| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -simplify-mir -verify-machineinstrs < %s | FileCheck %s |
| |
| target datalayout = "e-m:e-i64:64-n32:64" |
| target triple = "powerpc64le-grtev4-linux-gnu" |
| |
| define void @foo(i64* %p1, i64 %v1, i8 %v2, i64 %v3) { |
| ; CHECK-LABEL: foo: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: mr 7, 5 |
| ; CHECK-NEXT: rldimi. 7, 4, 8, 0 |
| ; CHECK-NEXT: mcrf 1, 0 |
| ; CHECK-NEXT: andi. 5, 5, 1 |
| ; CHECK-NEXT: li 5, 0 |
| ; CHECK-NEXT: std 5, 0(3) |
| ; CHECK-NEXT: crnot 20, 6 |
| ; CHECK-NEXT: bc 4, 1, .LBB0_2 |
| ; CHECK-NEXT: # %bb.1: # %bb1 |
| ; CHECK-NEXT: std 4, 0(3) |
| ; CHECK-NEXT: .LBB0_2: # %bb2 |
| ; CHECK-NEXT: bclr 12, 20, 0 |
| ; CHECK-NEXT: # %bb.3: # %bb3 |
| ; CHECK-NEXT: std 6, 0(3) |
| ; CHECK-NEXT: blr |
| store i64 0, i64* %p1, align 8 |
| %ext = zext i8 %v2 to i64 |
| %shift = shl nuw i64 %v1, 8 |
| %merge = or i64 %shift, %ext |
| %not0 = icmp ne i64 %merge, 0 |
| %bit0 = and i64 %ext, 1 ; and & icmp instructions can be combined |
| %cond1 = icmp eq i64 %bit0, 0 ; to and. and generates condition code to |
| br i1 %cond1, label %bb2, label %bb1 ; be used by this conditional branch |
| |
| bb1: |
| store i64 %v1, i64* %p1, align 8 |
| br label %bb2 |
| |
| bb2: |
| br i1 %not0, label %exit, label %bb3 |
| |
| bb3: |
| store i64 %v3, i64* %p1, align 8 |
| br label %exit |
| |
| exit: |
| ret void |
| } |
