |
| } |
| |
| define i64 @func_pointer_different_types(i16** %X, i32** %Y, i1 %cond) { |
| ; CHECK-LABEL: @func_pointer_different_types( |
| ; CHECK-NEXT: [[Y_P:%.*]] = bitcast i32** [[Y:%.*]] to i32* |
| ; CHECK-NEXT: br i1 [[COND:%.*]], label [[BB1:%.*]], label [[EXIT:%.*]] |
| ; CHECK: bb1: |
| ; CHECK-NEXT: [[TMP1:%.*]] = bitcast i16** [[X:%.*]] to i32* |
| ; CHECK-NEXT: br label [[EXIT]] |
| ; CHECK: exit: |
| ; CHECK-NEXT: [[PHI:%.*]] = phi i32* [ [[TMP1]], [[BB1]] ], [ [[Y_P]], [[TMP0:%.*]] ] |
| ; CHECK-NEXT: [[X_P_I:%.*]] = ptrtoint i32* [[PHI]] to i64 |
| ; CHECK-NEXT: ret i64 [[X_P_I]] |
| ; |
| %Y.p = bitcast i32** %Y to i32* |
| br i1 %cond, label %bb1, label %exit |
| |
| bb1: |
| %X.i = ptrtoint i16** %X to i64 |
| %X.p = inttoptr i64 %X.i to i32* |
| br label %exit |
| |
| exit: |
| %phi = phi i32* [%X.p, %bb1], [%Y.p, %0] |
| %X.p.i = ptrtoint i32* %phi to i64 |
| ret i64 %X.p.i |
| } |
| |
| ; Negative test - Wrong Integer type |
| |
| define i64 @func_integer_type_too_small(i32** %X, i32** %Y, i1 %cond) { |
| ; CHECK-LABEL: @func_integer_type_too_small( |
| ; CHECK-NEXT: [[Y_P:%.*]] = bitcast i32** [[Y:%.*]] to i32* |
| ; CHECK-NEXT: br i1 [[COND:%.*]], label [[BB1:%.*]], label [[EXIT:%.*]] |
| ; CHECK: bb1: |
| ; CHECK-NEXT: [[TMP1:%.*]] = ptrtoint i32** [[X:%.*]] to i64 |
| ; CHECK-NEXT: [[TMP2:%.*]] = and i64 [[TMP1]], 4294967295 |
| ; CHECK-NEXT: [[X_P:%.*]] = inttoptr i64 [[TMP2]] to i32* |
| ; CHECK-NEXT: br label [[EXIT]] |
| ; CHECK: exit: |
| ; CHECK-NEXT: [[PHI:%.*]] = phi i32* [ [[X_P]], [[BB1]] ], [ [[Y_P]], [[TMP0:%.*]] ] |
| ; CHECK-NEXT: [[X_P_I:%.*]] = ptrtoint i32* [[PHI]] to i64 |
| ; CHECK-NEXT: ret i64 [[X_P_I]] |
| ; |
| %Y.p = bitcast i32** %Y to i32* |
| br i1 %cond, label %bb1, label %exit |
| |
| bb1: |
| %X.i = ptrtoint i32** %X to i32 |
| %X.p = inttoptr i32 %X.i to i32* |
| br label %exit |
| |
| exit: |
| %phi = phi i32* [%X.p, %bb1], [%Y.p, %0] |
| %X.p.i = ptrtoint i32* %phi to i64 |
| ret i64 %X.p.i |
| } |
| |
| ; Negative test - phi not used in ptrtoint |
| |
| define i32* @func_phi_not_use_in_ptr2int(i32** %X, i32** %Y, i1 %cond) { |
| ; CHECK-LABEL: @func_phi_not_use_in_ptr2int( |
| ; CHECK-NEXT: [[Y_P:%.*]] = bitcast i32** [[Y:%.*]] to i32* |
| ; CHECK-NEXT: br i1 [[COND:%.*]], label [[BB1:%.*]], label [[EXIT:%.*]] |
| ; CHECK: bb1: |
| ; CHECK-NEXT: [[TMP1:%.*]] = ptrtoint i32** [[X:%.*]] to i64 |
| ; CHECK-NEXT: [[TMP2:%.*]] = and i64 [[TMP1]], 4294967295 |
| ; CHECK-NEXT: [[X_P:%.*]] = inttoptr i64 [[TMP2]] to i32* |
| ; CHECK-NEXT: br label [[EXIT]] |
| ; CHECK: exit: |
| ; CHECK-NEXT: [[PHI:%.*]] = phi i32* [ [[X_P]], [[BB1]] ], [ [[Y_P]], [[TMP0:%.*]] ] |
| ; CHECK-NEXT: ret i32* [[PHI]] |
| ; |
| %Y.p = bitcast i32** %Y to i32* |
| br i1 %cond, label %bb1, label %exit |
| |
| bb1: |
| %X.i = ptrtoint i32** %X to i32 |
| %X.p = inttoptr i32 %X.i to i32* |
| br label %exit |
| |
| exit: |
| %phi = phi i32* [%X.p, %bb1], [%Y.p, %0] |
| ret i32* %phi |
| } |
| |
| ; Negative test - Pointers in different address spaces |
| |
| define i64 @func_ptr_different_addrspace(i16 addrspace(2)* %X, i32** %Y, i1 %cond) { |
| ; CHECK-LABEL: @func_ptr_different_addrspace( |
| ; CHECK-NEXT: [[Y_P:%.*]] = bitcast i32** [[Y:%.*]] to i32* |
| ; CHECK-NEXT: br i1 [[COND:%.*]], label [[BB1:%.*]], label [[EXIT:%.*]] |
| ; CHECK: bb1: |
| ; CHECK-NEXT: [[TMP1:%.*]] = ptrtoint i16 addrspace(2)* [[X:%.*]] to i32 |
| ; CHECK-NEXT: [[X_I:%.*]] = zext i32 [[TMP1]] to i64 |
| ; CHECK-NEXT: [[X_P:%.*]] = inttoptr i64 [[X_I]] to i32* |
| ; CHECK-NEXT: br label [[EXIT]] |
| ; CHECK: exit: |
| ; CHECK-NEXT: [[PHI:%.*]] = phi i32* [ [[X_P]], [[BB1]] ], [ [[Y_P]], [[TMP0:%.*]] ] |
| ; CHECK-NEXT: [[X_P_I:%.*]] = ptrtoint i32* [[PHI]] to i64 |
| ; CHECK-NEXT: ret i64 [[X_P_I]] |
| ; |
| %Y.p = bitcast i32** %Y to i32* |
| br i1 %cond, label %bb1, label %exit |
| |
| bb1: |
| %X.i = ptrtoint i16 addrspace(2)* %X to i64 |
| %X.p = inttoptr i64 %X.i to i32* |
| br label %exit |
| |
| exit: |
| %phi = phi i32* [%X.p, %bb1], [%Y.p, %0] |
| %X.p.i = ptrtoint i32* %phi to i64 |
| ret i64 %X.p.i |
| } |