| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -march=hexagon -O2 < %s | FileCheck %s |
| |
| ; Check that we don't generate .falign directives after function calls at O2. |
| ; We need more than one basic block for this test because MachineBlockPlacement |
| ; will not run on single basic block functions. |
| |
| declare i32 @f0() |
| |
| ; We don't want faligns after the calls to foo. |
| |
| define i32 @f1(i32 %a0) #0 { |
| ; CHECK-LABEL: f1: |
| ; CHECK: // %bb.0: // %b0 |
| ; CHECK-NEXT: { |
| ; CHECK-NEXT: if (!p0.new) r0 = add(r0,#5) |
| ; CHECK-NEXT: p0 = cmp.eq(r0,#0) |
| ; CHECK-NEXT: if (!p0.new) jumpr:nt r31 |
| ; CHECK-NEXT: } |
| ; CHECK-NEXT: .LBB0_1: // %b1 |
| ; CHECK-NEXT: { |
| ; CHECK-NEXT: call f0 |
| ; CHECK-NEXT: memd(r29+#-16) = r17:16 |
| ; CHECK-NEXT: allocframe(#8) |
| ; CHECK-NEXT: } // 8-byte Folded Spill |
| ; CHECK-NEXT: { |
| ; CHECK-NEXT: call f0 |
| ; CHECK-NEXT: r16 = r0 |
| ; CHECK-NEXT: } |
| ; CHECK-NEXT: { |
| ; CHECK-NEXT: r0 = add(r16,r0) |
| ; CHECK-NEXT: r17:16 = memd(r29+#0) |
| ; CHECK-NEXT: deallocframe |
| ; CHECK-NEXT: } // 8-byte Folded Reload |
| ; CHECK-NEXT: { |
| ; CHECK-NEXT: jumpr r31 |
| ; CHECK-NEXT: } |
| b0: |
| %v0 = icmp eq i32 %a0, 0 |
| br i1 %v0, label %b1, label %b2 |
| |
| b1: ; preds = %b0 |
| %v1 = call i32 @f0() |
| %v2 = call i32 @f0() |
| %v3 = add i32 %v1, %v2 |
| ret i32 %v3 |
| |
| b2: ; preds = %b0 |
| %v4 = add i32 %a0, 5 |
| ret i32 %v4 |
| } |
| |
| attributes #0 = { nounwind } |