Testcase updates (maybe revert this)

Author: linuxrocks123

llvm/test/CodeGen/AMDGPU/s_bcnt0.ll

@@ -1,44 +1,33 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
 ; RUN: llc -mtriple=amdgcn -mcpu=gfx900 < %s | FileCheck %s
 
-define amdgpu_ps i32 @bcnt032_not_for_vregs(i64 %val) {
+define i32 @bcnt032_not_for_vregs(i32 %val0) {
 ; CHECK-LABEL: bcnt032_not_for_vregs:
 ; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
 ; CHECK-NEXT:    v_bcnt_u32_b32 v0, v0, 0
-; CHECK-NEXT:    v_sub_u32_e32 v0, 32, v0
-; CHECK-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v0
-; CHECK-NEXT:    ;;#ASMSTART
-; CHECK-NEXT:    ; use v0
-; CHECK-NEXT:    ;;#ASMEND
+; CHECK-NEXT:    v_cmp_ne_u32_e32 vcc, 32, v0
 ; CHECK-NEXT:    v_cndmask_b32_e64 v0, 0, 1, vcc
-; CHECK-NEXT:    v_readfirstlane_b32 s0, v0
-; CHECK-NEXT:    ; return to shader part epilog
-  %val0 = trunc i64 %val to i32
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
   %result = call i32 @llvm.ctpop.i32(i32 %val0)
   %result2 = sub i32 32, %result
-  call void asm "; use $0", "s"(i32 %result2)
   %cmp = icmp ne i32 %result2, 0
   %zext = zext i1 %cmp to i32
   ret i32 %zext
 }
 
-define amdgpu_ps i32 @bcnt064_not_for_vregs(i64 %val0) {
+define i32 @bcnt064_not_for_vregs(i64 %val0) {
 ; CHECK-LABEL: bcnt064_not_for_vregs:
 ; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
 ; CHECK-NEXT:    v_bcnt_u32_b32 v0, v0, 0
 ; CHECK-NEXT:    v_bcnt_u32_b32 v0, v1, v0
-; CHECK-NEXT:    v_sub_co_u32_e32 v0, vcc, 64, v0
-; CHECK-NEXT:    v_subb_co_u32_e64 v1, s[0:1], 0, 0, vcc
-; CHECK-NEXT:    v_cmp_ne_u64_e32 vcc, 0, v[0:1]
-; CHECK-NEXT:    ;;#ASMSTART
-; CHECK-NEXT:    ; use v[0:1]
-; CHECK-NEXT:    ;;#ASMEND
+; CHECK-NEXT:    v_mov_b32_e32 v1, 0
+; CHECK-NEXT:    v_cmp_ne_u64_e32 vcc, 64, v[0:1]
 ; CHECK-NEXT:    v_cndmask_b32_e64 v0, 0, 1, vcc
-; CHECK-NEXT:    v_readfirstlane_b32 s0, v0
-; CHECK-NEXT:    ; return to shader part epilog
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
   %result = call i64 @llvm.ctpop.i64(i64 %val0)
   %result2 = sub i64 64, %result
-  call void asm "; use $0", "s"(i64 %result2)
   %cmp = icmp ne i64 %result2, 0
   %zext = zext i1 %cmp to i32
   ret i32 %zext