| Philip Reames | 9db26ff | 2014-12-29 23:27:30 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -instcombine -S | FileCheck %s |
| 2 | ; These tests check the optimizations specific to |
| 3 | ; pointers being relocated at a statepoint. |
| 4 | |
| 5 | |
| 6 | declare void @func() |
| 7 | |
| Philip Reames | e1bf270 | 2015-03-27 05:09:33 +0000 | [diff] [blame^] | 8 | define i1 @test_negative(i32 addrspace(1)* %p) gc "statepoint-example" { |
| Philip Reames | 9db26ff | 2014-12-29 23:27:30 +0000 | [diff] [blame] | 9 | entry: |
| 10 | %safepoint_token = tail call i32 (void ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()* @func, i32 0, i32 0, i32 0, i32 addrspace(1)* %p) |
| 11 | %pnew = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32 %safepoint_token, i32 4, i32 4) |
| 12 | %cmp = icmp eq i32 addrspace(1)* %pnew, null |
| 13 | ret i1 %cmp |
| 14 | ; CHECK-LABEL: test_negative |
| 15 | ; CHECK: %pnew = call i32 addrspace(1)* |
| 16 | ; CHECK: ret i1 %cmp |
| 17 | } |
| 18 | |
| Philip Reames | e1bf270 | 2015-03-27 05:09:33 +0000 | [diff] [blame^] | 19 | define i1 @test_nonnull(i32 addrspace(1)* nonnull %p) gc "statepoint-example" { |
| Philip Reames | 9db26ff | 2014-12-29 23:27:30 +0000 | [diff] [blame] | 20 | entry: |
| 21 | %safepoint_token = tail call i32 (void ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()* @func, i32 0, i32 0, i32 0, i32 addrspace(1)* %p) |
| 22 | %pnew = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32 %safepoint_token, i32 4, i32 4) |
| 23 | %cmp = icmp eq i32 addrspace(1)* %pnew, null |
| 24 | ret i1 %cmp |
| 25 | ; CHECK-LABEL: test_nonnull |
| 26 | ; CHECK: ret i1 false |
| 27 | } |
| 28 | |
| Philip Reames | e1bf270 | 2015-03-27 05:09:33 +0000 | [diff] [blame^] | 29 | define i1 @test_null() gc "statepoint-example" { |
| Philip Reames | 9db26ff | 2014-12-29 23:27:30 +0000 | [diff] [blame] | 30 | entry: |
| 31 | %safepoint_token = tail call i32 (void ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()* @func, i32 0, i32 0, i32 0, i32 addrspace(1)* null) |
| 32 | %pnew = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32 %safepoint_token, i32 4, i32 4) |
| 33 | %cmp = icmp eq i32 addrspace(1)* %pnew, null |
| 34 | ret i1 %cmp |
| 35 | ; CHECK-LABEL: test_null |
| 36 | ; CHECK-NOT: %pnew |
| 37 | ; CHECK: ret i1 true |
| 38 | } |
| 39 | |
| Philip Reames | e1bf270 | 2015-03-27 05:09:33 +0000 | [diff] [blame^] | 40 | define i1 @test_undef() gc "statepoint-example" { |
| Philip Reames | 9db26ff | 2014-12-29 23:27:30 +0000 | [diff] [blame] | 41 | entry: |
| 42 | %safepoint_token = tail call i32 (void ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()* @func, i32 0, i32 0, i32 0, i32 addrspace(1)* undef) |
| 43 | %pnew = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32 %safepoint_token, i32 4, i32 4) |
| 44 | %cmp = icmp eq i32 addrspace(1)* %pnew, null |
| 45 | ret i1 %cmp |
| 46 | ; CHECK-LABEL: test_undef |
| 47 | ; CHECK-NOT: %pnew |
| 48 | ; CHECK: ret i1 undef |
| 49 | } |
| 50 | |
| 51 | declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()*, i32, i32, ...) |
| 52 | declare i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32, i32, i32) #3 |