Displaying 2 results from an estimated 2 matches for "uglygep1".
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uglygep
2020 Jun 10
2
LoopStrengthReduction generates false code
...x i32]* @buffer, i32 0, i32 0)) #2
br label %while.body
; Loop:
while.body: ; preds = %while.body, %entry
%lsr.iv = phi i32 [ %lsr.iv.next, %while.body ], [ 0, %entry ]
%uglygep = getelementptr i8, i8* bitcast ([10 x i32]* @buffer to i8*), i32 %lsr.iv
%uglygep1 = bitcast i8* %uglygep to i32*
%0 = load i32, i32* %uglygep1, align 4, !tbaa !2
%cmp1 = icmp ne i32 %0, -559038737
%cmp11 = icmp eq i32 %lsr.iv, 0
%cmp = or i1 %cmp11, %cmp1
%lsr.iv.next = add nuw i32 %lsr.iv, 8
br i1 %cmp, label %while.body, label %while.end
; Exit blocks
while.end:...
2020 Jun 09
2
LoopStrengthReduction generates false code
Hm, no. I expect byte addresses - everywhere. The compiler should not know that the arch needs word addresses. During lowering LOAD and STORE get explicit conversion operations for the memory address. Even if my arch was byte addressed the code would be false/illegal.
Boris
> Am 09.06.2020 um 19:36 schrieb Eli Friedman <efriedma at quicinc.com>:
>
> Blindly guessing here,