66 lines · plain
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s3 4define void @merge_store(ptr nocapture %a) {5; CHECK-LABEL: merge_store:6; CHECK: # %bb.0: # %entry7; CHECK-NEXT: xorl %eax, %eax8; CHECK-NEXT: movabsq $4294967297, %rcx # imm = 0x1000000019; CHECK-NEXT: .p2align 410; CHECK-NEXT: .LBB0_1: # %for.body11; CHECK-NEXT: # =>This Inner Loop Header: Depth=112; CHECK-NEXT: movq %rcx, (%rdi,%rax,4)13; CHECK-NEXT: movq %rcx, 8(%rdi,%rax,4)14; CHECK-NEXT: addq $4, %rax15; CHECK-NEXT: cmpl $1000, %eax # imm = 0x3E816; CHECK-NEXT: jl .LBB0_117; CHECK-NEXT: # %bb.2: # %for.end18; CHECK-NEXT: retq19entry:20 br label %for.body21 22 for.body:23 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]24 %arrayidx = getelementptr inbounds i32, ptr %a, i64 %indvars.iv25 store i32 1, ptr %arrayidx, align 426 %0 = or disjoint i64 %indvars.iv, 127 %arrayidx2 = getelementptr inbounds i32, ptr %a, i64 %028 store i32 1, ptr %arrayidx2, align 429 %1 = or disjoint i64 %indvars.iv, 230 %arrayidx5 = getelementptr inbounds i32, ptr %a, i64 %131 store i32 1, ptr %arrayidx5, align 432 %2 = or disjoint i64 %indvars.iv, 333 %arrayidx8 = getelementptr inbounds i32, ptr %a, i64 %234 store i32 1, ptr %arrayidx8, align 435 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 436 %3 = trunc i64 %indvars.iv.next to i3237 %cmp = icmp slt i32 %3, 100038 br i1 %cmp, label %for.body, label %for.end39 40 for.end:41 ret void42}43 44define void @indexed_store_merge(i64 %p, ptr %v) {45; CHECK-LABEL: indexed_store_merge:46; CHECK: # %bb.0: # %entry47; CHECK-NEXT: movl $0, 2(%rdi,%rsi)48; CHECK-NEXT: movb $0, (%rsi)49; CHECK-NEXT: retq50entry:51 %p2 = add nsw i64 %p, 252 %v2 = getelementptr i8, ptr %v, i64 %p253 store i8 0, ptr %v2, align 254 %p3 = add nsw i64 %p, 355 %v3 = getelementptr i8, ptr %v, i64 %p356 store i8 0, ptr %v3, align 157 %p4 = add nsw i64 %p, 458 %v4 = getelementptr i8, ptr %v, i64 %p459 store i8 0, ptr %v4, align 260 %p5 = add nsw i64 %p, 561 %v5 = getelementptr i8, ptr %v, i64 %p562 store i8 0, ptr %v5, align 163 store i8 0, ptr %v, align 264 ret void65}66