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| author | Stephen Hines <srhines@google.com> | 2015-03-23 12:10:34 -0700 |
|---|---|---|
| committer | Stephen Hines <srhines@google.com> | 2015-03-23 12:10:34 -0700 |
| commit | ebe69fe11e48d322045d5949c83283927a0d790b (patch) | |
| tree | c92f1907a6b8006628a4b01615f38264d29834ea /test/Transforms/InstCombine/statepoint.ll | |
| parent | b7d2e72b02a4cb8034f32f8247a2558d2434e121 (diff) | |
| download | external_llvm-ebe69fe11e48d322045d5949c83283927a0d790b.zip external_llvm-ebe69fe11e48d322045d5949c83283927a0d790b.tar.gz external_llvm-ebe69fe11e48d322045d5949c83283927a0d790b.tar.bz2 | |
Update aosp/master LLVM for rebase to r230699.
Change-Id: I2b5be30509658cb8266be782de0ab24f9099f9b9
Diffstat (limited to 'test/Transforms/InstCombine/statepoint.ll')
| -rw-r--r-- | test/Transforms/InstCombine/statepoint.ll | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/statepoint.ll b/test/Transforms/InstCombine/statepoint.ll new file mode 100644 index 0000000..bee219d --- /dev/null +++ b/test/Transforms/InstCombine/statepoint.ll @@ -0,0 +1,52 @@ +; RUN: opt < %s -instcombine -S | FileCheck %s +; These tests check the optimizations specific to +; pointers being relocated at a statepoint. + + +declare void @func() + +define i1 @test_negative(i32 addrspace(1)* %p) { +entry: + %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) + %pnew = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32 %safepoint_token, i32 4, i32 4) + %cmp = icmp eq i32 addrspace(1)* %pnew, null + ret i1 %cmp +; CHECK-LABEL: test_negative +; CHECK: %pnew = call i32 addrspace(1)* +; CHECK: ret i1 %cmp +} + +define i1 @test_nonnull(i32 addrspace(1)* nonnull %p) { +entry: + %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) + %pnew = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32 %safepoint_token, i32 4, i32 4) + %cmp = icmp eq i32 addrspace(1)* %pnew, null + ret i1 %cmp +; CHECK-LABEL: test_nonnull +; CHECK: ret i1 false +} + +define i1 @test_null() { +entry: + %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) + %pnew = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32 %safepoint_token, i32 4, i32 4) + %cmp = icmp eq i32 addrspace(1)* %pnew, null + ret i1 %cmp +; CHECK-LABEL: test_null +; CHECK-NOT: %pnew +; CHECK: ret i1 true +} + +define i1 @test_undef() { +entry: + %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) + %pnew = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32 %safepoint_token, i32 4, i32 4) + %cmp = icmp eq i32 addrspace(1)* %pnew, null + ret i1 %cmp +; CHECK-LABEL: test_undef +; CHECK-NOT: %pnew +; CHECK: ret i1 undef +} + +declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()*, i32, i32, ...) +declare i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32, i32, i32) #3 |