| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -ppc-asm-full-reg-names -verify-machineinstrs -ppc-formprep-chain-commoning \ |
| ; RUN: -mtriple=powerpc-ibm-aix-xcoff -mcpu=pwr9 < %s | FileCheck %s |
| |
| ; Test that on 32 bit AIX, the chain commoning still works without crash. |
| |
| ; addresses: |
| ; 1: base1 + offset |
| ; 2: + offset |
| ; 3: + offset |
| ; 4: + offset |
| ; |
| ; chains: |
| ; 1: base: base1 + offset, offsets: (0, offset) |
| ; 2: base: base1 + 3*offset, offsets: (0, offset) |
| ; |
| ; long long two_chain_same_offset_succ_i32(char *p, int offset, int base1, long long n) { |
| ; int o1 = base1 + offset; |
| ; int o2 = base1 + 2 * offset; |
| ; int o3 = base1 + 3 * offset; |
| ; int o4 = base1 + 4 * offset; |
| ; char *p1 = p + o1; |
| ; char *p2 = p + o2; |
| ; char *p3 = p + o3; |
| ; char *p4 = p + o4; |
| ; long long sum = 0; |
| ; for (long long i = 0; i < n; ++i) { |
| ; unsigned long x1 = *(unsigned long *)(p1 + i); |
| ; unsigned long x2 = *(unsigned long *)(p2 + i); |
| ; unsigned long x3 = *(unsigned long *)(p3 + i); |
| ; unsigned long x4 = *(unsigned long *)(p4 + i); |
| ; sum += x1 * x2 * x3 * x4; |
| ; } |
| ; return sum; |
| ; } |
| ; |
| define i64 @two_chain_same_offset_succ_i32(i8* %p, i32 %offset, i32 %base1, i64 %n) { |
| ; CHECK-LABEL: two_chain_same_offset_succ_i32: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: cmplwi r6, 0 |
| ; CHECK-NEXT: cmpwi cr1, r6, 0 |
| ; CHECK-NEXT: stw r30, -8(r1) # 4-byte Folded Spill |
| ; CHECK-NEXT: stw r31, -4(r1) # 4-byte Folded Spill |
| ; CHECK-NEXT: crandc 4*cr5+lt, 4*cr1+lt, eq |
| ; CHECK-NEXT: cmpwi cr1, r7, 0 |
| ; CHECK-NEXT: bc 12, 4*cr5+lt, L..BB0_5 |
| ; CHECK-NEXT: # %bb.1: # %entry |
| ; CHECK-NEXT: crand 4*cr5+lt, eq, 4*cr1+eq |
| ; CHECK-NEXT: bc 12, 4*cr5+lt, L..BB0_5 |
| ; CHECK-NEXT: # %bb.2: # %for.body.preheader |
| ; CHECK-NEXT: slwi r8, r4, 1 |
| ; CHECK-NEXT: li r10, 0 |
| ; CHECK-NEXT: li r11, 0 |
| ; CHECK-NEXT: add r8, r4, r8 |
| ; CHECK-NEXT: add r9, r5, r8 |
| ; CHECK-NEXT: add r5, r5, r4 |
| ; CHECK-NEXT: add r8, r3, r5 |
| ; CHECK-NEXT: add r9, r3, r9 |
| ; CHECK-NEXT: li r3, 0 |
| ; CHECK-NEXT: li r5, 0 |
| ; CHECK-NEXT: .align 4 |
| ; CHECK-NEXT: L..BB0_3: # %for.body |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: lwz r12, 0(r8) |
| ; CHECK-NEXT: lwzx r0, r8, r4 |
| ; CHECK-NEXT: lwz r31, 0(r9) |
| ; CHECK-NEXT: lwzx r30, r9, r4 |
| ; CHECK-NEXT: addi r8, r8, 1 |
| ; CHECK-NEXT: addi r9, r9, 1 |
| ; CHECK-NEXT: mullw r12, r0, r12 |
| ; CHECK-NEXT: mullw r12, r12, r31 |
| ; CHECK-NEXT: mullw r12, r12, r30 |
| ; CHECK-NEXT: addc r5, r5, r12 |
