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Diffstat (limited to 'test/Transforms/RewriteStatepointsForGC/base-pointers-7.ll')
-rw-r--r-- | test/Transforms/RewriteStatepointsForGC/base-pointers-7.ll | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/test/Transforms/RewriteStatepointsForGC/base-pointers-7.ll b/test/Transforms/RewriteStatepointsForGC/base-pointers-7.ll new file mode 100644 index 0000000..e4807e6 --- /dev/null +++ b/test/Transforms/RewriteStatepointsForGC/base-pointers-7.ll @@ -0,0 +1,53 @@ +; RUN: opt %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s + +; CHECK: derived %merged_value base %base_phi + +declare void @site_for_call_safpeoint() + +define i64 addrspace(1)* @test(i64 addrspace(1)* %base_obj_x, + i64 addrspace(1)* %base_obj_y, i1 %runtime_condition_x, + i1 %runtime_condition_y) gc "statepoint-example" { +entry: + br i1 %runtime_condition_x, label %here, label %there + +here: + br i1 %runtime_condition_y, label %bump_here_a, label %bump_here_b + +bump_here_a: + %x_a = getelementptr i64, i64 addrspace(1)* %base_obj_x, i32 1 + br label %merge_here + +bump_here_b: + %x_b = getelementptr i64, i64 addrspace(1)* %base_obj_y, i32 2 + br label %merge_here + + +merge_here: +; CHECK: merge_here: +; CHECK-DAG: %base_phi +; CHECK-DAG: phi i64 addrspace(1)* +; CHECK-DAG: [ %base_obj_x, %bump_here_a ] +; CHECK-DAG: [ %base_obj_y, %bump_here_b ] + %x = phi i64 addrspace(1)* [ %x_a , %bump_here_a ], [ %x_b , %bump_here_b ] + br label %merge + +there: + %y = getelementptr i64, i64 addrspace(1)* %base_obj_y, i32 1 + br label %merge + +merge: +; CHECK: merge: +; CHECK-DAG: %base_phi1 +; CHECK-DAG: phi i64 addrspace(1)* +; CHECK-DAG: %merge_here +; CHECK-DAG: [ %base_obj_y, %there ] +; CHECK: %merged_value = phi i64 addrspace(1)* [ %x, %merge_here ], [ %y, %there ] + %merged_value = phi i64 addrspace(1)* [ %x, %merge_here ], [ %y, %there ] + + %safepoint_token = call i32 (void ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()* @site_for_call_safpeoint, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0) + ret i64 addrspace(1)* %merged_value +} + +declare void @do_safepoint() +declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()*, i32, i32, ...) + |