lsr-insns-cost.ll
2.69 KB
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; RUN: llc -ppc-asm-full-reg-names -verify-machineinstrs < %s \
; RUN: -mtriple=powerpc64le-unknown-linux-gnu | FileCheck %s -check-prefix=INST
; RUN: llc -ppc-asm-full-reg-names -verify-machineinstrs -ppc-lsr-no-insns-cost=true \
; RUN: < %s -mtriple=powerpc64le-unknown-linux-gnu | FileCheck %s -check-prefix=REG
; void test(unsigned *a, unsigned *b, unsigned *c)
; {
; for (unsigned long i = 0; i < 1024; i++)
; c[i] = a[i] + b[i];
; }
;
; compile with -fno-unroll-loops
define void @lsr-insts-cost(i32* %0, i32* %1, i32* %2) {
; INST-LABEL: lsr-insts-cost
; INST: .LBB0_4: # =>This Inner Loop Header: Depth=1
; INST-NEXT: lxvd2x vs34, r3, r6
; INST-NEXT: lxvd2x vs35, r4, r6
; INST-NEXT: vadduwm v2, v3, v2
; INST-NEXT: stxvd2x vs34, r5, r6
; INST-NEXT: addi r6, r6, 16
; INST-NEXT: bdnz .LBB0_4
;
; REG-LABEL: lsr-insts-cost
; REG: .LBB0_4: # =>This Inner Loop Header: Depth=1
; REG-NEXT: lxvd2x vs34, 0, r3
; REG-NEXT: lxvd2x vs35, 0, r4
; REG-NEXT: addi r4, r4, 16
; REG-NEXT: addi r3, r3, 16
; REG-NEXT: vadduwm v2, v3, v2
; REG-NEXT: stxvd2x vs34, 0, r5
; REG-NEXT: addi r5, r5, 16
; REG-NEXT: bdnz .LBB0_4
%4 = getelementptr i32, i32* %2, i64 1024
%5 = getelementptr i32, i32* %0, i64 1024
%6 = getelementptr i32, i32* %1, i64 1024
%7 = icmp ugt i32* %5, %2
%8 = icmp ugt i32* %4, %0
%9 = and i1 %7, %8
%10 = icmp ugt i32* %6, %2
%11 = icmp ugt i32* %4, %1
%12 = and i1 %10, %11
%13 = or i1 %9, %12
br i1 %13, label %28, label %14
14: ; preds = %3, %14
%15 = phi i64 [ %25, %14 ], [ 0, %3 ]
%16 = getelementptr inbounds i32, i32* %0, i64 %15
%17 = bitcast i32* %16 to <4 x i32>*
%18 = load <4 x i32>, <4 x i32>* %17, align 4
%19 = getelementptr inbounds i32, i32* %1, i64 %15
%20 = bitcast i32* %19 to <4 x i32>*
%21 = load <4 x i32>, <4 x i32>* %20, align 4
%22 = add <4 x i32> %21, %18
%23 = getelementptr inbounds i32, i32* %2, i64 %15
%24 = bitcast i32* %23 to <4 x i32>*
store <4 x i32> %22, <4 x i32>* %24, align 4
%25 = add i64 %15, 4
%26 = icmp eq i64 %25, 1024
br i1 %26, label %27, label %14
27: ; preds = %14, %28
ret void
28: ; preds = %3, %28
%29 = phi i64 [ %36, %28 ], [ 0, %3 ]
%30 = getelementptr inbounds i32, i32* %0, i64 %29
%31 = load i32, i32* %30, align 4
%32 = getelementptr inbounds i32, i32* %1, i64 %29
%33 = load i32, i32* %32, align 4
%34 = add i32 %33, %31
%35 = getelementptr inbounds i32, i32* %2, i64 %29
store i32 %34, i32* %35, align 4
%36 = add nuw nsw i64 %29, 1
%37 = icmp eq i64 %36, 1024
br i1 %37, label %27, label %28
}