| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \ |
| ; RUN: -mcpu=pwr8 < %s | FileCheck %s |
| ; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu \ |
| ; RUN: -mcpu=pwr7 < %s | FileCheck %s |
| ; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-aix \ |
| ; RUN: -mcpu=pwr7 < %s | FileCheck %s |
| ; RUN: llc -verify-machineinstrs -mtriple=powerpc-unknown-aix \ |
| ; RUN: -mcpu=pwr7 < %s | FileCheck %s --check-prefix=CHECK-32BIT |
| |
| declare i32 @llvm.ppc.mftbu() |
| declare i32 @llvm.ppc.mfmsr() |
| declare void @llvm.ppc.mtmsr(i32) |
| |
| @ula = external local_unnamed_addr global i64, align 8 |
| |
| define dso_local zeroext i32 @test_mftbu() { |
| ; CHECK-LABEL: test_mftbu: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: mftbu 3 |
| ; CHECK-NEXT: clrldi 3, 3, 32 |
| ; CHECK-NEXT: blr |
| ; |
| ; CHECK-32BIT-LABEL: test_mftbu: |
| ; CHECK-32BIT: # %bb.0: # %entry |
| ; CHECK-32BIT-NEXT: mftbu 3 |
| ; CHECK-32BIT-NEXT: blr |
| entry: |
| %0 = tail call i32 @llvm.ppc.mftbu() |
| ret i32 %0 |
| } |
| |
| define dso_local i64 @test_mfmsr() { |
| ; CHECK-LABEL: test_mfmsr: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: mfmsr 3 |
| ; CHECK-NEXT: clrldi 3, 3, 32 |
| ; CHECK-NEXT: blr |
| ; |
| ; CHECK-32BIT-LABEL: test_mfmsr: |
| ; CHECK-32BIT: # %bb.0: # %entry |
| ; CHECK-32BIT-NEXT: mfmsr 4 |
| ; CHECK-32BIT-NEXT: li 3, 0 |
| ; CHECK-32BIT-NEXT: blr |
| entry: |
| %0 = tail call i32 @llvm.ppc.mfmsr() |
| %conv = zext i32 %0 to i64 |
| ret i64 %conv |
| } |
| |
| define dso_local void @test_mtmsr() { |
| ; CHECK-LABEL: test_mtmsr: |
| ; CHECK: mtmsr 3 |
| ; CHECK-NEXT: blr |
| ; |
| ; CHECK-32BIT-LABEL: test_mtmsr: |
| ; CHECK-32BIT: # %bb.0: # %entry |
| ; CHECK-32BIT-NEXT: lwz 3, L..C0(2) # @ula |
| ; CHECK-32BIT-NEXT: lwz 3, 4(3) |
| ; CHECK-32BIT-NEXT: mtmsr 3, 0 |
| ; CHECK-32BIT-NEXT: blr |
| entry: |
| %0 = load i64, i64* @ula, align 8 |
| %conv = trunc i64 %0 to i32 |
| call void @llvm.ppc.mtmsr(i32 %conv) |
| ret void |
| } |