1 files changed, 54 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/callbr.ll b/llvm/test/CodeGen/AMDGPU/callbr.ll
new file mode 100644
index 0000000..253a6ec
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/callbr.ll
@@ -0,0 +1,54 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -mtriple=amdgcn -mcpu=gfx90a < %s | FileCheck %s
+
+define void @callbr_inline_asm(ptr %src, ptr %dst1, ptr %dst2, i32 %c) {
+; CHECK-LABEL: callbr_inline_asm:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    flat_load_dword v0, v[0:1]
+; CHECK-NEXT:    ;;#ASMSTART
+; CHECK-NEXT:    v_cmp_gt_i32 vcc v6, 42; s_cbranch_vccnz .LBB0_2
+; CHECK-NEXT:    ;;#ASMEND
+; CHECK-NEXT:  ; %bb.1: ; %fallthrough
+; CHECK-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    flat_store_dword v[2:3], v0
+; CHECK-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+; CHECK-NEXT:  .LBB0_2: ; Inline asm indirect target
+; CHECK-NEXT:    ; %indirect
+; CHECK-NEXT:    ; Label of block must be emitted
+; CHECK-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    flat_store_dword v[4:5], v0
+; CHECK-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+	%a = load i32, ptr %src, align 4
+	callbr void asm "v_cmp_gt_i32 vcc $0, 42; s_cbranch_vccnz ${1:l}", "r,!i"(i32 %c) to label %fallthrough [label %indirect]
+fallthrough:
+	store i32 %a, ptr %dst1, align 4
+	br label %ret
+indirect:
+	store i32 %a, ptr %dst2, align 4
+	br label %ret
+ret:
+	ret void
+}
+
+define void @callbr_self_loop(i1 %c) {
+; CHECK-LABEL: callbr_self_loop:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:  .LBB1_1: ; %callbr
+; CHECK-NEXT:    ; =>This Inner Loop Header: Depth=1
+; CHECK-NEXT:    ;;#ASMSTART
+; CHECK-NEXT:    ;;#ASMEND
+; CHECK-NEXT:    s_branch .LBB1_1
+; CHECK-NEXT:  .LBB1_2: ; Inline asm indirect target
+; CHECK-NEXT:    ; %callbr.target.ret
+; CHECK-NEXT:    ; Label of block must be emitted
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+  br label %callbr
+callbr:
+  callbr void asm "", "!i"() to label %callbr [label %ret]
+ret:
+  ret void
+}