| ; CHECK-NEXT: addze r3, r3 |
| ; CHECK-NEXT: addic r11, r11, 1 |
| ; CHECK-NEXT: addze r10, r10 |
| ; CHECK-NEXT: cmplw r10, r6 |
| ; CHECK-NEXT: cmpw cr1, r10, r6 |
| ; CHECK-NEXT: crandc 4*cr5+lt, 4*cr1+lt, eq |
| ; CHECK-NEXT: cmplw cr1, r11, r7 |
| ; CHECK-NEXT: bc 12, 4*cr5+lt, L..BB0_3 |
| ; CHECK-NEXT: # %bb.4: # %for.body |
| ; CHECK-NEXT: # |
| ; CHECK-NEXT: crand 4*cr5+lt, eq, 4*cr1+lt |
| ; CHECK-NEXT: bc 12, 4*cr5+lt, L..BB0_3 |
| ; CHECK-NEXT: b L..BB0_6 |
| ; CHECK-NEXT: L..BB0_5: |
| ; CHECK-NEXT: li r3, 0 |
| ; CHECK-NEXT: li r5, 0 |
| ; CHECK-NEXT: L..BB0_6: # %for.cond.cleanup |
| ; CHECK-NEXT: lwz r31, -4(r1) # 4-byte Folded Reload |
| ; CHECK-NEXT: lwz r30, -8(r1) # 4-byte Folded Reload |
| ; CHECK-NEXT: mr r4, r5 |
| ; CHECK-NEXT: blr |
| entry: |
| %add = add nsw i32 %base1, %offset |
| %mul = shl nsw i32 %offset, 1 |
| %add1 = add nsw i32 %mul, %base1 |
| %mul2 = mul nsw i32 %offset, 3 |
| %add3 = add nsw i32 %mul2, %base1 |
| %mul4 = shl nsw i32 %offset, 2 |
| %add5 = add nsw i32 %mul4, %base1 |
| %add.ptr = getelementptr inbounds i8, i8* %p, i32 %add |
| %add.ptr6 = getelementptr inbounds i8, i8* %p, i32 %add1 |
| %add.ptr7 = getelementptr inbounds i8, i8* %p, i32 %add3 |
| %add.ptr8 = getelementptr inbounds i8, i8* %p, i32 %add5 |
| %cmp49 = icmp sgt i64 %n, 0 |
| br i1 %cmp49, label %for.body, label %for.cond.cleanup |
| |
| for.cond.cleanup: ; preds = %for.body, %entry |
| %sum.0.lcssa = phi i64 [ 0, %entry ], [ %add19, %for.body ] |
| ret i64 %sum.0.lcssa |
| |
| for.body: ; preds = %entry, %for.body |
| %sum.051 = phi i64 [ %add19, %for.body ], [ 0, %entry ] |
| %i.050 = phi i64 [ %inc, %for.body ], [ 0, %entry ] |
| %idx.ext = trunc i64 %i.050 to i32 |
| %add.ptr9 = getelementptr inbounds i8, i8* %add.ptr, i32 %idx.ext |
| %0 = bitcast i8* %add.ptr9 to i32* |
| %1 = load i32, i32* %0, align 4 |
| %add.ptr11 = getelementptr inbounds i8, i8* %add.ptr6, i32 %idx.ext |
| %2 = bitcast i8* %add.ptr11 to i32* |
| %3 = load i32, i32* %2, align 4 |
| %add.ptr13 = getelementptr inbounds i8, i8* %add.ptr7, i32 %idx.ext |
| %4 = bitcast i8* %add.ptr13 to i32* |
| %5 = load i32, i32* %4, align 4 |
| %add.ptr15 = getelementptr inbounds i8, i8* %add.ptr8, i32 %idx.ext |
| %6 = bitcast i8* %add.ptr15 to i32* |
| %7 = load i32, i32* %6, align 4 |
| %mul16 = mul i32 %3, %1 |
| %mul17 = mul i32 %mul16, %5 |
| %mul18 = mul i32 %mul17, %7 |
| %conv = zext i32 %mul18 to i64 |
| %add19 = add nuw nsw i64 %sum.051, %conv |
| %inc = add nuw nsw i64 %i.050, 1 |
| %cmp = icmp slt i64 %inc, %n |
| br i1 %cmp, label %for.body, label %for.cond.cleanup |
| } |
| |