llvm-6502/test/CodeGen/X86/2008-12-16-dagcombine-4.ll
Dale Johannesen fd3b7b7df3 A new dag combine; several permutations of this
are there under ADD, this one was missing.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61107 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16 22:13:49 +00:00

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503 B
LLVM

; RUN: llvm-as < %s | llc -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 %a, %L
%1 = add i32 %P, %0
%2 = sub i32 %1, %a
br label %return
return: ; preds = %bb3
ret i32 %2
}