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ARM isel should match ldr x +/- x * (2^n) to ldr [x, +/- x, lsl #log2(n)].

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35114 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2007-03-14 23:26:40 +00:00
parent 3fae7ba5b5
commit 8f7d26bce7
2 changed files with 17 additions and 1 deletions
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2
test/CodeGen/ARM/2007-03-13-InstrSched.ll
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@ -1,4 +1,4 @@
; RUN: llvm-as < %s | llc -mtriple=arm-apple-darwin -relocation-model=pic -mattr=+v6 -stats 2>&1 | grep 'asm-printer' | grep 57
; RUN: llvm-as < %s | llc -mtriple=arm-apple-darwin -relocation-model=pic -mattr=+v6 -stats 2>&1 | grep 'asm-printer' | grep 53
define void @test(i32 %tmp56222, i32 %tmp36224, i32 %tmp46223, i32 %i.0196.0.ph, i32 %tmp8, i32* %tmp1011, i32** %tmp1, i32* %d2.1.out, i32* %d3.1.out, i32* %d0.1.out, i32* %d1.1.out) {
newFuncRoot:

16
test/CodeGen/ARM/addrmode.ll Normal file
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@ -0,0 +1,16 @@
; RUN: llvm-as < %s | llc -march=arm &&
; RUN: llvm-as < %s | llc -march=arm -stats 2>&1 | grep 'asm-printer' | grep 4
define i32 @t1(i32 %a) {
%b = mul i32 %a, 9
%c = inttoptr i32 %b to i32*
%d = load i32* %c
ret i32 %d
}
define i32 @t2(i32 %a) {
%b = mul i32 %a, -7
%c = inttoptr i32 %b to i32*
%d = load i32* %c
ret i32 %d
}