| ; RUN: opt -S -loop-reduce < %s | FileCheck %s |
| |
| ; LSR shouldn't consider %t8 to be an interesting user of %t6, and it |
| ; should be able to form pretty GEPs. |
| |
| target datalayout = "e-p:64:64:64-p1:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" |
| |
| ; Copy of uglygep with a different address space |
| ; This tests expandAddToGEP uses the right smaller integer type for |
| ; another address space |
| define void @Z4() nounwind { |
| ; CHECK-LABEL: @Z4( |
| bb: |
| br label %bb3 |
| |
| bb1: ; preds = %bb3 |
| br i1 undef, label %bb10, label %bb2 |
| |
| bb2: ; preds = %bb1 |
| %t = add i16 %t4, 1 ; <i16> [#uses=1] |
| br label %bb3 |
| |
| bb3: ; preds = %bb2, %bb |
| %t4 = phi i16 [ %t, %bb2 ], [ 0, %bb ] ; <i16> [#uses=3] |
| br label %bb1 |
| |
| ; CHECK: bb10: |
| ; CHECK-NEXT: %t7 = icmp eq i16 %t4, 0 |
| ; Host %t2 computation outside the loop. |
| ; CHECK-NEXT: [[SCEVGEP:%[^ ]+]] = getelementptr i8, i8 addrspace(1)* undef, i16 %t4 |
| ; CHECK-NEXT: br label %bb14 |
| bb10: ; preds = %bb9 |
| %t7 = icmp eq i16 %t4, 0 ; <i1> [#uses=1] |
| %t3 = add i16 %t4, 16 ; <i16> [#uses=1] |
| br label %bb14 |
| |
| ; CHECK: bb14: |
| ; CHECK-NEXT: store i8 undef, i8 addrspace(1)* [[SCEVGEP]] |
| ; CHECK-NEXT: %t6 = load float addrspace(1)*, float addrspace(1)* addrspace(1)* undef |
| ; Fold %t3's add within the address. |
| ; CHECK-NEXT: [[SCEVGEP1:%[^ ]+]] = getelementptr float, float addrspace(1)* %t6, i16 4 |
| ; CHECK-NEXT: [[SCEVGEP2:%[^ ]+]] = bitcast float addrspace(1)* [[SCEVGEP1]] to i8 addrspace(1)* |
| ; Use the induction variable (%t4) to access the right element |
| ; CHECK-NEXT: [[ADDRESS:%[^ ]+]] = getelementptr i8, i8 addrspace(1)* [[SCEVGEP2]], i16 %t4 |
| ; CHECK-NEXT: store i8 undef, i8 addrspace(1)* [[ADDRESS]] |
| ; CHECK-NEXT: br label %bb14 |
| bb14: ; preds = %bb14, %bb10 |
| %t2 = getelementptr inbounds i8, i8 addrspace(1)* undef, i16 %t4 ; <i8*> [#uses=1] |
| store i8 undef, i8 addrspace(1)* %t2 |
| %t6 = load float addrspace(1)*, float addrspace(1)* addrspace(1)* undef |
| %t8 = bitcast float addrspace(1)* %t6 to i8 addrspace(1)* ; <i8*> [#uses=1] |
| %t9 = getelementptr inbounds i8, i8 addrspace(1)* %t8, i16 %t3 ; <i8*> [#uses=1] |
| store i8 undef, i8 addrspace(1)* %t9 |
| br label %bb14 |
| } |
| |