llvm-6502/test/CodeGen/X86/2008-12-02-dagcombine-1.ll
Dale Johannesen 3cc1b8d9c6 testcases for recent dag combiner changes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60449 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-03 00:52:41 +00:00

20 lines
719 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 i8* @test(i8* %a, i8* %L, i8* %P) nounwind {
entry:
%0 = ptrtoint i8* %a to i32
%1 = sub i32 -2, %0
%2 = ptrtoint i8* %P to i32
%3 = sub i32 0, %2
%4 = ptrtoint i8* %L to i32
%5 = add i32 %4, %3
%6 = add i32 %5, %1 ; <i32> [#uses=1]
%7 = getelementptr i8* %a, i32 %6 ; <i8*> [#uses=1]
br label %return
return: ; preds = %bb3
ret i8* %7
}