test/Transforms/DirectX/getpointer-sink-behavior.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
; RUN: opt -passes=sink -S %s | FileCheck %s

; Verify that dx.resource.getpointer can be sunk into a branch where it is
; only used.

define void @can_sink_into_branch(i1 %cond) {
; CHECK-LABEL: define void @can_sink_into_branch(
; CHECK-SAME: i1 [[COND:%.*]]) {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    br i1 [[COND]], label %[[IF_THEN:.*]], label %[[IF_END:.*]]
; CHECK:       [[IF_THEN]]:
; CHECK-NEXT:    [[BUF:%.*]] = call target("dx.RawBuffer", i32, 1, 0) @llvm.dx.resource.handlefrombinding.tdx.RawBuffer_i32_1_0t(i32 0, i32 0, i32 1, i32 0, ptr null)
; CHECK-NEXT:    [[PTR:%.*]] = call noundef nonnull align 4 dereferenceable(4) ptr @llvm.dx.resource.getpointer.p0.tdx.RawBuffer_i32_1_0t.i32(target("dx.RawBuffer", i32, 1, 0) [[BUF]], i32 0)
; CHECK-NEXT:    store i32 42, ptr [[PTR]], align 4
; CHECK-NEXT:    br label %[[IF_END]]
; CHECK:       [[IF_END]]:
; CHECK-NEXT:    ret void
;
entry:
  %buf = call target("dx.RawBuffer", i32, 1, 0) @llvm.dx.resource.handlefrombinding.tdx.RawBuffer_i32_1_0t(i32 0, i32 0, i32 1, i32 0, ptr null)
  %ptr = call noundef nonnull align 4 dereferenceable(4) ptr @llvm.dx.resource.getpointer.p0.tdx.RawBuffer_i32_1_0t.i32(target("dx.RawBuffer", i32, 1, 0) %buf, i32 0)
  br i1 %cond, label %if.then, label %if.end

if.then:
  store i32 42, ptr %ptr, align 4
  br label %if.end

if.end:
  ret void
}