llvm-6502/test/CodeGen/X86/2008-12-22-dagcombine-5.ll

; RUN: llc < %s -march=x86 | grep "(%esp)" | count 2
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
target triple = "i386-apple-darwin9.5"
; -(-a) - a should be found and removed, leaving refs to only L and P
define i32 @test(i32 %a, i32 %L, i32 %P) nounwind {
entry:
        %0 = sub i32 %L, %a
        %1 = sub i32 %P, %0
	%2 = sub i32 %1, %a
	br label %return

return:		; preds = %bb3
	ret i32 %2
}
Eliminate more uses of llvm-as and llvm-dis. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81290 91177308-0d34-0410-b5e6-96231b3b80d8 2009-09-08 23:54:48 +00:00			`; RUN: llc < %s -march=x86 \| grep "(%esp)" \| count 2`
One more permutation of subtracting off a base value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61361 91177308-0d34-0410-b5e6-96231b3b80d8 2008-12-23 01:59:54 +00:00			`target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"`
			`target triple = "i386-apple-darwin9.5"`
			`; -(-a) - a should be found and removed, leaving refs to only L and P`
			`define i32 @test(i32 %a, i32 %L, i32 %P) nounwind {`
			`entry:`
			`%0 = sub i32 %L, %a`
			`%1 = sub i32 %P, %0`
			`%2 = sub i32 %1, %a`
			`br label %return`

			`return: ; preds = %bb3`
			`ret i32 %2`
			`}`