32 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			32 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=x86-64 | FileCheck %s
 | 
						|
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -addr-sink-using-gep=1 | FileCheck %s
 | 
						|
 | 
						|
define void @merge_store(i32* nocapture %a) {
 | 
						|
; CHECK-LABEL: merge_store:
 | 
						|
; CHECK: movq
 | 
						|
; CHECK: movq
 | 
						|
entry:
 | 
						|
  br label %for.body
 | 
						|
 | 
						|
  for.body:
 | 
						|
  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
 | 
						|
  %arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
 | 
						|
  store i32 1, i32* %arrayidx, align 4
 | 
						|
  %0 = or i64 %indvars.iv, 1
 | 
						|
  %arrayidx2 = getelementptr inbounds i32, i32* %a, i64 %0
 | 
						|
  store i32 1, i32* %arrayidx2, align 4
 | 
						|
  %1 = or i64 %indvars.iv, 2
 | 
						|
  %arrayidx5 = getelementptr inbounds i32, i32* %a, i64 %1
 | 
						|
  store i32 1, i32* %arrayidx5, align 4
 | 
						|
  %2 = or i64 %indvars.iv, 3
 | 
						|
  %arrayidx8 = getelementptr inbounds i32, i32* %a, i64 %2
 | 
						|
  store i32 1, i32* %arrayidx8, align 4
 | 
						|
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 4
 | 
						|
  %3 = trunc i64 %indvars.iv.next to i32
 | 
						|
  %cmp = icmp slt i32 %3, 1000
 | 
						|
  br i1 %cmp, label %for.body, label %for.end
 | 
						|
 | 
						|
  for.end:
 | 
						|
  ret void
 | 
						|
}
 |