04b944e230
The only interesting test change is in @PR31262, where the following fold is now performed, while it previously was not: https://alive2.llvm.org/ce/z/a5Qmr6 llvm/test/Transforms/InstSimplify/ConstProp/gep.ll has not been updated, because there is a tradeoff between folding and inrange preservation there that we may want to discuss. Updates have been performed using: https://gist.github.com/nikic/98357b71fd67756b0f064c9517b62a34
20 lines
647 B
LLVM
20 lines
647 B
LLVM
; RUN: opt < %s -passes=instsimplify -S | FileCheck %s
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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-f80:32:32-n8:16:32"
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target triple = "i386-unknown-linux-gnu"
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@a = external global i8
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@c1 = constant [3 x i32] [i32 0, i32 0,
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i32 sub (i32 ptrtoint (ptr @a to i32), i32 ptrtoint (ptr getelementptr ([3 x i32], ptr @c1, i32 0, i32 2) to i32))
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]
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; CHECK: @f1
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define ptr @f1() {
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; CHECK: ret ptr @a
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%l = call ptr @llvm.load.relative.i32(ptr getelementptr ([3 x i32], ptr @c1, i32 0, i32 2), i32 0)
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ret ptr %l
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}
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declare ptr @llvm.load.relative.i32(ptr, i32)
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