| ; NOTE: This test case aims to test the sequence of spilling the CR[0-7]LT bits |
| ; NOTE: on POWER9 using the setb instruction. |
| |
| ; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \ |
| ; RUN: -ppc-asm-full-reg-names -ppc-vsr-nums-as-vr -mcpu=pwr9 < %s \ |
| ; RUN: | FileCheck %s --check-prefix=CHECK-P9 |
| ; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu \ |
| ; RUN: -ppc-asm-full-reg-names -ppc-vsr-nums-as-vr -mcpu=pwr9 < %s \ |
| ; RUN: | FileCheck %s --check-prefix=CHECK-P9 |
| ; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \ |
| ; RUN: -ppc-asm-full-reg-names -ppc-vsr-nums-as-vr -mcpu=pwr8 < %s \ |
| ; RUN: | FileCheck %s --check-prefix=CHECK-P8 |
| ; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu \ |
| ; RUN: -ppc-asm-full-reg-names -ppc-vsr-nums-as-vr -mcpu=pwr8 < %s \ |
| ; RUN: | FileCheck %s --check-prefix=CHECK-P8 |
| |
| define void @p9_setb_spill() { |
| ; CHECK-P9-LABEL: p9_setb_spill: |
| ; CHECK-P9: # %bb.1: # %if.then |
| ; CHECK-P9-DAG: crnot 4*cr[[CREG:.*]]+lt, eq |
| ; CHECK-P9-DAG: setb [[REG1:.*]], cr[[CREG]] |
| ; CHECK-P9-DAG: stw [[REG1]] |
| ; CHECK-P9: blr |
| ; CHECK-P9: .LBB0_4: # %if.then1 |
| ; |
| ; CHECK-P8-LABEL: p9_setb_spill: |
| ; CHECK-P8: # %bb.1: # %if.then |
| ; CHECK-P8-DAG: crnot 4*cr[[CREG2:.*]]+lt, eq |
| ; CHECK-P8-DAG: mfocrf [[REG2:.*]], |
| ; CHECK-P8-DAG: rlwinm [[REG2]], [[REG2]] |
| ; CHECK-P8-DAG: stw [[REG2]] |
| ; CHECK-P8: blr |
| ; CHECK-P8: .LBB0_4: # %if.then1 |
| entry: |
| br i1 undef, label %if.end, label %if.then |
| |
| if.then: ; preds = %entry |
| %call = tail call signext i32 bitcast (i32 (...)* @fn_call to i32 ()*)() |
| %cmp1 = icmp ne i32 %call, 0 |
| br label %if.end |
| |
| if.end: ; preds = %if.then, %entry |
| %off0 = phi i1 [ %cmp1, %if.then ], [ false, %entry ] |
| tail call void asm sideeffect "#Clobber", "~{cr0},~{cr1},~{cr2},~{cr3},~{cr4},~{cr5},~{cr6},~{cr7}"() |
| %off0.not = xor i1 %off0, true |
| %or = or i1 false, %off0.not |
| br i1 %or, label %if.end2, label %if.then1 |
| |
| if.then1: ; preds = %if.end |
| unreachable |
| |
| if.end2: ; preds = %if.end |
| ret void |
| } |
| |
| declare signext i32 @fn_call(...) |
