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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -disable-lsr -ppc-asm-full-reg-names -verify-machineinstrs \
; RUN: -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr9 < %s | FileCheck %s
; FIXME: PPCLoopInstrFormPrep should be able to common base for "(unsigned long long *)(p + j + 5)"
; and "(unsigned long long *)(p + j + 9)", thus we only have two DS form load inside the loop.
; long long foo(char *p, int n, int count) {
; int j = 0;
; long long sum = 0;
; for (int i = 0; i < n; i++) {
; sum += *(unsigned long long *)(p + j + 5);
; sum += *(unsigned long long *)(p + j + 9);
; j += count;
; }
; return sum;
; }
define i64 @foo(i8* %p, i32 signext %n, i32 signext %count) {
; CHECK-LABEL: foo:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: cmpwi r4, 1
; CHECK-NEXT: blt cr0, .LBB0_4
; CHECK-NEXT: # %bb.1: # %for.body.preheader
; CHECK-NEXT: addi r4, r4, -1
; CHECK-NEXT: extsw r5, r5
; CHECK-NEXT: li r6, 0
; CHECK-NEXT: li r7, 5
; CHECK-NEXT: li r8, 9
; CHECK-NEXT: clrldi r4, r4, 32
; CHECK-NEXT: addi r4, r4, 1
; CHECK-NEXT: mtctr r4
; CHECK-NEXT: li r4, 0
; CHECK-NEXT: .p2align 5
; CHECK-NEXT: .LBB0_2: # %for.body
; CHECK-NEXT: #
; CHECK-NEXT: add r9, r3, r6
; CHECK-NEXT: add r6, r6, r5
; CHECK-NEXT: ldx r10, r9, r7
; CHECK-NEXT: ldx r9, r9, r8
; CHECK-NEXT: add r4, r10, r4
; CHECK-NEXT: add r4, r4, r9
; CHECK-NEXT: bdnz .LBB0_2
; CHECK-NEXT: # %bb.3: # %for.cond.cleanup
; CHECK-NEXT: mr r3, r4
; CHECK-NEXT: blr
; CHECK-NEXT: .LBB0_4:
; CHECK-NEXT: li r4, 0
; CHECK-NEXT: mr r3, r4
; CHECK-NEXT: blr
entry:
%cmp16 = icmp sgt i32 %n, 0
br i1 %cmp16, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader: ; preds = %entry
%0 = sext i32 %count to i64
br label %for.body
for.cond.cleanup: ; preds = %for.body, %entry
%sum.0.lcssa = phi i64 [ 0, %entry ], [ %add5, %for.body ]
ret i64 %sum.0.lcssa
for.body: ; preds = %for.body.preheader, %for.body
%indvars.iv = phi i64 [ 0, %for.body.preheader ], [ %indvars.iv.next, %for.body ]
%i.019 = phi i32 [ 0, %for.body.preheader ], [ %inc, %for.body ]
%sum.018 = phi i64 [ 0, %for.body.preheader ], [ %add5, %for.body ]
%add.ptr = getelementptr inbounds i8, i8* %p, i64 %indvars.iv
%add.ptr1 = getelementptr inbounds i8, i8* %add.ptr, i64 5
%1 = bitcast i8* %add.ptr1 to i64*
%2 = load i64, i64* %1, align 8
%add = add i64 %2, %sum.018
%add.ptr4 = getelementptr inbounds i8, i8* %add.ptr, i64 9
%3 = bitcast i8* %add.ptr4 to i64*
%4 = load i64, i64* %3, align 8
%add5 = add i64 %add, %4
%indvars.iv.next = add nsw i64 %indvars.iv, %0
%inc = add nuw nsw i32 %i.019, 1
%exitcond.not = icmp eq i32 %inc, %n
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
; char foo1(char *p, int n, int count) {
; int j = 0;
; char sum = 0;
; for (int i = 0; i < n; i++) {
; sum += *(p + j + 1000);
; j += count;
; }
; return sum;
; }
define zeroext i8 @foo1(i8* %p, i32 signext %n, i32 signext %count) {
; CHECK-LABEL: foo1:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: cmpwi r4, 1
; CHECK-NEXT: blt cr0, .LBB1_4
; CHECK-NEXT: # %bb.1: # %for.body.preheader
; CHECK-NEXT: addi r4, r4, -1
; CHECK-NEXT: addi r3, r3, 1000
; CHECK-NEXT: extsw r5, r5
; CHECK-NEXT: li r6, 0
; CHECK-NEXT: clrldi r4, r4, 32
; CHECK-NEXT: addi r4, r4, 1
; CHECK-NEXT: mtctr r4
; CHECK-NEXT: li r4, 0
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB1_2: # %for.body
; CHECK-NEXT: #
; CHECK-NEXT: lbzx r7, r3, r6
; CHECK-NEXT: add r6, r6, r5
; CHECK-NEXT: add r4, r7, r4
; CHECK-NEXT: bdnz .LBB1_2
; CHECK-NEXT: # %bb.3: # %for.cond.cleanup
; CHECK-NEXT: clrldi r3, r4, 56
; CHECK-NEXT: blr
; CHECK-NEXT: .LBB1_4:
; CHECK-NEXT: li r3, 0
; CHECK-NEXT: blr
entry:
%cmp10 = icmp sgt i32 %n, 0
br i1 %cmp10, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader: ; preds = %entry
%0 = sext i32 %count to i64
%add.ptr = getelementptr inbounds i8, i8* %p, i64 1000
br label %for.body
for.cond.cleanup: ; preds = %for.body, %entry
%sum.0.lcssa = phi i8 [ 0, %entry ], [ %add, %for.body ]
ret i8 %sum.0.lcssa
for.body: ; preds = %for.body.preheader, %for.body
%indvars.iv = phi i64 [ 0, %for.body.preheader ], [ %indvars.iv.next, %for.body ]
%i.013 = phi i32 [ 0, %for.body.preheader ], [ %inc, %for.body ]
%sum.012 = phi i8 [ 0, %for.body.preheader ], [ %add, %for.body ]
%add.ptr1 = getelementptr inbounds i8, i8* %add.ptr, i64 %indvars.iv
%1 = load i8, i8* %add.ptr1, align 1
%add = add i8 %1, %sum.012
%indvars.iv.next = add nsw i64 %indvars.iv, %0
%inc = add nuw nsw i32 %i.013, 1
%exitcond.not = icmp eq i32 %inc, %n
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
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