61 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			61 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s
 | 
						|
; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s
 | 
						|
 | 
						|
define i64 @testOptimizeLiAddToAddi(i64 %a) {
 | 
						|
; CHECK-LABEL: testOptimizeLiAddToAddi:
 | 
						|
; CHECK:    addi 3, 30, 2444
 | 
						|
; CHECK:    bl callv
 | 
						|
; CHECK:    addi 3, 30, 234
 | 
						|
; CHECK:    bl call
 | 
						|
; CHECK:    blr
 | 
						|
entry:
 | 
						|
  %cmp = icmp sgt i64 %a, 33
 | 
						|
  br i1 %cmp, label %if.then, label %if.end
 | 
						|
 | 
						|
if.then:
 | 
						|
  tail call void bitcast (void (...)* @callv to void ()*)()
 | 
						|
  br label %if.end
 | 
						|
 | 
						|
if.end:
 | 
						|
  %add.0 = phi i64 [ 234, %if.then ], [ 2444, %entry ]
 | 
						|
  %add2 = add nsw i64 %add.0, %a
 | 
						|
  %call = tail call i64 @call(i64 %add2)
 | 
						|
  ret i64 %call
 | 
						|
}
 | 
						|
 | 
						|
define i64 @testThreePhiIncomings(i64 %a) {
 | 
						|
; CHECK-LABEL: testThreePhiIncomings:
 | 
						|
; CHECK:    bl callv
 | 
						|
; CHECK:    addi 3, 30, 234
 | 
						|
; CHECK:    addi 3, 30, 2444
 | 
						|
; CHECK:    bl callv
 | 
						|
; CHECK:    addi 3, 30, 345
 | 
						|
; CHECK:    bl call
 | 
						|
; CHECK:    blr
 | 
						|
entry:
 | 
						|
  %cmp = icmp slt i64 %a, 33
 | 
						|
  br i1 %cmp, label %if.then, label %if.else
 | 
						|
 | 
						|
if.then:
 | 
						|
  tail call void bitcast (void (...)* @callv to void ()*)()
 | 
						|
  br label %if.end4
 | 
						|
 | 
						|
if.else:
 | 
						|
  %cmp1 = icmp slt i64 %a, 55
 | 
						|
  br i1 %cmp1, label %if.then2, label %if.end4
 | 
						|
 | 
						|
if.then2:
 | 
						|
  tail call void bitcast (void (...)* @callv to void ()*)()
 | 
						|
  br label %if.end4
 | 
						|
 | 
						|
if.end4:
 | 
						|
  %add.0 = phi i64 [ 234, %if.then ], [ 345, %if.then2 ], [ 2444, %if.else ]
 | 
						|
  %add5 = add nsw i64 %add.0, %a
 | 
						|
  %call = tail call i64 @call(i64 %add5)
 | 
						|
  ret i64 %call
 | 
						|
}
 | 
						|
 | 
						|
declare void @callv(...)
 | 
						|
 | 
						|
declare i64 @call(i64)
 |